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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.413 by root, Sun Apr 6 16:13:20 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;
9	use Event;	30	use EV 3.2;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro 4.32 ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::EV;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
20	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
21		47
		48	use JSON::XS 2.01 ();
22	use BDB ();	49	use BDB ();
23	use Data::Dumper;	50	use Data::Dumper;
24	use Digest::MD5;	51	use Digest::MD5;
25	use Fcntl;	52	use Fcntl;
26	use YAML::Syck ();	53	use YAML ();
27	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
28	use Time::HiRes;	55	use Time::HiRes;
29	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
30		58
31	# configure various modules to our taste	59	# configure various modules to our taste
32	#	60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	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
35		64
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		66
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		68
45	our %COMMAND = ();	69	our %COMMAND = ();
46	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
47		71
48	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
52		77
53	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
54	our @EVENT;	79	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		80
57	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
58	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(!)
59	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	97	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		99
65	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	104	our $DB_ENV;
67		105
68	our %CFG;	106	our %CFG;
69		107
70	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
72		111
73	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		115
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $TICK_START; # for load detecting purposes
		123
85	binmode STDOUT;	124	binmode STDOUT;
86	binmode STDERR;	125	binmode STDERR;
87		126
88	# read virtual server time, if available	127	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
93	}	132	}
94		133
95	mkdir cf::localdir;	134	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		136
102	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
103		138
104	sub cf::map::normalise;	139	sub cf::map::normalise;
105		140
…		…
116	=item $cf::RUNTIME	151	=item $cf::RUNTIME
117		152
118	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
119	every server tick.	154	every server tick.
120		155
121	=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
122		159
123	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		164
126	=item $cf::NOW	165	=item $cf::NOW
127		166
128	The time of the last (current) server tick.	167	The time of the last (current) server tick.
129		168
130	=item $cf::TICK	169	=item $cf::TICK
131		170
132	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	183	=item %cf::CFG
135		184
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	186	from wherever your confdir points to.
138		187
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		189
141	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
142	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
143	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.
144	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.
145		199
146	=back	200	=back
147		201
148	=cut	202	=cut
149		203
150	BEGIN {	204	BEGIN {
151	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	206	my $msg = join "", @_;
153	utf8::encode $msg;
154		207
155	$msg .= "\n"	208	$msg .= "\n"
156	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
157		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
158	LOG llevError, $msg;	213	LOG llevError, $msg;
159	};	214	};
160	}	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#?
161		231
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		239
169	# 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
170	# within the Safe compartment.	241	# within the Safe compartment.
171	for my $pkg (qw(	242	for my $pkg (qw(
172	cf::global cf::attachable	243	cf::global cf::attachable
…		…
177	)) {	248	)) {
178	no strict 'refs';	249	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	251	}
181		252
182	$Event::DIED = sub {	253	$EV::DIED = sub {
183	warn "error in event callback: @_";	254	warn "error in event callback: @_";
184	};	255	};
		256
		257	#############################################################################
185		258
186	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
187		260
188	=over 4	261	=over 4
189		262
…		…
208	$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;
209	$d	282	$d
210	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
211	}	284	}
212		285
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
216		287
217	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
218		289
219	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
220		291
221	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
222		300
223	=item cf::lock_wait $string	301	=item cf::lock_wait $string
224		302
225	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
226		304
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
232	returned.	310	returned.
233		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
234	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
235	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
236		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
237	=cut	322	=cut
238		323
239	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
240		326
241	sub lock_wait($) {	327	sub lock_wait($) {
242	my ($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#
243		334
244	# wait for lock, if any	335	# wait for lock, if any
245	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	338	Coro::schedule;
…		…
253		344
254	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
255	lock_wait $key;	346	lock_wait $key;
256		347
257	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
258		350
259	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
262	}	355	}
263	}	356	}
264		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
265	sub freeze_mainloop {	364	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
267		366
268	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
269	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
270	};	428	}
271	$TICK_WATCHER->stop;	429	};
272	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
273	}	441	}
274		442
275	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
276		444
277	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		450
283	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
284		452
285	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
286		454
287	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
290		459
291	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
294	fast or be very important.	463	fast or be very important.
…		…
297		466
298	sub sync_job(&) {	467	sub sync_job(&) {
299	my ($job) = @_;	468	my ($job) = @_;
300		469
301	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
302	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
304		475
305	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	477
307	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
308		479
309	my $busy = 1;	480	my $busy = 1;
310	my @res;	481	my @res;
311		482
312	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	485	@res = eval { $job->() };
314	warn $@ if $@;	486	warn $@ if $@;
315	undef $busy;	487	undef $busy;
316	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
317		489
318	while ($busy) {	490	while ($busy) {
319	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
320	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
321		501
322	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
323	} else {	503	} else {
324	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
325		505
…		…
345	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
346		526
347	$coro	527	$coro
348	}	528	}
349		529
350	sub write_runtime {	530	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		531
353	my $runtime = cf::localdir . "/runtime";	532	Executes the given code block with the given arguments in a seperate
		533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
354		536
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
356	or return;
357		538
358	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		541
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
363	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
364		545
365	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	547	reset_signals;
367	and return;	548	&$cb
		549	}, @args;
368		550
369	close $fh	551	wantarray ? @res : $res[-1]
370	or return;	552	}
371		553
372	aio_rename "$runtime~", $runtime	554	=item $value = cf::db_get $family => $key
373	and return;
374		555
		556	Returns a single value from the environment database.
		557
		558	=item cf::db_put $family => $key => $value
		559
		560	Stores the given C<$value> in the family. It can currently store binary
		561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		562
		563	=item $db = cf::db_table "name"
		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
		568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
		586
		587	our $DB;
		588
		589	sub db_init {
		590	cf::sync_job {
		591	$DB ||= db_table "db";
		592	};
		593	}
		594
		595	sub db_get($$) {
		596	my $key = "$_[0]/$_[1]";
		597
		598	cf::sync_job {
		599	BDB::db_get $DB, undef, $key, my $data;
		600
		601	$! ? ()
		602	: $data
375	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		607	BDB::dbreq_pri 4;
		608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		609	}
		610
		611	=item cf::cache $id => [$paths...], $processversion => $process
		612
		613	Generic caching function that returns the value of the resource $id,
		614	caching and regenerating as required.
		615
		616	This function can block.
		617
		618	=cut
		619
		620	sub cache {
		621	my ($id, $src, $processversion, $process) = @_;
		622
		623	my $meta =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	aio_stat $_
		628	and Carp::croak "$_: $!";
		629
		630	($_, (stat _)[7,9])
		631	} @$src;
		632
		633	my $dbmeta = db_get cache => "$id/meta";
		634	if ($dbmeta ne $meta) {
		635	# changed, we may need to process
		636
		637	my @data;
		638	my $md5;
		639
		640	for (0 .. $#$src) {
		641	0 <= aio_load $src->[$_], $data[$_]
		642	or Carp::croak "$src->[$_]: $!";
		643	}
		644
		645	# if processing is expensive, check
		646	# checksum first
		647	if (1) {
		648	$md5 =
		649	join "\x00",
		650	$processversion,
		651	map {
		652	cf::cede_to_tick;
		653	($src->[$_], Digest::MD5::md5_hex $data[$_])
		654	} 0.. $#$src;
		655
		656
		657	my $dbmd5 = db_get cache => "$id/md5";
		658	if ($dbmd5 eq $md5) {
		659	db_put cache => "$id/meta", $meta;
		660
		661	return db_get cache => "$id/data";
		662	}
		663	}
		664
		665	my $t1 = Time::HiRes::time;
		666	my $data = $process->(\@data);
		667	my $t2 = Time::HiRes::time;
		668
		669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		670
		671	db_put cache => "$id/data", $data;
		672	db_put cache => "$id/md5" , $md5;
		673	db_put cache => "$id/meta", $meta;
		674
		675	return $data;
		676	}
		677
		678	db_get cache => "$id/data"
376	}	679	}
377		680
378	=item cf::datalog type => key => value, ...	681	=item cf::datalog type => key => value, ...
379		682
380	Log a datalog packet of the given type with the given key-value pairs.	683	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
400		703
401	In the following description, CLASS can be any of C<global>, C<object>	704	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	706	Deliantra).
404		707
405	=over 4	708	=over 4
406		709
407	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
408		711
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	874	$registry = $CB_TYPE[$object_type] ||= [];
572		875
573	} elsif ($type eq "subtype") {	876	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	877	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	878	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	879	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		880
578	} elsif ($type eq "package") {	881	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	882	my $pkg = shift @arg;
580		883
581	while (my ($name, $id) = each %cb_id) {	884	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
611	}	914	}
612		915
613	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
614	} else {	917	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	919	}
617		920
618	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
619	}	922	}
620		923
…		…
622	if (ref $_[0]) {	925	if (ref $_[0]) {
623	_object_attach @_;	926	_object_attach @_;
624	} else {	927	} else {
625	_attach shift->_attach_registry, @_;	928	_attach shift->_attach_registry, @_;
626	}	929	}
		930	_recalc_want;
627	};	931	};
628		932
629	# all those should be optimised	933	# all those should be optimised
630	sub cf::attachable::detach {	934	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	938	delete $obj->{_attachment}{$name};
635	reattach ($obj);	939	reattach ($obj);
636	} else {	940	} else {
637	Carp::croak "cannot, currently, detach class attachments";	941	Carp::croak "cannot, currently, detach class attachments";
638	}	942	}
		943	_recalc_want;
639	};	944	};
640		945
641	sub cf::attachable::attached {	946	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	947	my ($obj, $name) = @_;
643		948
…		…
658	";	963	";
659	die if $@;	964	die if $@;
660	}	965	}
661		966
662	our $override;	967	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	968	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		969
665	sub override {	970	sub override {
666	$override = 1;	971	$override = 1;
667	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
668	}	973	}
669		974
670	sub do_invoke {	975	sub do_invoke {
671	my $event = shift;	976	my $event = shift;
672	my $callbacks = shift;	977	my $callbacks = shift;
673		978
674	@invoke_results = ();	979	@INVOKE_RESULTS = ();
675		980
676	local $override;	981	local $override;
677		982
678	for (@$callbacks) {	983	for (@$callbacks) {
679	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
688	}	993	}
689		994
690	0	995	0
691	}	996	}
692		997
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		999
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1001
697	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
698		1003
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1004	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1005	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1007
703	=back	1008	=back
704		1009
705	=cut	1010	=cut
706		1011
707	#############################################################################	1012	#############################################################################
708	# object support	1013	# object support
		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
		1048	sub _can_merge {
		1049	my ($ob1, $ob2) = @_;
		1050
		1051	++$SLOW_MERGES;#d#
		1052
		1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
		1055	}
709		1056
710	sub reattach {	1057	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1059	my ($obj) = @_;
713		1060
…		…
734	cf::attachable->attach (	1081	cf::attachable->attach (
735	prio => -1000000,	1082	prio => -1000000,
736	on_instantiate => sub {	1083	on_instantiate => sub {
737	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
738		1085
739	$data = from_json $data;	1086	$data = decode_json $data;
740		1087
741	for (@$data) {	1088	for (@$data) {
742	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
743		1090
744	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1107	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
762		1109
763	sync_job {	1110	sync_job {
764	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
767		1115
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1120	close $fh;
773		1121
774	if (@$objs) {	1122	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1128	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
782	}	1130	}
…		…
790	}	1138	}
791	} else {	1139	} else {
792	aio_unlink $filename;	1140	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
794	}	1142	}
795	}	1143	};
796	}	1144	}
797		1145
798	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
800		1148
…		…
812	or return;	1160	or return;
813		1161
814	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
816	or return;	1164	or return;
		1165
817	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
818	}	1168	}
819		1169
		1170	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
822	return ($data, $av);	1174	($data, $av)
823	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
824		1182
825	#############################################################################	1183	#############################################################################
826	# command handling &c	1184	# command handling &c
827		1185
828	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1200	}
843		1201
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1203
846	Register a callbackf ro execution when the client sends an extcmd packet.	1204	Register a callback for execution when the client sends an (synchronous)
		1205	extcmd packet. Ext commands will be processed in the order they are
		1206	received by the server, like other user commands. The first argument is
		1207	the logged-in player. Ext commands can only be processed after a player
		1208	has logged in successfully.
847		1209
848	If the callback returns something, it is sent back as if reply was being	1210	If the callback returns something, it is sent back as if reply was being
849	called.	1211	called.
850		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
851	=cut	1224	=cut
852		1225
853	sub register_extcmd {	1226	sub register_extcmd {
854	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
855		1228
856	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
857	}	1236	}
858		1237
859	cf::player->attach (	1238	cf::player->attach (
860	on_command => sub {	1239	on_command => sub {
861	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1249	cf::override;
871	},	1250	},
872	on_extcmd => sub {	1251	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
874		1253
875	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1255
877	if (ref $msg) {	1256	if (ref $msg) {
		1257	my ($type, $reply, @payload) =
		1258	"ARRAY" eq ref $msg
		1259	? @$msg
		1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1261
		1262	my @reply;
		1263
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
883	} else {	1271	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1273	}
886		1274
887	cf::override;	1275	cf::override;
888	},	1276	},
889	);	1277	);
890		1278
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
926	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1284	next unless -r $path;
928	eval {	1285
929	load_extension $ext;	1286	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1287	my $base = $1;
		1288	my $pkg = $1;
		1289	$pkg =~ s/[^[:word:]]/_/g;
		1290	$pkg = "ext::$pkg";
		1291
		1292	open my $fh, "<:utf8", $path
		1293	or die "$path: $!";
		1294
		1295	my $source = do { local $/; <$fh> };
		1296
		1297	my %ext = (
		1298	path => $path,
		1299	base => $base,
		1300	pkg => $pkg,
		1301	);
		1302
		1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1305
		1306	$ext{source} =
		1307	"package $pkg; use strict; use utf8;\n"
		1308	. "#line 1 \"$path\"\n{\n"
		1309	. $source
		1310	. "\n};\n1";
		1311
		1312	$todo{$base} = \%ext;
		1313	}
		1314
		1315	my %done;
		1316	while (%todo) {
		1317	my $progress;
		1318
		1319	while (my ($k, $v) = each %todo) {
		1320	for (split /,\s*/, $v->{meta}{depends}) {
		1321	goto skip
		1322	unless exists $done{$_};
		1323	}
		1324
		1325	warn "... loading '$k' into '$v->{pkg}'\n";
		1326
		1327	unless (eval $v->{source}) {
		1328	my $msg = $@ ? "$v->{path}: $@\n"
		1329	: "$v->{base}: extension inactive.\n";
		1330
		1331	if (exists $v->{meta}{mandatory}) {
		1332	warn $msg;
		1333	cf::cleanup "mandatory extension failed to load, exiting.";
		1334	}
		1335
		1336	warn $msg;
		1337	}
		1338
		1339	$done{$k} = delete $todo{$k};
		1340	push @EXTS, $v->{pkg};
		1341	$progress = 1;
930	1	1342	}
931	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
932	}	1348	};
933	}	1349	}
934		1350
935	#############################################################################	1351	#############################################################################
936		1352
		1353	=back
		1354
937	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
938		1356
939	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
940		1358
941	=cut	1359	=cut
…		…
946		1364
947	=head3 cf::player	1365	=head3 cf::player
948		1366
949	=over 4	1367	=over 4
950		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
		1382
951	=item cf::player::find $login	1383	=item cf::player::find $login
952		1384
953	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
954		1386
955	=cut	1387	=cut
956		1388
957	sub playerdir($) {	1389	sub playerdir($) {
958	cf::localdir	1390	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1391	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1392	}
964		1393
965	sub path($) {	1394	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1395	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
997		1426
998	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
999	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
1000	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1001	}	1435	}
1002	}	1436	}
1003	}	1437	}
1004		1438
…		…
1014		1448
1015	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1017		1451
1018	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1019	Coro::cede;	1453	cf::cede_to_tick;
1020	}	1454	}
1021		1455
1022	sub new($) {	1456	sub new($) {
1023	my ($login) = @_;	1457	my ($login) = @_;
1024		1458
…		…
1028	$self->{deny_save} = 1;	1462	$self->{deny_save} = 1;
1029		1463
1030	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1031		1465
1032	$self	1466	$self
		1467	}
		1468
		1469	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1470
		1471	=cut
		1472
		1473	sub send_msg {
		1474	my $ns = shift->ns
		1475	or return;
		1476	$ns->send_msg (@_);
1033	}	1477	}
1034		1478
1035	=item $pl->quit_character	1479	=item $pl->quit_character
1036		1480
1037	Nukes the player without looking back. If logged in, the connection will	1481	Nukes the player without looking back. If logged in, the connection will
…		…
1086	while and may block, so not sync_job-capable, ever.	1530	while and may block, so not sync_job-capable, ever.
1087		1531
1088	=cut	1532	=cut
1089		1533
1090	sub list_logins {	1534	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1535	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1536	or return [];
1093		1537
1094	my @logins;	1538	my @logins;
1095		1539
1096	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1100		1549
1101	utf8::decode $login;	1550	utf8::decode $login;
1102	push @logins, $login;	1551	push @logins, $login;
1103	}	1552	}
1104		1553
…		…
1131	}	1580	}
1132		1581
1133	\@paths	1582	\@paths
1134	}	1583	}
1135		1584
		1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1586
		1587	Expand crossfire pod fragments into protocol xml.
		1588
		1589	=cut
		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
		1602	sub expand_cfpod {
		1603	my ($self, $pod) = @_;
		1604
		1605	my $xml;
		1606
		1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
		1610
		1611	$group =~ s/&/&amp;/g;
		1612	$group =~ s/</&lt;/g;
		1613
		1614	$xml .= $group;
		1615	} elsif ($pod =~ m%\G
		1616	([BCGHITU])
		1617	<
		1618	(?:
		1619	([^<>]*) (?{ $group = $^N })
		1620	| < $interior >
		1621	)
		1622	>
		1623	%gcsx
		1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
		1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1644	"")
		1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
		1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
		1656
		1657	for ($xml) {
		1658	# create single paragraphs (very hackish)
		1659	s/(?<=\S)\n(?=\w)/ /g;
		1660
		1661	# compress some whitespace
		1662	s/\s+\n/\n/g; # ws line-ends
		1663	s/\n\n+/\n/g; # double lines
		1664	s/^\n+//; # beginning lines
		1665	s/\n+$//; # ending lines
		1666	}
		1667
		1668	$xml
		1669	}
		1670
		1671	no re 'eval';
		1672
		1673	sub hintmode {
		1674	$_[0]{hintmode} = $_[1] if @_ > 1;
		1675	$_[0]{hintmode}
		1676	}
		1677
1136	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1137		1679
1138	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1139		1681
1140	=cut	1682	=cut
1141		1683
1142	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1144		1686
1145	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1688	}
1149		1689
1150	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1151		1691
1152	Sends an ext event to the client.	1692	Sends an ext event to the client.
1153		1693
1154	=cut	1694	=cut
1155		1695
1156	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1158		1698
1159	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1160	}	1700	}
1161		1701
1162	package cf;	1702	=head3 cf::region
		1703
		1704	=over 4
		1705
		1706	=cut
		1707
		1708	package cf::region;
		1709
		1710	=item cf::region::find_by_path $path
		1711
		1712	Tries to decuce the likely region for a map knowing only its path.
		1713
		1714	=cut
		1715
		1716	sub find_by_path($) {
		1717	my ($path) = @_;
		1718
		1719	my ($match, $specificity);
		1720
		1721	for my $region (list) {
		1722	if ($region->{match} && $path =~ $region->{match}) {
		1723	($match, $specificity) = ($region, $region->specificity)
		1724	if $region->specificity > $specificity;
		1725	}
		1726	}
		1727
		1728	$match
		1729	}
1163		1730
1164	=back	1731	=back
1165
1166		1732
1167	=head3 cf::map	1733	=head3 cf::map
1168		1734
1169	=over 4	1735	=over 4
1170		1736
…		…
1225	my ($self, $merge) = @_;	1791	my ($self, $merge) = @_;
1226		1792
1227	# we have to keep some variables in memory intact	1793	# we have to keep some variables in memory intact
1228	local $self->{path};	1794	local $self->{path};
1229	local $self->{load_path};	1795	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1796
1233	$self->SUPER::thawer_merge ($merge);	1797	$self->SUPER::thawer_merge ($merge);
1234	}	1798	}
1235		1799
1236	sub normalise {	1800	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1284	return $self;	1848	return $self;
1285	}	1849	}
1286	}	1850	}
1287		1851
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1853	()
1290	}	1854	}
1291		1855
1292	sub init {	1856	sub init {
1293	my ($self) = @_;	1857	my ($self) = @_;
…		…
1308		1872
1309	# the original (read-only) location	1873	# the original (read-only) location
1310	sub load_path {	1874	sub load_path {
1311	my ($self) = @_;	1875	my ($self) = @_;
1312		1876
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1877	"$MAPDIR/$self->{path}.map"
1314	}	1878	}
1315		1879
1316	# the temporary/swap location	1880	# the temporary/swap location
1317	sub save_path {	1881	sub save_path {
1318	my ($self) = @_;	1882	my ($self) = @_;
1319		1883
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1885	"$TMPDIR/$path.map"
1322	}	1886	}
1323		1887
1324	# the unique path, undef == no special unique path	1888	# the unique path, undef == no special unique path
1325	sub uniq_path {	1889	sub uniq_path {
1326	my ($self) = @_;	1890	my ($self) = @_;
1327		1891
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1893	"$UNIQUEDIR/$path"
1330	}	1894	}
1331		1895
1332	# and all this just because we cannot iterate over	1896	# and all this just because we cannot iterate over
1333	# all maps in C++...	1897	# all maps in C++...
1334	sub change_all_map_light {	1898	sub change_all_map_light {
…		…
1336		1900
1337	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1339	}	1903	}
1340		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
1341	sub unlink_save {	1913	sub unlink_save {
1342	my ($self) = @_;	1914	my ($self) = @_;
1343		1915
1344	utf8::encode (my $save = $self->save_path);	1916	utf8::encode (my $save = $self->save_path);
1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1348		1920
1349	sub load_header_from($) {	1921	sub load_header_from($) {
1350	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1351		1923
1352	utf8::encode $path;	1924	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1358		1933
1359	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1360		1935
1361	1	1936	1
1362	}	1937	}
…		…
1401	$self->load_header_orig	1976	$self->load_header_orig
1402	or return;	1977	or return;
1403	$self->prepare_orig;	1978	$self->prepare_orig;
1404	}	1979	}
1405		1980
		1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
		1983
		1984	$self->default_region (cf::region::find_by_path $self->{path})
		1985	unless $self->default_region;
		1986
1406	1	1987	1
1407	}	1988	}
1408		1989
1409	sub find;	1990	sub find;
1410	sub find {	1991	sub find {
1411	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1412		1993
1413	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1414		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1416		1998
1417	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2002
1419	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1420	or return;	2004	or return;
1421		2005
1422	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1423		2007
1424	$map->load_header	2008	$map->load_header
1425	or return;	2009	or return;
1426		2010
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1430	$map->reset;	2016	$map->reset;
1431	undef $guard;
1432	return find $path;	2017	return find $path;
1433	}	2018	}
1434		2019
1435	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1436	}	2021	}
…		…
1443	my ($self) = @_;	2028	my ($self) = @_;
1444		2029
1445	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1446		2031
1447	my $path = $self->{path};	2032	my $path = $self->{path};
		2033
		2034	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1449		2036
		2037	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2039
1452	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1453		2041
1454	$self->alloc;	2042	$self->alloc;
1455		2043
1456	$self->pre_load;	2044	$self->pre_load;
		2045	cf::cede_to_tick;
1457		2046
1458	$self->_load_objects ($self->{load_path}, 1)	2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
		2049	$self->_load_objects ($f)
1459	or return;	2050	or return;
1460		2051
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462	if delete $self->{load_original};	2053	if delete $self->{load_original};
1463		2054
1464	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2056	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2059	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1469	}	2063	}
1470	}	2064	}
1471		2065
1472	Coro::cede;	2066	$f->resolve_delayed_derefs;
1473		2067
		2068	cf::cede_to_tick;
1474	# now do the right thing for maps	2069	# now do the right thing for maps
1475	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2072	unless $self->difficulty;
1485	Coro::cede;	2073	cf::cede_to_tick;
		2074
		2075	unless ($self->{deny_activate}) {
		2076	$self->decay_objects;
		2077	$self->fix_auto_apply;
		2078	$self->update_buttons;
		2079	cf::cede_to_tick;
		2080	$self->set_darkness_map;
		2081	cf::cede_to_tick;
1486	$self->activate;	2082	$self->activate;
		2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
		2087
		2088	$self->in_memory (cf::MAP_IN_MEMORY);
1487	}	2089	}
1488		2090
1489	$self->post_load;	2091	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2092	}
1493		2093
1494	sub customise_for {	2094	sub customise_for {
1495	my ($self, $ob) = @_;	2095	my ($self, $ob) = @_;
1496		2096
1497	return find "~" . $ob->name . "/" . $self->{path}	2097	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2098	if $self->per_player;
1499		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
1500	$self	2103	$self
1501	}	2104	}
1502		2105
1503	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2107	sub load_neighbours {
1505	my ($map) = @_;	2108	my ($map) = @_;
1506		2109
1507	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1508		2111
1509	for (0 .. 3) {	2112	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1511	or next;	2114	or next;
1512	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1513	or next;	2116	or next;
1514	$neigh->load;	2117	$neigh->load;
1515		2118
		2119	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2122	}
1519		2123
1520	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1522	or next;	2127	or next;
1523	$neigh->load;	2128	$neigh->load;
1524	}	2129	}
1525	}	2130	}
1526		2131
…		…
1531	}	2136	}
1532		2137
1533	sub do_load_sync {	2138	sub do_load_sync {
1534	my ($map) = @_;	2139	my ($map) = @_;
1535		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1536	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1537	}	2145	}
1538		2146
1539	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1541		2149
1542	sub find_async {	2150	sub find_async {
1543	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1544		2152
1545	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1546		2154
1547	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1549	}	2157	}
1550		2158
1551	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1552	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1553	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2166	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2167	$map->load if $v;
		2168	}
1558		2169
1559	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1560	}	2171	}
1561	}	2172	}
1562	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1563	};	2174	};
1564	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2178	}
1568		2179
1569	sub save {	2180	sub save {
1570	my ($self) = @_;	2181	my ($self) = @_;
1571		2182
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2184
1574	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1575		2186
1576	return unless $self->dirty;	2187	return unless $self->dirty;
1577		2188
…		…
1583	return if $self->{deny_save};	2194	return if $self->{deny_save};
1584		2195
1585	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1586		2197
1587	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1589	};	2201	};
1590		2202
1591	if ($uniq) {	2203	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1600	my ($self) = @_;	2212	my ($self) = @_;
1601		2213
1602	# save first because save cedes	2214	# save first because save cedes
1603	$self->save;	2215	$self->save;
1604		2216
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2218
1607	return if $self->players;	2219	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1609	return if $self->{deny_save};	2221	return if $self->{deny_save};
1610		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2227	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2228	}
1614		2229
1615	sub reset_at {	2230	sub reset_at {
1616	my ($self) = @_;	2231	my ($self) = @_;
1617		2232
1618	# TODO: safety, remove and allow resettable per-player maps	2233	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2234	return 1e99 if $self->{deny_reset};
1621		2235
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2238
…		…
1635	my ($self) = @_;	2249	my ($self) = @_;
1636		2250
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2252
1639	return if $self->players;	2253	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2254
1642	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
1643		2256
1644	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->in_memory (cf::MAP_SWAPPED);
1645		2258
1646	# need to save uniques path	2259	# need to save uniques path
1647	unless ($self->{deny_save}) {	2260	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2264	if $uniq;
1652	}	2265	}
1653		2266
1654	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1655		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2271	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2272
1660	$self->unlink_save;	2273	$self->unlink_save;
1661	$self->destroy;	2274	$self->destroy;
1662	}	2275	}
1663		2276
1664	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1665		2278
1666	sub nuke {	2279	sub nuke {
1667	my ($self) = @_;	2280	my ($self) = @_;
1668		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1669	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1670		2286
1671	$self->unlink_save;	2287	$self->unlink_save;
1672		2288
1673	bless $self, "cf::map";	2289	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2294
1679	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1680		2297
1681	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
		2299	}
		2300
		2301	=item $maps = cf::map::tmp_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	maps. May block.
		2305
		2306	=cut
		2307
		2308	sub tmp_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise $_
		2314	: ()
		2315	} @{ aio_readdir $TMPDIR or [] }
		2316	]
		2317	}
		2318
		2319	=item $maps = cf::map::random_maps
		2320
		2321	Returns an arrayref with all map paths of currently instantiated and saved
		2322	random maps. May block.
		2323
		2324	=cut
		2325
		2326	sub random_maps() {
		2327	[
		2328	map {
		2329	utf8::decode $_;
		2330	/\.map$/
		2331	? normalise "?random/$_"
		2332	: ()
		2333	} @{ aio_readdir $RANDOMDIR or [] }
		2334	]
1682	}	2335	}
1683		2336
1684	=item cf::map::unique_maps	2337	=item cf::map::unique_maps
1685		2338
1686	Returns an arrayref of paths of all shared maps that have	2339	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2340	instantiated unique items. May block.
1688		2341
1689	=cut	2342	=cut
1690		2343
1691	sub unique_maps() {	2344	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2345	[
1693	or return;	2346	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2347	utf8::decode $_;
1699	next if /\.pst$/;	2348	/\.map$/
1700	next unless /^$PATH_SEP/o;	2349	? normalise $_
1701		2350	: ()
1702	push @paths, cf::map::normalise $_;	2351	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2352	]
1704
1705	\@paths
1706	}	2353	}
1707		2354
1708	package cf;	2355	package cf;
1709		2356
1710	=back	2357	=back
…		…
1728	map { $_, inv_recursive_ $_->inv } @_	2375	map { $_, inv_recursive_ $_->inv } @_
1729	}	2376	}
1730		2377
1731	sub inv_recursive {	2378	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
		2380	}
		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
1733	}	2408	}
1734		2409
1735	package cf;	2410	package cf;
1736		2411
1737	=back	2412	=back
…		…
1756		2431
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2433
1759	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1761	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1764	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1765	}	2459	}
1766		2460
1767	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1768		2462
1769	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1816	$self->deactivate_recursive;	2510	$self->deactivate_recursive;
1817		2511
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2513
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1822		2516
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2518	}
1825		2519
1826	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1828		2524
1829	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1830		2526
1831	unless ($map) {	2527	unless ($map) {
1832	# restore original map position	2528	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1849		2545
1850	$map->load;	2546	$map->load;
1851	$map->load_diag;	2547	$map->load_neighbours;
1852		2548
1853	return unless $self->contr->active;	2549	return unless $self->contr->active;
1854	$self->activate_recursive;	2550	$self->activate_recursive;
1855		2551
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1858	}	2554	}
1859		2555
1860	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2557
1864	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1868	};	2562	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2563
1874	# try to abort aborted map switching on player login :)
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2564	=cut
		2565
		2566	our $GOTOGEN;
1895		2567
1896	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
		2570
		2571	# do generation counting so two concurrent goto's will be executed in-order
		2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2573
1899	$self->enter_link;	2574	$self->enter_link;
1900		2575
1901	(async {	2576	(async {
		2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
1902	my $map = eval {	2598	my $map = eval {
1903	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2602	$map = $map->customise_for ($self);
		2603	$map = $check->($map) if $check && $map;
		2604	} else {
		2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	}
		2607
1905	$map	2608	$map
		2609	};
		2610
		2611	if ($@) {
		2612	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2614	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1910	})->prio (1);	2622	})->prio (1);
1911	}	2623	}
1912		2624
1913	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
1914		2626
…		…
1951	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
1952	}	2664	}
1953		2665
1954	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
1955		2667
1956	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
1957	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
1959		2671
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2674	undef $fh;
1963	aio_rename "$meta~", $meta;	2675	aio_rename "$meta~", $meta;
…		…
1983	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
1985		2697
1986	$self->enter_link;	2698	$self->enter_link;
1987		2699
		2700	# if exit is damned, update players death & WoR home-position
		2701	$self->contr->savebed ($slaying, $hp, $sp)
		2702	if $exit->flag (FLAG_DAMNED);
		2703
1988	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
1989	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2708	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
1992		2710
1993	1;	2711	1;
…		…
2019		2737
2020	utf8::encode $text;	2738	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2740	}
2023		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg);
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2839	} else {
		2840	if ($color >= 0) {
		2841	# replace some tags by gcfclient-compatible ones
		2842	for ($msg) {
		2843	1 while
		2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2849	}
		2850
		2851	$color &= cf::NDI_COLOR_MASK;
		2852
		2853	utf8::encode $msg;
		2854
		2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
		2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2858	} else {
		2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2860	$self->send_packet ("drawinfo $color $msg")
		2861	}
		2862	}
		2863	}
		2864	}
		2865
2024	=item $client->ext_event ($type, %msg)	2866	=item $client->ext_msg ($type, @msg)
2025		2867
2026	Sends an exti event to the client.	2868	Sends an ext event to the client.
2027		2869
2028	=cut	2870	=cut
2029		2871
2030	sub cf::client::ext_event($$%) {	2872	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2873	my ($self, $type, @msg) = @_;
2032		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2878	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
		2882
		2883	=item $client->ext_reply ($msgid, @msg)
		2884
		2885	Sends an ext reply to the client.
		2886
		2887	=cut
		2888
		2889	sub cf::client::ext_reply($$@) {
		2890	my ($self, $id, @msg) = @_;
		2891
		2892	if ($self->extcmd == 2) {
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2894	} elsif ($self->extcmd == 1) {
		2895	#TODO: version 1, remove
		2896	unshift @msg, msgtype => "reply", msgid => $id;
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2898	}
2035	}	2899	}
2036		2900
2037	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2038		2902
2039	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2906
2043	Queries can fail, so check the return code. Or don't, as queries will become	2907	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2908	become reliable at some point in the future.
2045		2909
2046	=cut	2910	=cut
2047		2911
2048	sub cf::client::query {	2912	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2921	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2923
2060	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2062	}	2928	}
2063		2929
2064	cf::client->attach (	2930	cf::client->attach (
		2931	on_connect => sub {
		2932	my ($ns) = @_;
		2933
		2934	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2935	},
2065	on_reply => sub {	2936	on_reply => sub {
2066	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2067		2938
2068	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2069	# get handled first	2940	# get handled first
…		…
2081	} else {	2952	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2954	}
2084	}	2955	}
2085	},	2956	},
		2957	on_exticmd => sub {
		2958	my ($ns, $buf) = @_;
		2959
		2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2961
		2962	if (ref $msg) {
		2963	my ($type, $reply, @payload) =
		2964	"ARRAY" eq ref $msg
		2965	? @$msg
		2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2967
		2968	my @reply;
		2969
		2970	if (my $cb = $EXTICMD{$type}) {
		2971	@reply = $cb->($ns, @payload);
		2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
		2977	} else {
		2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2979	}
		2980
		2981	cf::override;
		2982	},
2086	);	2983	);
2087		2984
2088	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2089		2986
2090	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2133		3030
2134	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2135		3032
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3033	$safe->permit_only (Opcode::opset qw(
		3034	:base_core :base_mem :base_orig :base_math
		3035	grepstart grepwhile mapstart mapwhile
		3036	sort time
		3037	));
2137		3038
2138	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2139		3040
2140	=pod	3041	=pod
2141		3042
2142	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2143		3044
2144	cf::object contr pay_amount pay_player map	3045	cf::object
		3046	contr pay_amount pay_player map x y force_find force_add destroy
		3047	insert remove name archname title slaying race decrease_ob_nr
		3048
2145	cf::object::player player	3049	cf::object::player
2146	cf::player peaceful	3050	player
2147	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2148		3057
2149	=cut	3058	=cut
2150		3059
2151	for (	3060	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3062	insert remove inv name archname title slaying race
		3063	decrease_ob_nr destroy)],
2153	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2156	) {	3067	) {
2157	no strict 'refs';	3068	no strict 'refs';
…		…
2228	=back	3139	=back
2229		3140
2230	=cut	3141	=cut
2231		3142
2232	#############################################################################	3143	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	3144	# the server's init and main functions
2306		3145
2307	sub load_facedata {	3146	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3147	my ($path) = @_;
		3148
		3149	# HACK to clear player env face cache, we need some signal framework
		3150	# for this (global event?)
		3151	%ext::player_env::MUSIC_FACE_CACHE = ();
		3152
		3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3154
2310	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2311		3156
2312	my $facedata;	3157	my $facedata;
2313	0 < aio_load $path, $facedata	3158	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3159	or die "$path: $!";
2315		3160
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	3161	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3162
2320	$facedata->{version} == 2	3163	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3165
		3166	# patch in the exptable
		3167	$facedata->{resource}{"res/exp_table"} = {
		3168	type => FT_RSRC,
		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3170	};
		3171	cf::cede_to_tick;
		3172
2323	{	3173	{
2324	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2325		3175
2326	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3183
		3184	cf::cede_to_tick;
2332	}	3185	}
2333		3186
2334	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2336	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2337	or next;	3191	or next;
		3192
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3196	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3198	}
2343	Coro::cede;	3199
		3200	cf::cede_to_tick;
2344	}	3201	}
2345	}	3202	}
2346		3203
2347	{	3204	{
2348	my $anims = $facedata->{animinfo};	3205	my $anims = $facedata->{animinfo};
2349		3206
2350	while (my ($anim, $info) = each %$anims) {	3207	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3209	cf::cede_to_tick;
2353	}	3210	}
2354		3211
2355	cf::anim::invalidate_all; # d'oh	3212	cf::anim::invalidate_all; # d'oh
2356	}	3213	}
2357		3214
		3215	{
		3216	# TODO: for gcfclient pleasure, we should give resources
		3217	# that gcfclient doesn't grok a >10000 face index.
		3218	my $res = $facedata->{resource};
		3219
		3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
		3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3223	my $data;
		3224
		3225	if ($info->{type} & 1) {
		3226	# prepend meta info
		3227
		3228	my $meta = $enc->encode ({
		3229	name => $name,
		3230	%{ $info->{meta} || {} },
		3231	});
		3232
		3233	$data = pack "(w/a*)*", $meta, $info->{data};
		3234	} else {
		3235	$data = $info->{data};
		3236	}
		3237
		3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
		3240	} else {
		3241	$RESOURCE{$name} = $info;
		3242	}
		3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3249
2358	1	3250	1
2359	}	3251	}
2360		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
		3272
		3273	register_exticmd fx_want => sub {
		3274	my ($ns, $want) = @_;
		3275
		3276	while (my ($k, $v) = each %$want) {
		3277	$ns->fx_want ($k, $v);
		3278	}
		3279	};
		3280
		3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
		3286	load_resource_file "$MAPDIR/regions"
		3287	or die "unable to load regions file\n";
		3288
		3289	for (cf::region::list) {
		3290	$_->{match} = qr/$_->{match}/
		3291	if exists $_->{match};
		3292	}
		3293	}
		3294
		3295	sub reload_facedata {
		3296	load_facedata "$DATADIR/facedata"
		3297	or die "unable to load facedata\n";
		3298	}
		3299
		3300	sub reload_archetypes {
		3301	load_resource_file "$DATADIR/archetypes"
		3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
		3306	load_resource_file "$DATADIR/archetypes"
		3307	or die "unable to load archetypes\n";
		3308	}
		3309
		3310	sub reload_treasures {
		3311	load_resource_file "$DATADIR/treasures"
		3312	or die "unable to load treasurelists\n";
		3313	}
		3314
2361	sub reload_resources {	3315	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3316	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3317
		3318	reload_regions;
2364	load_facedata	3319	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3320	#reload_archetypes;#d#
		3321	reload_archetypes;
		3322	reload_treasures;
		3323
		3324	warn "finished reloading resource files\n";
2366	}	3325	}
2367		3326
2368	sub init {	3327	sub init {
2369	reload_resources;	3328	reload_resources;
2370	}	3329	}
2371		3330
2372	sub cfg_load {	3331	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3333	or return;
2375		3334
2376	local $/;	3335	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2378		3337
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3339
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2393	sub main {	3352	sub main {
2394	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3356	(async {
2398	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2400	};	3360	};
2401		3361
2402	cfg_load;	3362	reload_config;
2403	db_init;	3363	db_init;
2404	load_extensions;	3364	load_extensions;
2405		3365
2406	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2407	Event::loop;	3368	EV::loop;
2408	}	3369	}
2409		3370
2410	#############################################################################	3371	#############################################################################
2411	# initialisation and cleanup	3372	# initialisation and cleanup
2412		3373
2413	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2414	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2423	},
2424	);	3380	};
		3381	}
		3382	}
		3383
		3384	sub write_runtime {
		3385	my $runtime = "$LOCALDIR/runtime";
		3386
		3387	# first touch the runtime file to show we are still running:
		3388	# the fsync below can take a very very long time.
		3389
		3390	IO::AIO::aio_utime $runtime, undef, undef;
		3391
		3392	my $guard = cf::lock_acquire "write_runtime";
		3393
		3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3395	or return;
		3396
		3397	my $value = $cf::RUNTIME + 90 + 10;
		3398	# 10 is the runtime save interval, for a monotonic clock
		3399	# 60 allows for the watchdog to kill the server.
		3400
		3401	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3402	and return;
		3403
		3404	# always fsync - this file is important
		3405	aio_fsync $fh
		3406	and return;
		3407
		3408	# touch it again to show we are up-to-date
		3409	aio_utime $fh, undef, undef;
		3410
		3411	close $fh
		3412	or return;
		3413
		3414	aio_rename "$runtime~", $runtime
		3415	and return;
		3416
		3417	warn "runtime file written.\n";
		3418
2425	}	3419	1
2426	}	3420	}
2427		3421
2428	sub emergency_save() {	3422	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2430		3424
…		…
2436	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3436	$pl->save;
2442	}	3437	}
2443	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2444		3439
2445	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2463		3458
2464	warn Carp::longmess "post_cleanup backtrace"	3459	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3460	if $make_core;
2466	}	3461	}
2467		3462
2468	sub reload() {	3463	sub do_reload_perl() {
2469	# can/must only be called in main	3464	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3465	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3466	warn "can only reload from main coroutine";
2472	return;	3467	return;
2473	}	3468	}
…		…
2484	warn "syncing database to disk";	3479	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3481
2487	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
2488		3483
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2495	for (;;) {	3485	for (;;) {
2496	BDB::flush;	3486	BDB::flush;
2497	IO::AIO::flush;	3487	IO::AIO::flush;
2498	Coro::cede;	3488	Coro::cede_notself;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";	3490	warn "iterate...";
2501	}	3491	}
2502		3492
2503	++$RELOAD;	3493	++$RELOAD;
…		…
2507	%EXT_CORO = ();	3497	%EXT_CORO = ();
2508		3498
2509	warn "removing commands";	3499	warn "removing commands";
2510	%COMMAND = ();	3500	%COMMAND = ();
2511		3501
2512	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2514		3505
2515	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2518		3509
…		…
2548	Symbol::delete_package "safe::$_"	3539	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3541
2551	warn "unloading cf.pm \"a bit\"";	3542	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3543	delete $INC{"cf.pm"};
		3544	delete $INC{"cf/pod.pm"};
2553		3545
2554	# don't, removes xs symbols, too,	3546	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3547	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3548	#Symbol::delete_package __PACKAGE__;
2557		3549
…		…
2560	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2561	require cf;	3553	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3555
2564	warn "loading config and database again";	3556	warn "loading config and database again";
2565	cf::cfg_load;	3557	cf::reload_config;
2566		3558
2567	warn "loading extensions";	3559	warn "loading extensions";
2568	cf::load_extensions;	3560	cf::load_extensions;
2569		3561
2570	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3564	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3565	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3566	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3567	reattach $_ for values %PLAYER;
2576		3568
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3569	warn "leaving sync_job";
2581		3570
2582	1	3571	1
2583	} or do {	3572	} or do {
2584	warn $@;	3573	warn $@;
2585	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
2586	exit 1;
2587	};	3575	};
2588		3576
2589	warn "reloaded";	3577	warn "reloaded";
2590	};	3578	};
2591		3579
2592	our $RELOAD_WATCHER; # used only during reload	3580	our $RELOAD_WATCHER; # used only during reload
2593		3581
		3582	sub reload_perl() {
		3583	# doing reload synchronously and two reloads happen back-to-back,
		3584	# coro crashes during coro_state_free->destroy here.
		3585
		3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3587	do_reload_perl;
		3588	undef $RELOAD_WATCHER;
		3589	};
		3590	}
		3591
2594	register_command "reload" => sub {	3592	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2596		3594
2597	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
2599		3597	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3598	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3599	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3600	};
2612	}	3601	}
2613	};	3602	};
2614		3603
2615	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2616		3605
2617	my $bug_warning = 0;	3606	my $bug_warning = 0;
2618		3607
2619	$TICK_WATCHER = Event->timer (	3608	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3609	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3610
2622	prio => 0,	3611	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3612	return if tick_inhibit;
2624	data => WF_AUTOCANCEL,	3613	return if $Coro::current == $Coro::main;
2625	cb => sub {	3614
		3615	my $signal = new Coro::Signal;
		3616	push @WAIT_FOR_TICK, $signal;
		3617	$signal->wait;
		3618	}
		3619
		3620	sub wait_for_tick_begin {
		3621	return if tick_inhibit;
		3622	return if $Coro::current == $Coro::main;
		3623
		3624	my $signal = new Coro::Signal;
		3625	push @WAIT_FOR_TICK_BEGIN, $signal;
		3626	$signal->wait;
		3627	}
		3628
		3629	sub tick {
2626	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
2629	return;	3633	return;
2630	}	3634	}
2631		3635
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3637
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3640	Coro::async_pool {
		3641	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3642	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3643	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3644	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3645	}
2658	);	3646
		3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3648	$sig->send;
		3649	}
		3650	while (my $sig = shift @WAIT_FOR_TICK) {
		3651	$sig->send;
		3652	}
		3653
		3654	$LOAD = ($NOW - $TICK_START) / $TICK;
		3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3656
		3657	if (0) {
		3658	if ($NEXT_TICK) {
		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
		3663	}
		3664	}
2659		3665
2660	{	3666	{
2661	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3668
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
2671		3670	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3672
2687	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3679
2690	cf::sync_job {	3680	cf::sync_job {
2691	eval {	3681	eval {
2692	BDB::db_env_open	3682	BDB::db_env_open
2693	$DB_ENV,	3683	$DB_ENV,
2694	$BDB_ENV_DIR,	3684	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3687	0666;
2698		3688
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3690	};
2704		3691
2705	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3693	};
2707	}	3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
2708	}	3705	}
2709		3706
2710	{	3707	{
		3708	# configure IO::AIO
		3709
2711	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3713	}
		3714
		3715	my $_log_backtrace;
		3716
		3717	sub _log_backtrace {
		3718	my ($msg, @addr) = @_;
		3719
		3720	$msg =~ s/\n//;
		3721
		3722	# limit the # of concurrent backtraces
		3723	if ($_log_backtrace < 2) {
		3724	++$_log_backtrace;
		3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
		3728	my @bt = fork_call {
		3729	@addr = map { sprintf "%x", $_ } @addr;
		3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3732	or die "addr2line: $!";
		3733
		3734	my @funcs;
		3735	my @res = <$fh>;
		3736	chomp for @res;
		3737	while (@res) {
		3738	my ($func, $line) = splice @res, 0, 2, ();
		3739	push @funcs, "[$func] $line";
		3740	}
		3741
		3742	@funcs
		3743	};
		3744
		3745	LOG llevInfo, "[ABT] $msg\n";
		3746	LOG llevInfo, "[ABT] $_\n" for @bt;
		3747	--$_log_backtrace;
		3748	};
		3749	} else {
		3750	LOG llevInfo, "[ABT] $msg\n";
		3751	LOG llevInfo, "[ABT] [suppressed]\n";
		3752	}
		3753	}
		3754
		3755	# load additional modules
		3756	use cf::pod;
2724		3757
2725	END { cf::emergency_save }	3758	END { cf::emergency_save }
2726		3759
2727	1	3760	1
2728		3761

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