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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC vs.
Revision 1.416 by root, Fri Apr 11 13:59:06 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 4.50 ();
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;
		53	use YAML ();
26	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
27	use YAML::Syck ();
28	use Time::HiRes;	55	use Time::HiRes;
29	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
30		58
		59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
31	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
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is	64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
34		66
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		68
42	our %COMMAND = ();	69	our %COMMAND = ();
43	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
44		71
45	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
49		77
50	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
51	our @EVENT;	79	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		80
54	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
55	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(!)
56	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	97	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		99
62	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	104	our $DB_ENV;
64		105
65	our %CFG;	106	our %CFG;
66		107
67	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
69		111
70	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		115
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $TICK_START; # for load detecting purposes
		123
82	binmode STDOUT;	124	binmode STDOUT;
83	binmode STDERR;	125	binmode STDERR;
84		126
85	# read virtual server time, if available	127	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
90	}	132	}
91		133
92	mkdir cf::localdir;	134	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		136
99	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
100		138
101	sub cf::map::normalise;	139	sub cf::map::normalise;
102		140
…		…
113	=item $cf::RUNTIME	151	=item $cf::RUNTIME
114		152
115	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
116	every server tick.	154	every server tick.
117		155
118	=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
119		159
120	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		164
123	=item $cf::NOW	165	=item $cf::NOW
124		166
125	The time of the last (current) server tick.	167	The time of the last (current) server tick.
126		168
127	=item $cf::TICK	169	=item $cf::TICK
128		170
129	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	183	=item %cf::CFG
132		184
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	186	from wherever your confdir points to.
135		187
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		189
138	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
139	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
140	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.
141	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.
142		199
143	=back	200	=back
144		201
145	=cut	202	=cut
146		203
147	BEGIN {	204	BEGIN {
148	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	206	my $msg = join "", @_;
150	utf8::encode $msg;
151		207
152	$msg .= "\n"	208	$msg .= "\n"
153	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
154		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
155	LOG llevError, $msg;	213	LOG llevError, $msg;
156	};	214	};
157	}	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#?
158		231
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		239
166	# 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
167	# within the Safe compartment.	241	# within the Safe compartment.
168	for my $pkg (qw(	242	for my $pkg (qw(
169	cf::global cf::attachable	243	cf::global cf::attachable
…		…
174	)) {	248	)) {
175	no strict 'refs';	249	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	251	}
178		252
179	$Event::DIED = sub {	253	$EV::DIED = sub {
180	warn "error in event callback: @_";	254	warn "error in event callback: @_";
181	};	255	};
		256
		257	#############################################################################
182		258
183	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
184		260
185	=over 4	261	=over 4
186		262
…		…
205	$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;
206	$d	282	$d
207	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
208	}	284	}
209		285
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
213		287
214	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
215		289
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
224		291
225	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
226		293
227	=cut	294	=cut
228		295
229	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
231	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
232	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
233		300
234	=item cf::lock_wait $string	301	=item cf::lock_wait $string
235		302
236	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
237		304
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
243	returned.	310	returned.
244		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
245	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
246	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
247		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
248	=cut	322	=cut
249		323
250	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
251		326
252	sub lock_wait($) {	327	sub lock_wait($) {
253	my ($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#
254		334
255	# wait for lock, if any	335	# wait for lock, if any
256	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;	338	Coro::schedule;
…		…
264		344
265	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
266	lock_wait $key;	346	lock_wait $key;
267		347
268	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
269		350
270	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
271	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
273	}	355	}
274	}	356	}
275		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
276	sub freeze_mainloop {	364	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
278		366
279	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
280	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
281	};	428	}
282	$TICK_WATCHER->stop;	429	};
283	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
284	}	441	}
285		442
286	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
287		444
288	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		450
294	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
295		452
296	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
297		454
298	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
301		459
302	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
305	fast or be very important.	463	fast or be very important.
…		…
308		466
309	sub sync_job(&) {	467	sub sync_job(&) {
310	my ($job) = @_;	468	my ($job) = @_;
311		469
312	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
313	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
315		475
316	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	477
318	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
319		479
320	my $busy = 1;	480	my $busy = 1;
321	my @res;	481	my @res;
322		482
323	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	485	@res = eval { $job->() };
325	warn $@ if $@;	486	warn $@ if $@;
326	undef $busy;	487	undef $busy;
327	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
328		489
329	while ($busy) {	490	while ($busy) {
330	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
331	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
332		501
333	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
334	} else {	503	} else {
335	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
336		505
…		…
356	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
357		526
358	$coro	527	$coro
359	}	528	}
360		529
361	sub write_runtime {	530	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		531
364	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.
365		536
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
367	or return;
368		538
369	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		541
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
374	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
375		545
376	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	547	reset_signals;
378	and return;	548	&$cb
		549	}, @args;
379		550
380	close $fh	551	wantarray ? @res : $res[-1]
381	or return;	552	}
382		553
383	aio_rename "$runtime~", $runtime	554	=item $coin = coin_from_name $name
384	and return;
385		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
386	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
		706	}
		707
		708	=item cf::datalog type => key => value, ...
		709
		710	Log a datalog packet of the given type with the given key-value pairs.
		711
		712	=cut
		713
		714	sub datalog($@) {
		715	my ($type, %kv) = @_;
		716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	717	}
388		718
389	=back	719	=back
390		720
391	=cut	721	=cut
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
400		730
401	In the following description, CLASS can be any of C<global>, C<object>	731	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	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	733	Deliantra).
404		734
405	=over 4	735	=over 4
406		736
407	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
408		738
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
572		902
573	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		907
578	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	909	my $pkg = shift @arg;
580		910
581	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
611	}	941	}
612		942
613	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
614	} else {	944	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	946	}
617		947
618	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
619	}	949	}
620		950
…		…
622	if (ref $_[0]) {	952	if (ref $_[0]) {
623	_object_attach @_;	953	_object_attach @_;
624	} else {	954	} else {
625	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
626	}	956	}
		957	_recalc_want;
627	};	958	};
628		959
629	# all those should be optimised	960	# all those should be optimised
630	sub cf::attachable::detach {	961	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
635	reattach ($obj);	966	reattach ($obj);
636	} else {	967	} else {
637	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
638	}	969	}
		970	_recalc_want;
639	};	971	};
640		972
641	sub cf::attachable::attached {	973	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
643		975
…		…
658	";	990	";
659	die if $@;	991	die if $@;
660	}	992	}
661		993
662	our $override;	994	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		996
665	sub override {	997	sub override {
666	$override = 1;	998	$override = 1;
667	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
668	}	1000	}
669		1001
670	sub do_invoke {	1002	sub do_invoke {
671	my $event = shift;	1003	my $event = shift;
672	my $callbacks = shift;	1004	my $callbacks = shift;
673		1005
674	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
675		1007
676	local $override;	1008	local $override;
677		1009
678	for (@$callbacks) {	1010	for (@$callbacks) {
679	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
688	}	1020	}
689		1021
690	0	1022	0
691	}	1023	}
692		1024
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1026
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1028
697	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
698		1030
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	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	1032	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1034
703	=back	1035	=back
704		1036
705	=cut	1037	=cut
706		1038
707	#############################################################################	1039	#############################################################################
708	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
709		1083
710	sub reattach {	1084	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1086	my ($obj) = @_;
713		1087
…		…
734	cf::attachable->attach (	1108	cf::attachable->attach (
735	prio => -1000000,	1109	prio => -1000000,
736	on_instantiate => sub {	1110	on_instantiate => sub {
737	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
738		1112
739	$data = from_json $data;	1113	$data = decode_json $data;
740		1114
741	for (@$data) {	1115	for (@$data) {
742	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
743		1117
744	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1134	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
762		1136
763	sync_job {	1137	sync_job {
764	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
767		1142
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1147	close $fh;
773		1148
774	if (@$objs) {	1149	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1155	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
782	}	1157	}
…		…
790	}	1165	}
791	} else {	1166	} else {
792	aio_unlink $filename;	1167	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
794	}	1169	}
795	}	1170	};
796	}	1171	}
797		1172
798	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
800		1175
…		…
812	or return;	1187	or return;
813		1188
814	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
816	or return;	1191	or return;
		1192
817	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
818	}	1195	}
819		1196
		1197	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
822	return ($data, $av);	1201	($data, $av)
823	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
824		1209
825	#############################################################################	1210	#############################################################################
826	# command handling &c	1211	# command handling &c
827		1212
828	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1227	}
843		1228
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1230
846	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
847		1236
848	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
849	called.	1238	called.
850		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
851	=cut	1251	=cut
852		1252
853	sub register_extcmd {	1253	sub register_extcmd {
854	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
855		1255
856	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
857	}	1263	}
858		1264
859	cf::player->attach (	1265	cf::player->attach (
860	on_command => sub {	1266	on_command => sub {
861	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1276	cf::override;
871	},	1277	},
872	on_extcmd => sub {	1278	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
874		1280
875	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1282
877	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
883	} else {	1298	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1300	}
886		1301
887	cf::override;	1302	cf::override;
888	},	1303	},
889	);	1304	);
890		1305
891	sub load_extension {
892	my ($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 {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
926	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1311	next unless -r $path;
928	eval {	1312
929	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
930	1	1369	}
931	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
932	}	1375	};
933	}	1376	}
934		1377
935	#############################################################################	1378	#############################################################################
936		1379
		1380	=back
		1381
937	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
938		1383
939	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
940		1385
941	=cut	1386	=cut
…		…
946		1391
947	=head3 cf::player	1392	=head3 cf::player
948		1393
949	=over 4	1394	=over 4
950		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
		1409
951	=item cf::player::find $login	1410	=item cf::player::find $login
952		1411
953	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
954		1413
955	=cut	1414	=cut
956		1415
957	sub playerdir($) {	1416	sub playerdir($) {
958	cf::localdir	1417	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1419	}
964		1420
965	sub path($) {	1421	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1423
968	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
969	}	1425	}
970		1426
971	sub find_active($) {	1427	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1442	my $login = $_[0];
987		1443
988	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
989		1445
990	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1447	# rename old playerfiles to new ones
		1448	#TODO: remove when no longer required
		1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1452	aio_unlink +(playerdir $login) . "/$login.pl";
		1453
		1454	my $f = new_from_file cf::object::thawer path $login
992	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
994	}	1462	}
995	}	1463	}
996	}	1464	}
997		1465
…		…
1007		1475
1008	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1010		1478
1011	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1012	Coro::cede;	1480	cf::cede_to_tick;
1013	}	1481	}
1014		1482
1015	sub new($) {	1483	sub new($) {
1016	my ($login) = @_;	1484	my ($login) = @_;
1017		1485
…		…
1021	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1022		1490
1023	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1024		1492
1025	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1026	}	1504	}
1027		1505
1028	=item $pl->quit_character	1506	=item $pl->quit_character
1029		1507
1030	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1080		1558
1081	=cut	1559	=cut
1082		1560
1083	sub list_logins {	1561	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1563	or return [];
1086		1564
1087	my @logins;	1565	my @logins;
1088		1566
1089	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1093		1576
1094	utf8::decode $login;	1577	utf8::decode $login;
1095	push @logins, $login;	1578	push @logins, $login;
1096	}	1579	}
1097		1580
…		…
1124	}	1607	}
1125		1608
1126	\@paths	1609	\@paths
1127	}	1610	}
1128		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1130		1706
1131	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1132		1708
1133	=cut	1709	=cut
1134		1710
1135	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1137		1713
1138	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1715	}
1142		1716
1143	package cf;	1717	=item $player->ext_msg ($type, @msg)
		1718
		1719	Sends an ext event to the client.
		1720
		1721	=cut
		1722
		1723	sub ext_msg($$@) {
		1724	my ($self, $type, @msg) = @_;
		1725
		1726	$self->ns->ext_msg ($type, @msg);
		1727	}
		1728
		1729	=head3 cf::region
		1730
		1731	=over 4
		1732
		1733	=cut
		1734
		1735	package cf::region;
		1736
		1737	=item cf::region::find_by_path $path
		1738
		1739	Tries to decuce the likely region for a map knowing only its path.
		1740
		1741	=cut
		1742
		1743	sub find_by_path($) {
		1744	my ($path) = @_;
		1745
		1746	my ($match, $specificity);
		1747
		1748	for my $region (list) {
		1749	if ($region->{match} && $path =~ $region->{match}) {
		1750	($match, $specificity) = ($region, $region->specificity)
		1751	if $region->specificity > $specificity;
		1752	}
		1753	}
		1754
		1755	$match
		1756	}
1144		1757
1145	=back	1758	=back
1146
1147		1759
1148	=head3 cf::map	1760	=head3 cf::map
1149		1761
1150	=over 4	1762	=over 4
1151		1763
…		…
1206	my ($self, $merge) = @_;	1818	my ($self, $merge) = @_;
1207		1819
1208	# we have to keep some variables in memory intact	1820	# we have to keep some variables in memory intact
1209	local $self->{path};	1821	local $self->{path};
1210	local $self->{load_path};	1822	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1823
1214	$self->SUPER::thawer_merge ($merge);	1824	$self->SUPER::thawer_merge ($merge);
1215	}	1825	}
1216		1826
1217	sub normalise {	1827	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1874	$self->init; # pass $1 etc.
1265	return $self;	1875	return $self;
1266	}	1876	}
1267	}	1877	}
1268		1878
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1879	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1880	()
1271	}	1881	}
1272		1882
1273	sub init {	1883	sub init {
1274	my ($self) = @_;	1884	my ($self) = @_;
…		…
1289		1899
1290	# the original (read-only) location	1900	# the original (read-only) location
1291	sub load_path {	1901	sub load_path {
1292	my ($self) = @_;	1902	my ($self) = @_;
1293		1903
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1904	"$MAPDIR/$self->{path}.map"
1295	}	1905	}
1296		1906
1297	# the temporary/swap location	1907	# the temporary/swap location
1298	sub save_path {	1908	sub save_path {
1299	my ($self) = @_;	1909	my ($self) = @_;
1300		1910
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1912	"$TMPDIR/$path.map"
1303	}	1913	}
1304		1914
1305	# the unique path, undef == no special unique path	1915	# the unique path, undef == no special unique path
1306	sub uniq_path {	1916	sub uniq_path {
1307	my ($self) = @_;	1917	my ($self) = @_;
1308		1918
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1920	"$UNIQUEDIR/$path"
1311	}	1921	}
1312		1922
1313	# and all this just because we cannot iterate over	1923	# and all this just because we cannot iterate over
1314	# all maps in C++...	1924	# all maps in C++...
1315	sub change_all_map_light {	1925	sub change_all_map_light {
…		…
1317		1927
1318	$_->change_map_light ($change)	1928	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1929	for grep $_->outdoor, values %cf::MAP;
1320	}	1930	}
1321		1931
		1932	sub decay_objects {
		1933	my ($self) = @_;
		1934
		1935	return if $self->{deny_reset};
		1936
		1937	$self->do_decay_objects;
		1938	}
		1939
1322	sub unlink_save {	1940	sub unlink_save {
1323	my ($self) = @_;	1941	my ($self) = @_;
1324		1942
1325	utf8::encode (my $save = $self->save_path);	1943	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1944	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1947
1330	sub load_header_from($) {	1948	sub load_header_from($) {
1331	my ($self, $path) = @_;	1949	my ($self, $path) = @_;
1332		1950
1333	utf8::encode $path;	1951	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1952	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1953	or return;
		1954
		1955	$self->_load_header ($f)
		1956	or return;
		1957
		1958	local $MAP_LOADING{$self->{path}} = $self;
		1959	$f->resolve_delayed_derefs;
1339		1960
1340	$self->{load_path} = $path;	1961	$self->{load_path} = $path;
1341		1962
1342	1	1963	1
1343	}	1964	}
…		…
1382	$self->load_header_orig	2003	$self->load_header_orig
1383	or return;	2004	or return;
1384	$self->prepare_orig;	2005	$self->prepare_orig;
1385	}	2006	}
1386		2007
		2008	$self->{deny_reset} = 1
		2009	if $self->no_reset;
		2010
		2011	$self->default_region (cf::region::find_by_path $self->{path})
		2012	unless $self->default_region;
		2013
1387	1	2014	1
1388	}	2015	}
1389		2016
1390	sub find;	2017	sub find;
1391	sub find {	2018	sub find {
1392	my ($path, $origin) = @_;	2019	my ($path, $origin) = @_;
1393		2020
1394	$path = normalise $path, $origin && $origin->path;	2021	$path = normalise $path, $origin && $origin->path;
1395		2022
		2023	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2024	cf::lock_wait "map_find:$path";
1397		2025
1398	$cf::MAP{$path} || do {	2026	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";	2027	my $guard1 = cf::lock_acquire "map_find:$path";
		2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2029
1400	my $map = new_from_path cf::map $path	2030	my $map = new_from_path cf::map $path
1401	or return;	2031	or return;
1402		2032
1403	$map->{last_save} = $cf::RUNTIME;	2033	$map->{last_save} = $cf::RUNTIME;
1404		2034
1405	$map->load_header	2035	$map->load_header
1406	or return;	2036	or return;
1407		2037
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2039	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2040	#$cf::WAIT_FOR_TICK->wait;
		2041	undef $guard1;
		2042	undef $guard2;
1411	$map->reset;	2043	$map->reset;
1412	undef $guard;
1413	return find $path;	2044	return find $path;
1414	}	2045	}
1415		2046
1416	$cf::MAP{$path} = $map	2047	$cf::MAP{$path} = $map
1417	}	2048	}
…		…
1424	my ($self) = @_;	2055	my ($self) = @_;
1425		2056
1426	local $self->{deny_reset} = 1; # loading can take a long time	2057	local $self->{deny_reset} = 1; # loading can take a long time
1427		2058
1428	my $path = $self->{path};	2059	my $path = $self->{path};
		2060
		2061	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2062	my $guard = cf::lock_acquire "map_data:$path";
1430		2063
		2064	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2065	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2066
1433	$self->in_memory (cf::MAP_LOADING);	2067	$self->in_memory (cf::MAP_LOADING);
1434		2068
1435	$self->alloc;	2069	$self->alloc;
1436		2070
1437	$self->pre_load;	2071	$self->pre_load;
		2072	cf::cede_to_tick;
1438		2073
1439	$self->_load_objects ($self->{load_path}, 1)	2074	my $f = new_from_file cf::object::thawer $self->{load_path};
		2075	$f->skip_block;
		2076	$self->_load_objects ($f)
1440	or return;	2077	or return;
1441		2078
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	2080	if delete $self->{load_original};
1444		2081
1445	if (my $uniq = $self->uniq_path) {	2082	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2083	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2084	unless (aio_stat $uniq) {
		2085	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2086	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2087	$self->_load_objects ($f);
		2088	$f->resolve_delayed_derefs;
		2089	}
1450	}	2090	}
1451	}	2091	}
1452		2092
1453	Coro::cede;	2093	$f->resolve_delayed_derefs;
1454		2094
		2095	cf::cede_to_tick;
1455	# now do the right thing for maps	2096	# now do the right thing for maps
1456	$self->link_multipart_objects;	2097	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2098	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2099	unless $self->difficulty;
1466	Coro::cede;	2100	cf::cede_to_tick;
		2101
		2102	unless ($self->{deny_activate}) {
		2103	$self->decay_objects;
		2104	$self->fix_auto_apply;
		2105	$self->update_buttons;
		2106	cf::cede_to_tick;
		2107	$self->set_darkness_map;
		2108	cf::cede_to_tick;
1467	$self->activate;	2109	$self->activate;
		2110	}
		2111
		2112	$self->{last_save} = $cf::RUNTIME;
		2113	$self->last_access ($cf::RUNTIME);
		2114
		2115	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	2116	}
1469		2117
1470	$self->post_load;	2118	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2119	}
1474		2120
1475	sub customise_for {	2121	sub customise_for {
1476	my ($self, $ob) = @_;	2122	my ($self, $ob) = @_;
1477		2123
1478	return find "~" . $ob->name . "/" . $self->{path}	2124	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2125	if $self->per_player;
1480		2126
		2127	# return find "?party/" . $ob->name . "/" . $self->{path}
		2128	# if $self->per_party;
		2129
1481	$self	2130	$self
1482	}	2131	}
1483		2132
1484	# find and load all maps in the 3x3 area around a map	2133	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2134	sub load_neighbours {
1486	my ($map) = @_;	2135	my ($map) = @_;
1487		2136
1488	my @diag; # diagonal neighbours	2137	my @neigh; # diagonal neighbours
1489		2138
1490	for (0 .. 3) {	2139	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2140	my $neigh = $map->tile_path ($_)
1492	or next;	2141	or next;
1493	$neigh = find $neigh, $map	2142	$neigh = find $neigh, $map
1494	or next;	2143	or next;
1495	$neigh->load;	2144	$neigh->load;
1496		2145
		2146	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2149	}
1500		2150
1501	for (@diag) {	2151	for (grep defined $_->[0], @neigh) {
		2152	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2153	my $neigh = find $path, $origin
1503	or next;	2154	or next;
1504	$neigh->load;	2155	$neigh->load;
1505	}	2156	}
1506	}	2157	}
1507		2158
…		…
1512	}	2163	}
1513		2164
1514	sub do_load_sync {	2165	sub do_load_sync {
1515	my ($map) = @_;	2166	my ($map) = @_;
1516		2167
		2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2169	if $Coro::current == $Coro::main;
		2170
1517	cf::sync_job { $map->load };	2171	cf::sync_job { $map->load };
1518	}	2172	}
1519		2173
1520	our %MAP_PREFETCH;	2174	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2175	our $MAP_PREFETCHER = undef;
1522		2176
1523	sub find_async {	2177	sub find_async {
1524	my ($path, $origin) = @_;	2178	my ($path, $origin, $load) = @_;
1525		2179
1526	$path = normalise $path, $origin && $origin->{path};	2180	$path = normalise $path, $origin && $origin->{path};
1527		2181
1528	if (my $map = $cf::MAP{$path}) {	2182	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	2184	}
1531		2185
1532	undef $MAP_PREFETCH{$path};	2186	$MAP_PREFETCH{$path} |= $load;
		2187
1533	$MAP_PREFETCHER ||= cf::async {	2188	$MAP_PREFETCHER ||= cf::async {
		2189	$Coro::current->{desc} = "map prefetcher";
		2190
1534	while (%MAP_PREFETCH) {	2191	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2192	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2193	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2194	$map->load if $v;
		2195	}
1539		2196
1540	delete $MAP_PREFETCH{$path};	2197	delete $MAP_PREFETCH{$k};
1541	}	2198	}
1542	}	2199	}
1543	undef $MAP_PREFETCHER;	2200	undef $MAP_PREFETCHER;
1544	};	2201	};
1545	$MAP_PREFETCHER->prio (6);	2202	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2205	}
1549		2206
1550	sub save {	2207	sub save {
1551	my ($self) = @_;	2208	my ($self) = @_;
1552		2209
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2211
1555	$self->{last_save} = $cf::RUNTIME;	2212	$self->{last_save} = $cf::RUNTIME;
1556		2213
1557	return unless $self->dirty;	2214	return unless $self->dirty;
1558		2215
…		…
1564	return if $self->{deny_save};	2221	return if $self->{deny_save};
1565		2222
1566	local $self->{last_access} = $self->last_access;#d#	2223	local $self->{last_access} = $self->last_access;#d#
1567		2224
1568	cf::async {	2225	cf::async {
		2226	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2227	$_->contr->save for $self->players;
1570	};	2228	};
1571		2229
1572	if ($uniq) {	2230	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1581	my ($self) = @_;	2239	my ($self) = @_;
1582		2240
1583	# save first because save cedes	2241	# save first because save cedes
1584	$self->save;	2242	$self->save;
1585		2243
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2245
1588	return if $self->players;	2246	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2247	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2248	return if $self->{deny_save};
1591		2249
		2250	$self->in_memory (cf::MAP_SWAPPED);
		2251
		2252	$self->deactivate;
		2253	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2254	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2255	}
1595		2256
1596	sub reset_at {	2257	sub reset_at {
1597	my ($self) = @_;	2258	my ($self) = @_;
1598		2259
1599	# TODO: safety, remove and allow resettable per-player maps	2260	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2261	return 1e99 if $self->{deny_reset};
1602		2262
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2263	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2264	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2265
…		…
1616	my ($self) = @_;	2276	my ($self) = @_;
1617		2277
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2279
1620	return if $self->players;	2280	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2281
1623	warn "resetting map ", $self->path;#d#	2282	warn "resetting map ", $self->path;
1624		2283
1625	$self->in_memory (cf::MAP_SWAPPED);	2284	$self->in_memory (cf::MAP_SWAPPED);
1626		2285
1627	# need to save uniques path	2286	# need to save uniques path
1628	unless ($self->{deny_save}) {	2287	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2291	if $uniq;
1633	}	2292	}
1634		2293
1635	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1636		2295
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2298	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2299
1641	$self->unlink_save;	2300	$self->unlink_save;
1642	$self->destroy;	2301	$self->destroy;
1643	}	2302	}
1644		2303
1645	my $nuke_counter = "aaaa";	2304	my $nuke_counter = "aaaa";
1646		2305
1647	sub nuke {	2306	sub nuke {
1648	my ($self) = @_;	2307	my ($self) = @_;
1649		2308
		2309	{
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
1650	delete $cf::MAP{$self->path};	2312	delete $cf::MAP{$self->path};
1651		2313
1652	$self->unlink_save;	2314	$self->unlink_save;
1653		2315
1654	bless $self, "cf::map";	2316	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2317	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2318	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2319	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2321
1660	$cf::MAP{$self->path} = $self;	2322	$cf::MAP{$self->path} = $self;
		2323	}
1661		2324
1662	$self->reset; # polite request, might not happen	2325	$self->reset; # polite request, might not happen
		2326	}
		2327
		2328	=item $maps = cf::map::tmp_maps
		2329
		2330	Returns an arrayref with all map paths of currently instantiated and saved
		2331	maps. May block.
		2332
		2333	=cut
		2334
		2335	sub tmp_maps() {
		2336	[
		2337	map {
		2338	utf8::decode $_;
		2339	/\.map$/
		2340	? normalise $_
		2341	: ()
		2342	} @{ aio_readdir $TMPDIR or [] }
		2343	]
		2344	}
		2345
		2346	=item $maps = cf::map::random_maps
		2347
		2348	Returns an arrayref with all map paths of currently instantiated and saved
		2349	random maps. May block.
		2350
		2351	=cut
		2352
		2353	sub random_maps() {
		2354	[
		2355	map {
		2356	utf8::decode $_;
		2357	/\.map$/
		2358	? normalise "?random/$_"
		2359	: ()
		2360	} @{ aio_readdir $RANDOMDIR or [] }
		2361	]
1663	}	2362	}
1664		2363
1665	=item cf::map::unique_maps	2364	=item cf::map::unique_maps
1666		2365
1667	Returns an arrayref of paths of all shared maps that have	2366	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2367	instantiated unique items. May block.
1669		2368
1670	=cut	2369	=cut
1671		2370
1672	sub unique_maps() {	2371	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2372	[
1674	or return;	2373	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2374	utf8::decode $_;
1680	next if /\.pst$/;	2375	/\.map$/
1681	next unless /^$PATH_SEP/o;	2376	? normalise $_
1682		2377	: ()
1683	push @paths, cf::map::normalise $_;	2378	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2379	]
1685
1686	\@paths
1687	}	2380	}
1688
1689	package cf;
1690		2381
1691	=back	2382	=back
1692		2383
1693	=head3 cf::object	2384	=head3 cf::object
1694		2385
…		…
1709	map { $_, inv_recursive_ $_->inv } @_	2400	map { $_, inv_recursive_ $_->inv } @_
1710	}	2401	}
1711		2402
1712	sub inv_recursive {	2403	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2404	inv_recursive_ inv $_[0]
		2405	}
		2406
		2407	=item $ref = $ob->ref
		2408
		2409	creates and returns a persistent reference to an objetc that can be stored as a string.
		2410
		2411	=item $ob = cf::object::deref ($refstring)
		2412
		2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2414	even if the object actually exists. May block.
		2415
		2416	=cut
		2417
		2418	sub deref {
		2419	my ($ref) = @_;
		2420
		2421	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2422	my ($uuid, $name) = ($1, $2);
		2423	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2424	or return;
		2425	$pl->ob->uuid eq $uuid
		2426	or return;
		2427
		2428	$pl->ob
		2429	} else {
		2430	warn "$ref: cannot resolve object reference\n";
		2431	undef
		2432	}
1714	}	2433	}
1715		2434
1716	package cf;	2435	package cf;
1717		2436
1718	=back	2437	=back
…		…
1737		2456
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2457	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2458
1740	if ($self->{record_replies}) {	2459	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2460	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2461
1742	} else {	2462	} else {
		2463	my $pl = $self->contr;
		2464
		2465	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2466	my $dialog = $pl->{npc_dialog};
		2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2468
		2469	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2470	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2471	$self->message ($msg, $flags);
		2472	}
1745	}	2473	}
		2474	}
		2475
		2476	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2477
		2478	=cut
		2479
		2480	sub cf::object::send_msg {
		2481	my $pl = shift->contr
		2482	or return;
		2483	$pl->send_msg (@_);
1746	}	2484	}
1747		2485
1748	=item $player_object->may ("access")	2486	=item $player_object->may ("access")
1749		2487
1750	Returns wether the given player is authorized to access resource "access"	2488	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2535	$self->deactivate_recursive;
1798		2536
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2537	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2538
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2539	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2540	if $self->map && $self->map->{path} ne "{link}";
1803		2541
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2542	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2543	}
1806		2544
1807	sub cf::object::player::leave_link {	2545	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2546	my ($self, $map, $x, $y) = @_;
		2547
		2548	return unless $self->contr->active;
1809		2549
1810	my $link_pos = delete $self->{_link_pos};	2550	my $link_pos = delete $self->{_link_pos};
1811		2551
1812	unless ($map) {	2552	unless ($map) {
1813	# restore original map position	2553	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2567	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2568	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2569	if $x <=0 && $y <= 0;
1830		2570
1831	$map->load;	2571	$map->load;
1832	$map->load_diag;	2572	$map->load_neighbours;
1833		2573
1834	return unless $self->contr->active;	2574	return unless $self->contr->active;
1835	$self->activate_recursive;	2575	$self->activate_recursive;
1836		2576
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2578	$self->enter_map ($map, $x, $y);
1839	}	2579	}
1840		2580
1841	cf::player->attach (	2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2582
1845	# abort map switching before logout	2583	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2584	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2585	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2586	the new (success) or old (failed) map position. In either case, $done will
1849	};	2587	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2588
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2589	=cut
		2590
		2591	our $GOTOGEN;
1876		2592
1877	sub cf::object::player::goto {	2593	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2594	my ($self, $path, $x, $y, $check, $done) = @_;
		2595
		2596	# do generation counting so two concurrent goto's will be executed in-order
		2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2598
1880	$self->enter_link;	2599	$self->enter_link;
1881		2600
1882	(async {	2601	(async {
		2602	$Coro::current->{desc} = "player::goto $path $x $y";
		2603
		2604	# *tag paths override both path and x|y
		2605	if ($path =~ /^\*(.*)$/) {
		2606	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2607	my $ob = $obs[rand @obs];
		2608
		2609	# see if we actually can go there
		2610	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2611	$ob = $obs[rand @obs];
		2612	} else {
		2613	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	}
		2615	# else put us there anyways for now #d#
		2616
		2617	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2618	} else {
		2619	($path, $x, $y) = (undef, undef, undef);
		2620	}
		2621	}
		2622
1883	my $map = eval {	2623	my $map = eval {
1884	my $map = cf::map::find $path;	2624	my $map = defined $path ? cf::map::find $path : undef;
		2625
		2626	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2627	$map = $map->customise_for ($self);
		2628	$map = $check->($map) if $check && $map;
		2629	} else {
		2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	}
		2632
1886	$map	2633	$map
		2634	};
		2635
		2636	if ($@) {
		2637	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2638	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2639	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2640
		2641	if ($gen == $self->{_goto_generation}) {
		2642	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2643	$self->leave_link ($map, $x, $y);
		2644	}
		2645
		2646	$done->() if $done;
1891	})->prio (1);	2647	})->prio (1);
1892	}	2648	}
1893		2649
1894	=item $player_object->enter_exit ($exit_object)	2650	=item $player_object->enter_exit ($exit_object)
1895		2651
…		…
1932	$rmp->{origin_y} = $exit->y;	2688	$rmp->{origin_y} = $exit->y;
1933	}	2689	}
1934		2690
1935	$rmp->{random_seed} ||= $exit->random_seed;	2691	$rmp->{random_seed} ||= $exit->random_seed;
1936		2692
1937	my $data = cf::to_json $rmp;	2693	my $data = cf::encode_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2694	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2695	my $meta = "$RANDOMDIR/$md5.meta";
1940		2696
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2698	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2699	undef $fh;
1944	aio_rename "$meta~", $meta;	2700	aio_rename "$meta~", $meta;
…		…
1953		2709
1954	return unless $self->type == cf::PLAYER;	2710	return unless $self->type == cf::PLAYER;
1955		2711
1956	if ($exit->slaying eq "/!") {	2712	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2713	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2714	# the problem is that $exit might not survive long enough
		2715	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2716	cf::sync_job { prepare_random_map $exit };
1959	}	2717	}
1960		2718
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2720	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2721	my $sp = $exit->stats->sp;
1964		2722
1965	$self->enter_link;	2723	$self->enter_link;
1966		2724
		2725	# if exit is damned, update players death & WoR home-position
		2726	$self->contr->savebed ($slaying, $hp, $sp)
		2727	if $exit->flag (FLAG_DAMNED);
		2728
1967	(async {	2729	(async {
		2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2731
1968	$self->deactivate_recursive; # just to be sure	2732	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2733	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2734	$self->goto ($slaying, $hp, $sp);
1971		2735
1972	1;	2736	1;
1973	}) {	2737	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2742
1979	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2744	$self->leave_link;
1981	}	2745	}
1982	})->prio (1);	2746	})->prio (1);
…		…
1995		2759
1996	sub cf::client::send_drawinfo {	2760	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	2761	my ($self, $text, $flags) = @_;
1998		2762
1999	utf8::encode $text;	2763	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2765	}
2002		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/uptime" => {
		2815	id => "infobox",
		2816	title => "Uptime",
		2817	reply => undef,
		2818	tooltip => "How long the server has been running since last restart",
		2819	},
		2820	"c/mapinfo" => {
		2821	id => "infobox",
		2822	title => "Map Info",
		2823	reply => undef,
		2824	tooltip => "Information related to the maps",
		2825	},
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg);
		2832
		2833	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2834
		2835	# check predefined channels, for the benefit of C
		2836	if ($CHANNEL{$channel}) {
		2837	$channel = $CHANNEL{$channel};
		2838
		2839	$self->ext_msg (channel_info => $channel)
		2840	if $self->can_msg;
		2841
		2842	$channel = $channel->{id};
		2843
		2844	} elsif (ref $channel) {
		2845	# send meta info to client, if not yet sent
		2846	unless (exists $self->{channel}{$channel->{id}}) {
		2847	$self->{channel}{$channel->{id}} = $channel;
		2848	$self->ext_msg (channel_info => $channel)
		2849	if $self->can_msg;
		2850	}
		2851
		2852	$channel = $channel->{id};
		2853	}
		2854
		2855	return unless @extra || length $msg;
		2856
		2857	if ($self->can_msg) {
		2858	# default colour, mask it out
		2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2860	if $color & cf::NDI_DEF;
		2861
		2862	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2864	} else {
		2865	if ($color >= 0) {
		2866	# replace some tags by gcfclient-compatible ones
		2867	for ($msg) {
		2868	1 while
		2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2874	}
		2875
		2876	$color &= cf::NDI_COLOR_MASK;
		2877
		2878	utf8::encode $msg;
		2879
		2880	if (0 && $msg =~ /\[/) {
		2881	# COMMAND/INFO
		2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2883	} else {
		2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2885	$self->send_packet ("drawinfo $color $msg")
		2886	}
		2887	}
		2888	}
		2889	}
		2890
		2891	=item $client->ext_msg ($type, @msg)
		2892
		2893	Sends an ext event to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_msg($$@) {
		2898	my ($self, $type, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2902	} elsif ($self->extcmd == 1) { # TODO: remove
		2903	push @msg, msgtype => "event_$type";
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2905	}
		2906	}
		2907
		2908	=item $client->ext_reply ($msgid, @msg)
		2909
		2910	Sends an ext reply to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_reply($$@) {
		2915	my ($self, $id, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2919	} elsif ($self->extcmd == 1) {
		2920	#TODO: version 1, remove
		2921	unshift @msg, msgtype => "reply", msgid => $id;
		2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2923	}
		2924	}
2003		2925
2004	=item $success = $client->query ($flags, "text", \&cb)	2926	=item $success = $client->query ($flags, "text", \&cb)
2005		2927
2006	Queues a query to the client, calling the given callback with	2928	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2931
2010	Queries can fail, so check the return code. Or don't, as queries will become	2932	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2933	become reliable at some point in the future.
2012		2934
2013	=cut	2935	=cut
2014		2936
2015	sub cf::client::query {	2937	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2938	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2946	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2948
2027	$self->send_packet ($self->{query_queue}[0][0])	2949	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2950	if @{ $self->{query_queue} } == 1;
		2951
		2952	1
2029	}	2953	}
2030		2954
2031	cf::client->attach (	2955	cf::client->attach (
		2956	on_connect => sub {
		2957	my ($ns) = @_;
		2958
		2959	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2960	},
2032	on_reply => sub {	2961	on_reply => sub {
2033	my ($ns, $msg) = @_;	2962	my ($ns, $msg) = @_;
2034		2963
2035	# this weird shuffling is so that direct followup queries	2964	# this weird shuffling is so that direct followup queries
2036	# get handled first	2965	# get handled first
…		…
2048	} else {	2977	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2978	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2979	}
2051	}	2980	}
2052	},	2981	},
		2982	on_exticmd => sub {
		2983	my ($ns, $buf) = @_;
		2984
		2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2986
		2987	if (ref $msg) {
		2988	my ($type, $reply, @payload) =
		2989	"ARRAY" eq ref $msg
		2990	? @$msg
		2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2992
		2993	my @reply;
		2994
		2995	if (my $cb = $EXTICMD{$type}) {
		2996	@reply = $cb->($ns, @payload);
		2997	}
		2998
		2999	$ns->ext_reply ($reply, @reply)
		3000	if $reply;
		3001
		3002	} else {
		3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3004	}
		3005
		3006	cf::override;
		3007	},
2053	);	3008	);
2054		3009
2055	=item $client->async (\&cb)	3010	=item $client->async (\&cb)
2056		3011
2057	Create a new coroutine, running the specified callback. The coroutine will	3012	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3053	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3054	our $safe_hole = new Safe::Hole;
2100		3055
2101	$SIG{FPE} = 'IGNORE';	3056	$SIG{FPE} = 'IGNORE';
2102		3057
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3058	$safe->permit_only (Opcode::opset qw(
		3059	:base_core :base_mem :base_orig :base_math
		3060	grepstart grepwhile mapstart mapwhile
		3061	sort time
		3062	));
2104		3063
2105	# here we export the classes and methods available to script code	3064	# here we export the classes and methods available to script code
2106		3065
2107	=pod	3066	=pod
2108		3067
2109	The following fucntions and emthods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
2110		3069
2111	cf::object contr pay_amount pay_player map	3070	cf::object
		3071	contr pay_amount pay_player map x y force_find force_add destroy
		3072	insert remove name archname title slaying race decrease_ob_nr
		3073
2112	cf::object::player player	3074	cf::object::player
2113	cf::player peaceful	3075	player
2114	cf::map trigger	3076
		3077	cf::player
		3078	peaceful
		3079
		3080	cf::map
		3081	trigger
2115		3082
2116	=cut	3083	=cut
2117		3084
2118	for (	3085	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3087	insert remove inv name archname title slaying race
		3088	decrease_ob_nr destroy)],
2120	["cf::object::player" => qw(player)],	3089	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3090	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3091	["cf::map" => qw(trigger)],
2123	) {	3092	) {
2124	no strict 'refs';	3093	no strict 'refs';
…		…
2195	=back	3164	=back
2196		3165
2197	=cut	3166	=cut
2198		3167
2199	#############################################################################	3168	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3169	# the server's init and main functions
2273		3170
2274	sub load_faces {	3171	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3172	my ($path) = @_;
2276		3173
		3174	# HACK to clear player env face cache, we need some signal framework
		3175	# for this (global event?)
		3176	%ext::player_env::MUSIC_FACE_CACHE = ();
		3177
		3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3179
2277	warn "loading faces from $path\n";	3180	warn "loading facedata from $path\n";
2278		3181
2279	my $faces;	3182	my $facedata;
2280	0 < aio_load $path, $faces	3183	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3184	or die "$path: $!";
2282		3185
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3186	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3187
		3188	$facedata->{version} == 2
		3189	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3190
		3191	# patch in the exptable
		3192	$facedata->{resource}{"res/exp_table"} = {
		3193	type => FT_RSRC,
		3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3195	};
		3196	cf::cede_to_tick;
		3197
		3198	{
		3199	my $faces = $facedata->{faceinfo};
		3200
2287	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3203
		3204	cf::face::set_visibility $idx, $info->{visibility};
		3205	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3208
		3209	cf::cede_to_tick;
		3210	}
		3211
		3212	while (my ($face, $info) = each %$faces) {
		3213	next unless $info->{smooth};
		3214
		3215	my $idx = cf::face::find $face
		3216	or next;
		3217
		3218	if (my $smooth = cf::face::find $info->{smooth}) {
		3219	cf::face::set_smooth $idx, $smooth;
		3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3221	} else {
		3222	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3223	}
		3224
		3225	cf::cede_to_tick;
		3226	}
		3227	}
		3228
2292	}	3229	{
		3230	my $anims = $facedata->{animinfo};
		3231
		3232	while (my ($anim, $info) = each %$anims) {
		3233	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3234	cf::cede_to_tick;
		3235	}
		3236
		3237	cf::anim::invalidate_all; # d'oh
		3238	}
		3239
		3240	{
		3241	# TODO: for gcfclient pleasure, we should give resources
		3242	# that gcfclient doesn't grok a >10000 face index.
		3243	my $res = $facedata->{resource};
		3244
		3245	while (my ($name, $info) = each %$res) {
		3246	if (defined $info->{type}) {
		3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3248	my $data;
		3249
		3250	if ($info->{type} & 1) {
		3251	# prepend meta info
		3252
		3253	my $meta = $enc->encode ({
		3254	name => $name,
		3255	%{ $info->{meta} || {} },
		3256	});
		3257
		3258	$data = pack "(w/a*)*", $meta, $info->{data};
		3259	} else {
		3260	$data = $info->{data};
		3261	}
		3262
		3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3264	cf::face::set_type $idx, $info->{type};
		3265	} else {
		3266	$RESOURCE{$name} = $info;
		3267	}
		3268
		3269	cf::cede_to_tick;
		3270	}
		3271	}
		3272
		3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2293		3274
2294	1	3275	1
2295	}	3276	}
2296		3277
		3278	cf::global->attach (on_resource_update => sub {
		3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3281
		3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3283	my $sound = $soundconf->{compat}[$_]
		3284	or next;
		3285
		3286	my $face = cf::face::find "sound/$sound->[1]";
		3287	cf::sound::set $sound->[0] => $face;
		3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3289	}
		3290
		3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3292	my $face = cf::face::find "sound/$v";
		3293	cf::sound::set $k => $face;
		3294	}
		3295	}
		3296	});
		3297
		3298	register_exticmd fx_want => sub {
		3299	my ($ns, $want) = @_;
		3300
		3301	while (my ($k, $v) = each %$want) {
		3302	$ns->fx_want ($k, $v);
		3303	}
		3304	};
		3305
		3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
		3311	load_resource_file "$MAPDIR/regions"
		3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
		3318	}
		3319
		3320	sub reload_facedata {
		3321	load_facedata "$DATADIR/facedata"
		3322	or die "unable to load facedata\n";
		3323	}
		3324
		3325	sub reload_archetypes {
		3326	load_resource_file "$DATADIR/archetypes"
		3327	or die "unable to load archetypes\n";
		3328	#d# NEED to laod twice to resolve forward references
		3329	# this really needs to be done in an extra post-pass
		3330	# (which needs to be synchronous, so solve it differently)
		3331	load_resource_file "$DATADIR/archetypes"
		3332	or die "unable to load archetypes\n";
		3333	}
		3334
		3335	sub reload_treasures {
		3336	load_resource_file "$DATADIR/treasures"
		3337	or die "unable to load treasurelists\n";
		3338	}
		3339
2297	sub reload_resources {	3340	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3341	warn "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	3342
		3343	reload_regions;
2300	load_faces	3344	reload_facedata;
2301	or die "unable to load faces\n";#d#	3345	#reload_archetypes;#d#
		3346	reload_archetypes;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
2302	}	3350	}
2303		3351
2304	sub init {	3352	sub init {
2305	reload_resources;	3353	reload_resources;
2306	}	3354	}
2307		3355
2308	sub cfg_load {	3356	sub reload_config {
2309	open my $fh, "<:utf8", cf::confdir . "/config"	3357	open my $fh, "<:utf8", "$CONFDIR/config"
2310	or return;	3358	or return;
2311		3359
2312	local $/;	3360	local $/;
2313	*CFG = YAML::Syck::Load <$fh>;	3361	*CFG = YAML::Load <$fh>;
2314		3362
2315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2316		3364
2317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3365	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2318	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2329	sub main {	3377	sub main {
2330	# we must not ever block the main coroutine	3378	# we must not ever block the main coroutine
2331	local $Coro::idle = sub {	3379	local $Coro::idle = sub {
2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2333	(async {	3381	(async {
2334	Event::one_event;	3382	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3383	EV::loop EV::LOOP_ONESHOT;
2335	})->prio (Coro::PRIO_MAX);	3384	})->prio (Coro::PRIO_MAX);
2336	};	3385	};
2337		3386
2338	cfg_load;	3387	reload_config;
2339	db_init;	3388	db_init;
2340	load_extensions;	3389	load_extensions;
2341		3390
2342	$TICK_WATCHER->start;	3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3392	evthread_start IO::AIO::poll_fileno;
2343	Event::loop;	3393	EV::loop;
2344	}	3394	}
2345		3395
2346	#############################################################################	3396	#############################################################################
2347	# initialisation and cleanup	3397	# initialisation and cleanup
2348		3398
2349	# install some emergency cleanup handlers	3399	# install some emergency cleanup handlers
2350	BEGIN {	3400	BEGIN {
		3401	our %SIGWATCHER = ();
2351	for my $signal (qw(INT HUP TERM)) {	3402	for my $signal (qw(INT HUP TERM)) {
2352	Event->signal (	3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2353	reentrant => 0,
2354	data => WF_AUTOCANCEL,
2355	signal => $signal,
2356	prio => 0,
2357	cb => sub {
2358	cf::cleanup "SIG$signal";	3404	cf::cleanup "SIG$signal";
2359	},
2360	);	3405	};
		3406	}
		3407	}
		3408
		3409	sub write_runtime {
		3410	my $runtime = "$LOCALDIR/runtime";
		3411
		3412	# first touch the runtime file to show we are still running:
		3413	# the fsync below can take a very very long time.
		3414
		3415	IO::AIO::aio_utime $runtime, undef, undef;
		3416
		3417	my $guard = cf::lock_acquire "write_runtime";
		3418
		3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3420	or return;
		3421
		3422	my $value = $cf::RUNTIME + 90 + 10;
		3423	# 10 is the runtime save interval, for a monotonic clock
		3424	# 60 allows for the watchdog to kill the server.
		3425
		3426	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3427	and return;
		3428
		3429	# always fsync - this file is important
		3430	aio_fsync $fh
		3431	and return;
		3432
		3433	# touch it again to show we are up-to-date
		3434	aio_utime $fh, undef, undef;
		3435
		3436	close $fh
		3437	or return;
		3438
		3439	aio_rename "$runtime~", $runtime
		3440	and return;
		3441
		3442	warn "runtime file written.\n";
		3443
2361	}	3444	1
		3445	}
		3446
		3447	our $uuid_lock;
		3448	our $uuid_skip;
		3449
		3450	sub write_uuid_sync($) {
		3451	$uuid_skip ||= $_[0];
		3452
		3453	return if $uuid_lock;
		3454	local $uuid_lock = 1;
		3455
		3456	my $uuid = "$LOCALDIR/uuid";
		3457
		3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3459	or return;
		3460
		3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3462	$uuid_skip = 0;
		3463
		3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3465	and return;
		3466
		3467	# always fsync - this file is important
		3468	aio_fsync $fh
		3469	and return;
		3470
		3471	close $fh
		3472	or return;
		3473
		3474	aio_rename "$uuid~", $uuid
		3475	and return;
		3476
		3477	warn "uuid file written ($value).\n";
		3478
		3479	1
		3480
		3481	}
		3482
		3483	sub write_uuid($$) {
		3484	my ($skip, $sync) = @_;
		3485
		3486	$sync ? write_uuid_sync $skip
		3487	: async { write_uuid_sync $skip };
2362	}	3488	}
2363		3489
2364	sub emergency_save() {	3490	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	3491	my $freeze_guard = cf::freeze_mainloop;
2366		3492
…		…
2372	# and maps saved/destroyed asynchronously.	3498	# and maps saved/destroyed asynchronously.
2373	warn "begin emergency player save\n";	3499	warn "begin emergency player save\n";
2374	for my $login (keys %cf::PLAYER) {	3500	for my $login (keys %cf::PLAYER) {
2375	my $pl = $cf::PLAYER{$login} or next;	3501	my $pl = $cf::PLAYER{$login} or next;
2376	$pl->valid or next;	3502	$pl->valid or next;
		3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2377	$pl->save;	3504	$pl->save;
2378	}	3505	}
2379	warn "end emergency player save\n";	3506	warn "end emergency player save\n";
2380		3507
2381	warn "begin emergency map save\n";	3508	warn "begin emergency map save\n";
…		…
2387	warn "end emergency map save\n";	3514	warn "end emergency map save\n";
2388		3515
2389	warn "begin emergency database checkpoint\n";	3516	warn "begin emergency database checkpoint\n";
2390	BDB::db_env_txn_checkpoint $DB_ENV;	3517	BDB::db_env_txn_checkpoint $DB_ENV;
2391	warn "end emergency database checkpoint\n";	3518	warn "end emergency database checkpoint\n";
		3519
		3520	warn "begin write uuid\n";
		3521	write_uuid_sync 1;
		3522	warn "end write uuid\n";
2392	};	3523	};
2393		3524
2394	warn "leave emergency perl save\n";	3525	warn "leave emergency perl save\n";
2395	}	3526	}
2396		3527
…		…
2399		3530
2400	warn Carp::longmess "post_cleanup backtrace"	3531	warn Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3532	if $make_core;
2402	}	3533	}
2403		3534
2404	sub reload() {	3535	sub do_reload_perl() {
2405	# can/must only be called in main	3536	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	3537	if ($Coro::current != $Coro::main) {
2407	warn "can only reload from main coroutine";	3538	warn "can only reload from main coroutine";
2408	return;	3539	return;
2409	}	3540	}
…		…
2420	warn "syncing database to disk";	3551	warn "syncing database to disk";
2421	BDB::db_env_txn_checkpoint $DB_ENV;	3552	BDB::db_env_txn_checkpoint $DB_ENV;
2422		3553
2423	# if anything goes wrong in here, we should simply crash as we already saved	3554	# if anything goes wrong in here, we should simply crash as we already saved
2424		3555
2425	warn "cancelling all WF_AUTOCANCEL watchers";
2426	for (Event::all_watchers) {
2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2428	}
2429
2430	warn "flushing outstanding aio requests";	3556	warn "flushing outstanding aio requests";
2431	for (;;) {	3557	for (;;) {
2432	BDB::flush;	3558	BDB::flush;
2433	IO::AIO::flush;	3559	IO::AIO::flush;
2434	Coro::cede;	3560	Coro::cede_notself;
2435	last unless IO::AIO::nreqs || BDB::nreqs;	3561	last unless IO::AIO::nreqs || BDB::nreqs;
2436	warn "iterate...";	3562	warn "iterate...";
2437	}	3563	}
2438		3564
2439	++$RELOAD;	3565	++$RELOAD;
…		…
2443	%EXT_CORO = ();	3569	%EXT_CORO = ();
2444		3570
2445	warn "removing commands";	3571	warn "removing commands";
2446	%COMMAND = ();	3572	%COMMAND = ();
2447		3573
2448	warn "removing ext commands";	3574	warn "removing ext/exti commands";
2449	%EXTCMD = ();	3575	%EXTCMD = ();
		3576	%EXTICMD = ();
2450		3577
2451	warn "unloading/nuking all extensions";	3578	warn "unloading/nuking all extensions";
2452	for my $pkg (@EXTS) {	3579	for my $pkg (@EXTS) {
2453	warn "... unloading $pkg";	3580	warn "... unloading $pkg";
2454		3581
…		…
2484	Symbol::delete_package "safe::$_"	3611	Symbol::delete_package "safe::$_"
2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3612	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2486		3613
2487	warn "unloading cf.pm \"a bit\"";	3614	warn "unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	3615	delete $INC{"cf.pm"};
		3616	delete $INC{"cf/pod.pm"};
2489		3617
2490	# don't, removes xs symbols, too,	3618	# don't, removes xs symbols, too,
2491	# and global variables created in xs	3619	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	3620	#Symbol::delete_package __PACKAGE__;
2493		3621
…		…
2496	warn "reloading cf.pm";	3624	warn "reloading cf.pm";
2497	require cf;	3625	require cf;
2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2499		3627
2500	warn "loading config and database again";	3628	warn "loading config and database again";
2501	cf::cfg_load;	3629	cf::reload_config;
2502		3630
2503	warn "loading extensions";	3631	warn "loading extensions";
2504	cf::load_extensions;	3632	cf::load_extensions;
2505		3633
2506	warn "reattaching attachments to objects/players";	3634	warn "reattaching attachments to objects/players";
…		…
2508	warn "reattaching attachments to maps";	3636	warn "reattaching attachments to maps";
2509	reattach $_ for values %MAP;	3637	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	3638	warn "reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	3639	reattach $_ for values %PLAYER;
2512		3640
2513	warn "loading reloadable resources";
2514	reload_resources;
2515
2516	warn "leaving sync_job";	3641	warn "leaving sync_job";
2517		3642
2518	1	3643	1
2519	} or do {	3644	} or do {
2520	warn $@;	3645	warn $@;
2521	warn "error while reloading, exiting.";	3646	cf::cleanup "error while reloading, exiting.";
2522	exit 1;
2523	};	3647	};
2524		3648
2525	warn "reloaded";	3649	warn "reloaded";
2526	};	3650	};
2527		3651
2528	our $RELOAD_WATCHER; # used only during reload	3652	our $RELOAD_WATCHER; # used only during reload
2529		3653
		3654	sub reload_perl() {
		3655	# doing reload synchronously and two reloads happen back-to-back,
		3656	# coro crashes during coro_state_free->destroy here.
		3657
		3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3659	do_reload_perl;
		3660	undef $RELOAD_WATCHER;
		3661	};
		3662	}
		3663
2530	register_command "reload" => sub {	3664	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	3665	my ($who, $arg) = @_;
2532		3666
2533	if ($who->flag (FLAG_WIZ)) {	3667	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	3668	$who->message ("reloading server.");
2535		3669	async {
2536	# doing reload synchronously and two reloads happen back-to-back,	3670	$Coro::current->{desc} = "perl_reload";
2537	# coro crashes during coro_state_free->destroy here.
2538
2539	$RELOAD_WATCHER ||= Event->timer (
2540	reentrant => 0,
2541	after => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => sub {
2544	reload;	3671	reload_perl;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);	3672	};
2548	}	3673	}
2549	};	3674	};
2550		3675
2551	unshift @INC, $LIBDIR;	3676	unshift @INC, $LIBDIR;
2552		3677
2553	my $bug_warning = 0;	3678	my $bug_warning = 0;
2554		3679
2555	$TICK_WATCHER = Event->timer (	3680	our @WAIT_FOR_TICK;
2556	reentrant => 0,	3681	our @WAIT_FOR_TICK_BEGIN;
2557	parked => 1,	3682
2558	prio => 0,	3683	sub wait_for_tick {
2559	at => $NEXT_TICK || $TICK,	3684	return if tick_inhibit;
2560	data => WF_AUTOCANCEL,	3685	return if $Coro::current == $Coro::main;
2561	cb => sub {	3686
		3687	my $signal = new Coro::Signal;
		3688	push @WAIT_FOR_TICK, $signal;
		3689	$signal->wait;
		3690	}
		3691
		3692	sub wait_for_tick_begin {
		3693	return if tick_inhibit;
		3694	return if $Coro::current == $Coro::main;
		3695
		3696	my $signal = new Coro::Signal;
		3697	push @WAIT_FOR_TICK_BEGIN, $signal;
		3698	$signal->wait;
		3699	}
		3700
		3701	sub tick {
2562	if ($Coro::current != $Coro::main) {	3702	if ($Coro::current != $Coro::main) {
2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564	unless ++$bug_warning > 10;	3704	unless ++$bug_warning > 10;
2565	return;	3705	return;
2566	}	3706	}
2567		3707
2568	$NOW = Event::time;
2569
2570	cf::server_tick; # one server iteration	3708	cf::server_tick; # one server iteration
2571	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;
2573		3709
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2576	Coro::async_pool {	3712	Coro::async_pool {
		3713	$Coro::current->{desc} = "runtime saver";
2577	write_runtime	3714	write_runtime
2578	or warn "ERROR: unable to write runtime file: $!";	3715	or warn "ERROR: unable to write runtime file: $!";
2579	};
2580	}	3716	};
2581
2582	$WAIT_FOR_TICK->broadcast;
2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584
2585	# my $AFTER = Event::time;
2586	# warn $AFTER - $NOW;#d#
2587
2588	# if we are delayed by four ticks or more, skip them all
2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2590
2591	$TICK_WATCHER->at ($NEXT_TICK);
2592	$TICK_WATCHER->start;
2593	},	3717	}
2594	);	3718
		3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3720	$sig->send;
		3721	}
		3722	while (my $sig = shift @WAIT_FOR_TICK) {
		3723	$sig->send;
		3724	}
		3725
		3726	$LOAD = ($NOW - $TICK_START) / $TICK;
		3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3728
		3729	if (0) {
		3730	if ($NEXT_TICK) {
		3731	my $jitter = $TICK_START - $NEXT_TICK;
		3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3733	warn "jitter $JITTER\n";#d#
		3734	}
		3735	}
		3736	}
2595		3737
2596	{	3738	{
2597	BDB::max_poll_time $TICK * 0.1;	3739	# configure BDB
2598	$BDB_POLL_WATCHER = Event->io (	3740
2599	reentrant => 0,
2600	fd => BDB::poll_fileno,
2601	poll => 'r',
2602	prio => 0,
2603	data => WF_AUTOCANCEL,
2604	cb => \&BDB::poll_cb,
2605	);
2606	BDB::min_parallel 8;	3741	BDB::min_parallel 8;
2607		3742	BDB::max_poll_reqs $TICK * 0.1;
2608	BDB::set_sync_prepare {	3743	$Coro::BDB::WATCHER->priority (1);
2609	my $status;
2610	my $current = $Coro::current;
2611	(
2612	sub {
2613	$status = $!;
2614	$current->ready; undef $current;
2615	},
2616	sub {
2617	Coro::schedule while defined $current;
2618	$! = $status;
2619	},
2620	)
2621	};
2622		3744
2623	unless ($DB_ENV) {	3745	unless ($DB_ENV) {
2624	$DB_ENV = BDB::db_env_create;	3746	$DB_ENV = BDB::db_env_create;
		3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3748	| BDB::LOG_AUTOREMOVE, 1);
		3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2625		3751
2626	cf::sync_job {	3752	cf::sync_job {
2627	eval {	3753	eval {
2628	BDB::db_env_open	3754	BDB::db_env_open
2629	$DB_ENV,	3755	$DB_ENV,
2630	$BDB_ENV_DIR,	3756	$BDBDIR,
2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3757	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3758	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	3759	0666;
2634		3760
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3761	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636
2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638	$DB_ENV->set_lk_detect;
2639	};	3762	};
2640		3763
2641	cf::cleanup "db_env_open(db): $@" if $@;	3764	cf::cleanup "db_env_open(db): $@" if $@;
2642	};	3765	};
2643	}	3766	}
		3767
		3768	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3769	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3770	};
		3771	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3772	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3773	};
		3774	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3775	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3776	};
2644	}	3777	}
2645		3778
2646	{	3779	{
		3780	# configure IO::AIO
		3781
2647	IO::AIO::min_parallel 8;	3782	IO::AIO::min_parallel 8;
2648
2649	undef $Coro::AIO::WATCHER;
2650	IO::AIO::max_poll_time $TICK * 0.1;	3783	IO::AIO::max_poll_time $TICK * 0.1;
2651	$AIO_POLL_WATCHER = Event->io (	3784	$Coro::AIO::WATCHER->priority (1);
2652	reentrant => 0,
2653	data => WF_AUTOCANCEL,
2654	fd => IO::AIO::poll_fileno,
2655	poll => 'r',
2656	prio => 6,
2657	cb => \&IO::AIO::poll_cb,
2658	);
2659	}	3785	}
		3786
		3787	my $_log_backtrace;
		3788
		3789	sub _log_backtrace {
		3790	my ($msg, @addr) = @_;
		3791
		3792	$msg =~ s/\n//;
		3793
		3794	# limit the # of concurrent backtraces
		3795	if ($_log_backtrace < 2) {
		3796	++$_log_backtrace;
		3797	async {
		3798	$Coro::current->{desc} = "abt $msg";
		3799
		3800	my @bt = fork_call {
		3801	@addr = map { sprintf "%x", $_ } @addr;
		3802	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3803	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3804	or die "addr2line: $!";
		3805
		3806	my @funcs;
		3807	my @res = <$fh>;
		3808	chomp for @res;
		3809	while (@res) {
		3810	my ($func, $line) = splice @res, 0, 2, ();
		3811	push @funcs, "[$func] $line";
		3812	}
		3813
		3814	@funcs
		3815	};
		3816
		3817	LOG llevInfo, "[ABT] $msg\n";
		3818	LOG llevInfo, "[ABT] $_\n" for @bt;
		3819	--$_log_backtrace;
		3820	};
		3821	} else {
		3822	LOG llevInfo, "[ABT] $msg\n";
		3823	LOG llevInfo, "[ABT] [suppressed]\n";
		3824	}
		3825	}
		3826
		3827	# load additional modules
		3828	use cf::pod;
2660		3829
2661	END { cf::emergency_save }	3830	END { cf::emergency_save }
2662		3831
2663	1	3832	1
2664		3833

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