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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44		68
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
46		87
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		89
49	our %COMMAND = ();	90	our %COMMAND = ();
50	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
51		92
52	our @EXTS = (); # list of extension package names	93	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	94	our %EXTCMD = ();
		95	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
56		98
57	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
58	our @EVENT;	100	our @EVENT;
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	107	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	111	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
71		117
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	120	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	126	our $DB_ENV;
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
98		145
99	binmode STDOUT;	146	binmode STDOUT;
100	binmode STDERR;	147	binmode STDERR;
101		148
102	# read virtual server time, if available	149	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	151	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
107	}	154	}
108		155
109	mkdir $_	156	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		202
156	The raw value load value from the last tick.	203	The raw value load value from the last tick.
157		204
158	=item %cf::CFG	205	=item %cf::CFG
159		206
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	208	from wherever your confdir points to.
162		209
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		211
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	213	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		215
		216	=item @cf::INVOKE_RESULTS
		217
		218	This array contains the results of the last C<invoke ()> call. When
		219	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		220	that call.
		221
169	=back	222	=back
170		223
171	=cut	224	=cut
172		225
173	BEGIN {	226	BEGIN {
…		…
177	$msg .= "\n"	230	$msg .= "\n"
178	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
179		232
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		234
182	utf8::encode $msg;
183	LOG llevError, $msg;	235	LOG llevError, $msg;
184	};	236	};
185	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
186		253
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	264	for my $pkg (qw(
198	cf::global cf::attachable	265	cf::global cf::attachable
199	cf::object cf::object::player	266	cf::object cf::object::player
200	cf::client cf::player	267	cf::client cf::player
201	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
202	cf::map cf::party cf::region	270	cf::party cf::region
203	)) {	271	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	273	}
207		274
208	$Event::DIED = sub {	275	$EV::DIED = sub {
209	warn "error in event callback: @_";	276	warn "error in event callback: @_";
210	};	277	};
211		278
212	#############################################################################	279	#############################################################################
213		280
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	304	$d
238	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
239	}	306	}
240		307
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
244		309
245	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
246		311
247	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
248		313
249	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
		315
		316	=cut
		317
		318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		319
		320	sub encode_json($) { $json_coder->encode ($_[0]) }
		321	sub decode_json($) { $json_coder->decode ($_[0]) }
250		322
251	=item cf::lock_wait $string	323	=item cf::lock_wait $string
252		324
253	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
254		326
…		…
257	Wait until the given lock is available and then acquires it and returns	329	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	330	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
260	returned.	332	returned.
261		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
262	Lock names should begin with a unique identifier (for example, cf::map::find	337	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
264		339
265	=item $locked = cf::lock_active $string	340	=item $locked = cf::lock_active $string
266		341
267	Return true if the lock is currently active, i.e. somebody has locked it.	342	Return true if the lock is currently active, i.e. somebody has locked it.
268		343
269	=cut	344	=cut
270		345
271	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
272		348
273	sub lock_wait($) {	349	sub lock_wait($) {
274	my ($key) = @_;	350	my ($key) = @_;
		351
		352	if ($LOCKER{$key} == $Coro::current) {#d#
		353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		354	return;#d#
		355	}#d#
275		356
276	# wait for lock, if any	357	# wait for lock, if any
277	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;	360	Coro::schedule;
…		…
285		366
286	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
287	lock_wait $key;	368	lock_wait $key;
288		369
289	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
290		372
291	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
292	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
294	}	377	}
295	}	378	}
296		379
…		…
299		382
300	! ! $LOCK{$key}	383	! ! $LOCK{$key}
301	}	384	}
302		385
303	sub freeze_mainloop {	386	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
305		388
306	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
307	$TICK_WATCHER->start;	390	}
		391
		392	=item cf::periodic $interval, $cb
		393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
308	};	450	}
309	$TICK_WATCHER->stop;	451	};
310	$guard	452
		453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
		456	my ($time, $pri, $name) = @_;
		457
		458	$time = $TICK * .6 if $time > $TICK * .6;
		459	my $sig = new Coro::Signal;
		460
		461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		463	$SLOT_QUEUE->ready;
		464	$sig->wait;
311	}	465	}
312		466
313	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
314		468
315	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		474
321	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
322		476
323	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
324		478
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	479	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	480	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	482	acceptable.
329		483
330	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		490
337	sub sync_job(&) {	491	sub sync_job(&) {
338	my ($job) = @_;	492	my ($job) = @_;
339		493
340	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	495	my $time = EV::time;
342		496
343	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
345		499
346	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	501
348	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
349		503
350	my $busy = 1;	504	my $busy = 1;
351	my @res;	505	my @res;
352		506
353	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	509	@res = eval { $job->() };
355	warn $@ if $@;	510	warn $@ if $@;
356	undef $busy;	511	undef $busy;
357	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
358		513
359	while ($busy) {	514	while ($busy) {
360	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
361	}	519	}
		520	}
362		521
363	$time = Event::time - $time;	522	my $time = EV::time - $time;
364		523
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	524	$TICK_START += $time; # do not account sync jobs to server load
369		525
370	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
371	} else {	527	} else {
372	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
373		529
…		…
398	=item fork_call { }, $args	554	=item fork_call { }, $args
399		555
400	Executes the given code block with the given arguments in a seperate	556	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	557	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	558	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	559	never block itself or use any form of event handling.
404		560
405	=cut	561	=cut
406		562
407	sub fork_call(&@) {	563	sub fork_call(&@) {
408	my ($cb, @args) = @_;	564	my ($cb, @args) = @_;
409		565
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	566	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	567	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	568	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		569
415	if (my $pid = fork) {	570	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	571	reset_signals;
428	local $SIG{__WARN__};	572	&$cb
429	local $SIG{__DIE__};	573	}, @args;
430	eval {
431	close $fh1;
432		574
433	my @res = eval { $cb->(@args) };	575	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	576	}
435	};
436		577
437	warn $@ if $@;	578	=item $coin = coin_from_name $name
438	_exit 0;	579
439	}	580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
440	}	603	}
441		604
442	=item $value = cf::db_get $family => $key	605	=item $value = cf::db_get $family => $key
443		606
444	Returns a single value from the environment database.	607	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	609	=item cf::db_put $family => $key => $value
447		610
448	Stores the given C<$value> in the family. It can currently store binary	611	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	612	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		613
		614	=item $db = cf::db_table "name"
		615
		616	Create and/or open a new database table. The string must not be "db" and must be unique
		617	within each server.
		618
451	=cut	619	=cut
		620
		621	sub db_table($) {
		622	my ($name) = @_;
		623	my $db = BDB::db_create $DB_ENV;
		624
		625	eval {
		626	$db->set_flags (BDB::CHKSUM);
		627
		628	utf8::encode $name;
		629	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		630	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		631	cf::cleanup "db_open(db): $!" if $!;
		632	};
		633	cf::cleanup "db_open(db): $@" if $@;
		634
		635	$db
		636	}
452		637
453	our $DB;	638	our $DB;
454		639
455	sub db_init {	640	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	641	cf::sync_job {
460	eval {	642	$DB ||= db_table "db";
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}	643	};
470	}	644	}
471		645
472	sub db_get($$) {	646	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	647	my $key = "$_[0]/$_[1]";
474		648
…		…
524	if (1) {	698	if (1) {
525	$md5 =	699	$md5 =
526	join "\x00",	700	join "\x00",
527	$processversion,	701	$processversion,
528	map {	702	map {
529	Coro::cede;	703	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	704	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	705	} 0.. $#$src;
532		706
533		707
534	my $dbmd5 = db_get cache => "$id/md5";	708	my $dbmd5 = db_get cache => "$id/md5";
…		…
572		746
573	#############################################################################	747	#############################################################################
574		748
575	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
576		750
577	Many objects in crossfire are so-called attachable objects. That means you can	751	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
580		754
581	In the following description, CLASS can be any of C<global>, C<object>	755	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	757	Deliantra).
584		758
585	=over 4	759	=over 4
586		760
587	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
588		762
…		…
632	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
633		807
634	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
636		810
637	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	812	that are attached at load/instantiate time, thus the need for a name.
639		813
640	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
641		815
642	=over 4	816	=over 4
…		…
840	";	1014	";
841	die if $@;	1015	die if $@;
842	}	1016	}
843		1017
844	our $override;	1018	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1019	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1020
847	sub override {	1021	sub override {
848	$override = 1;	1022	$override = 1;
849	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
850	}	1024	}
851		1025
852	sub do_invoke {	1026	sub do_invoke {
853	my $event = shift;	1027	my $event = shift;
854	my $callbacks = shift;	1028	my $callbacks = shift;
855		1029
856	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
857		1031
858	local $override;	1032	local $override;
859		1033
860	for (@$callbacks) {	1034	for (@$callbacks) {
861	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
870	}	1044	}
871		1045
872	0	1046	0
873	}	1047	}
874		1048
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1050
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1052
879	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
880		1054
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1055	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1056	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1058
885	=back	1059	=back
886		1060
887	=cut	1061	=cut
888		1062
889	#############################################################################	1063	#############################################################################
890	# object support	1064	# object support
		1065
		1066	sub _object_equal($$);
		1067	sub _object_equal($$) {
		1068	my ($a, $b) = @_;
		1069
		1070	return 0 unless (ref $a) eq (ref $b);
		1071
		1072	if ("HASH" eq ref $a) {
		1073	my @ka = keys %$a;
		1074	my @kb = keys %$b;
		1075
		1076	return 0 if @ka != @kb;
		1077
		1078	for (0 .. $#ka) {
		1079	return 0 unless $ka[$_] eq $kb[$_];
		1080	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1081	}
		1082
		1083	} elsif ("ARRAY" eq ref $a) {
		1084
		1085	return 0 if @$a != @$b;
		1086
		1087	for (0 .. $#$a) {
		1088	return 0 unless _object_equal $a->[$_], $b->[$_];
		1089	}
		1090
		1091	} elsif ($a ne $b) {
		1092	return 0;
		1093	}
		1094
		1095	1
		1096	}
		1097
		1098	our $SLOW_MERGES;#d#
		1099	sub _can_merge {
		1100	my ($ob1, $ob2) = @_;
		1101
		1102	++$SLOW_MERGES;#d#
		1103
		1104	# we do the slow way here
		1105	return _object_equal $ob1, $ob2
		1106	}
891		1107
892	sub reattach {	1108	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1110	my ($obj) = @_;
895		1111
		1112	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1114
898	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
899		1116
900	@$registry = ();	1117	@$registry = ();
901		1118
…		…
916	cf::attachable->attach (	1133	cf::attachable->attach (
917	prio => -1000000,	1134	prio => -1000000,
918	on_instantiate => sub {	1135	on_instantiate => sub {
919	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
920		1137
921	$data = from_json $data;	1138	$data = decode_json $data;
922		1139
923	for (@$data) {	1140	for (@$data) {
924	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
925		1142
926	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1159	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
944		1161
945	sync_job {	1162	sync_job {
946	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
949		1167
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
954	close $fh;	1172	aio_close $fh;
955		1173
956	if (@$objs) {	1174	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
962	close $fh;	1180	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
964	}	1182	}
965	} else {	1183	} else {
966	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
967	}	1185	}
…		…
972	}	1190	}
973	} else {	1191	} else {
974	aio_unlink $filename;	1192	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
976	}	1194	}
977	}	1195	};
978	}	1196	}
979		1197
980	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
982		1200
…		…
994	or return;	1212	or return;
995		1213
996	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
998	or return;	1216	or return;
		1217
999	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
1000	}	1220	}
1001		1221
		1222	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1224	$decname, length $data, scalar @{$av || []};
		1225
1004	return ($data, $av);	1226	($data, $av)
1005	}	1227	}
1006		1228
1007	=head2 COMMAND CALLBACKS	1229	=head2 COMMAND CALLBACKS
1008		1230
1009	=over 4	1231	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1252	}
1031		1253
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1255
1034	Register a callback fro execution when the client sends an extcmd packet.	1256	Register a callback for execution when the client sends an (synchronous)
		1257	extcmd packet. Ext commands will be processed in the order they are
		1258	received by the server, like other user commands. The first argument is
		1259	the logged-in player. Ext commands can only be processed after a player
		1260	has logged in successfully.
1035		1261
1036	If the callback returns something, it is sent back as if reply was being	1262	If the callback returns something, it is sent back as if reply was being
1037	called.	1263	called.
1038		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
1039	=cut	1276	=cut
1040		1277
1041	sub register_extcmd {	1278	sub register_extcmd {
1042	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
1043		1280
1044	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
1045	}	1288	}
1046		1289
1047	cf::player->attach (	1290	cf::player->attach (
1048	on_command => sub {	1291	on_command => sub {
1049	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
1058	cf::override;	1301	cf::override;
1059	},	1302	},
1060	on_extcmd => sub {	1303	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
1062		1305
1063	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1307
1065	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
1071	} else {	1323	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1325	}
1074		1326
1075	cf::override;	1327	cf::override;
…		…
1102		1354
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1357
1106	$ext{source} =	1358	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1360	. "#line 1 \"$path\"\n{\n"
1109	. $source	1361	. $source
1110	. "\n};\n1";	1362	. "\n};\n1";
1111		1363
1112	$todo{$base} = \%ext;	1364	$todo{$base} = \%ext;
…		…
1128	my $msg = $@ ? "$v->{path}: $@\n"	1380	my $msg = $@ ? "$v->{path}: $@\n"
1129	: "$v->{base}: extension inactive.\n";	1381	: "$v->{base}: extension inactive.\n";
1130		1382
1131	if (exists $v->{meta}{mandatory}) {	1383	if (exists $v->{meta}{mandatory}) {
1132	warn $msg;	1384	warn $msg;
1133	warn "mandatory extension failed to load, exiting.\n";	1385	cf::cleanup "mandatory extension failed to load, exiting.";
1134	exit 1;
1135	}	1386	}
1136		1387
1137	warn $msg;	1388	warn $msg;
1138	}	1389	}
1139		1390
…		…
1153		1404
1154	=back	1405	=back
1155		1406
1156	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
1157		1408
1158	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
1159		1410
1160	=cut	1411	=cut
1161		1412
1162	package cf::player;	1413	package cf::player;
1163		1414
1164	use Coro::AIO;	1415	use Coro::AIO;
1165		1416
1166	=head3 cf::player	1417	=head3 cf::player
1167		1418
1168	=over 4	1419	=over 4
		1420
		1421	=item cf::player::num_playing
		1422
		1423	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1424
		1425	=cut
		1426
		1427	sub num_playing {
		1428	scalar grep
		1429	$_->ob->map
		1430	&& !$_->hidden
		1431	&& !$_->ob->flag (cf::FLAG_WIZ),
		1432	cf::player::list
		1433	}
1169		1434
1170	=item cf::player::find $login	1435	=item cf::player::find $login
1171		1436
1172	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
1173		1438
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1478
1214	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1480	or return;
		1481
		1482	my $pl = cf::player::load_pl $f
		1483	or return;
		1484
		1485	local $cf::PLAYER_LOADING{$login} = $pl;
		1486	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1217	}	1488	}
1218	}	1489	}
1219	}	1490	}
1220		1491
…		…
1229	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1230		1501
1231	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1233		1504
		1505	cf::get_slot 0.01;
		1506
1234	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1235	Coro::cede;	1508	cf::cede_to_tick;
1236	}	1509	}
1237		1510
1238	sub new($) {	1511	sub new($) {
1239	my ($login) = @_;	1512	my ($login) = @_;
1240		1513
…		…
1246	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1247		1520
1248	$self	1521	$self
1249	}	1522	}
1250		1523
		1524	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1525
		1526	=cut
		1527
		1528	sub send_msg {
		1529	my $ns = shift->ns
		1530	or return;
		1531	$ns->send_msg (@_);
		1532	}
		1533
1251	=item $pl->quit_character	1534	=item $pl->quit_character
1252		1535
1253	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1255		1538
…		…
1259	my ($pl) = @_;	1542	my ($pl) = @_;
1260		1543
1261	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1262		1545
1263	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1548
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1270		1555
1271	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1593	or return [];
1309		1594
1310	my @logins;	1595	my @logins;
1311		1596
1312	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
		1598	my $path = path $login;
		1599
		1600	# a .pst is a dead give-away for a valid player
		1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1316		1607
1317	utf8::decode $login;	1608	utf8::decode $login;
1318	push @logins, $login;	1609	push @logins, $login;
1319	}	1610	}
1320		1611
…		…
1347	}	1638	}
1348		1639
1349	\@paths	1640	\@paths
1350	}	1641	}
1351		1642
		1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1644
		1645	Expand deliantra pod fragments into protocol xml.
		1646
1352	=item $player->ext_reply ($msgid, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1353		1648
1354	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1355		1650
1356	=cut	1651	=cut
1357		1652
1358	sub ext_reply($$%) {	1653	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1360		1655
1361	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1657	}
1365		1658
1366	=item $player->ext_event ($type, %msg)	1659	=item $player->ext_msg ($type, @msg)
1367		1660
1368	Sends an ext event to the client.	1661	Sends an ext event to the client.
1369		1662
1370	=cut	1663	=cut
1371		1664
1372	sub ext_event($$%) {	1665	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1666	my ($self, $type, @msg) = @_;
1374		1667
1375	$self->ns->ext_event ($type, %msg);	1668	$self->ns->ext_msg ($type, @msg);
1376	}	1669	}
1377		1670
1378	=head3 cf::region	1671	=head3 cf::region
1379		1672
1380	=over 4	1673	=over 4
…		…
1393	my ($path) = @_;	1686	my ($path) = @_;
1394		1687
1395	my ($match, $specificity);	1688	my ($match, $specificity);
1396		1689
1397	for my $region (list) {	1690	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1691	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1692	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1693	if $region->specificity > $specificity;
1401	}	1694	}
1402	}	1695	}
1403		1696
…		…
1424	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1426		1719
1427	sub generate_random_map {	1720	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1429	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1726	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1523	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1524	return $self;	1820	return $self;
1525	}	1821	}
1526	}	1822	}
1527		1823
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1825	()
1530	}	1826	}
1531		1827
1532	sub init {	1828	sub init {
1533	my ($self) = @_;	1829	my ($self) = @_;
…		…
1555		1851
1556	# the temporary/swap location	1852	# the temporary/swap location
1557	sub save_path {	1853	sub save_path {
1558	my ($self) = @_;	1854	my ($self) = @_;
1559		1855
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1562	}	1858	}
1563		1859
1564	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1565	sub uniq_path {	1861	sub uniq_path {
1566	my ($self) = @_;	1862	my ($self) = @_;
1567		1863
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1570	}	1866	}
1571		1867
1572	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1573	# all maps in C++...	1869	# all maps in C++...
…		…
1596		1892
1597	sub load_header_from($) {	1893	sub load_header_from($) {
1598	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1599		1895
1600	utf8::encode $path;	1896	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1606		1905
1607	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1608		1907
1609	1	1908	1
1610	}	1909	}
…		…
1664	sub find {	1963	sub find {
1665	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1666		1965
1667	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1668		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1670		1970
1671	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1672	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1673	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1674	or return;	1976	or return;
1675		1977
1676	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1677		1979
…		…
1679	or return;	1981	or return;
1680		1982
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1684	$map->reset;	1988	$map->reset;
1685	undef $guard;
1686	return find $path;	1989	return find $path;
1687	}	1990	}
1688		1991
1689	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1690	}	1993	}
…		…
1699	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1700		2003
1701	my $path = $self->{path};	2004	my $path = $self->{path};
1702		2005
1703	{	2006	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1705		2008
		2009	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		2011
1708	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1709		2013
1710	$self->alloc;	2014	$self->alloc;
1711		2015
1712	$self->pre_load;	2016	$self->pre_load;
1713	Coro::cede;	2017	cf::cede_to_tick;
1714		2018
		2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2021	$self->_load_objects ($f)
1716	or return;	2022	or return;
1717		2023
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1719	if delete $self->{load_original};	2025	if delete $self->{load_original};
1720		2026
1721	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2028	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2031	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1726	}	2035	}
1727	}	2036	}
1728		2037
1729	Coro::cede;	2038	$f->resolve_delayed_derefs;
		2039
		2040	cf::cede_to_tick;
1730	# now do the right thing for maps	2041	# now do the right thing for maps
1731	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2044	unless $self->difficulty;
1734	Coro::cede;	2045	cf::cede_to_tick;
1735		2046
1736	unless ($self->{deny_activate}) {	2047	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2048	$self->decay_objects;
1738	$self->fix_auto_apply;	2049	$self->fix_auto_apply;
1739	$self->update_buttons;	2050	$self->update_buttons;
1740	Coro::cede;	2051	cf::cede_to_tick;
1741	$self->set_darkness_map;	2052	$self->set_darkness_map;
1742	Coro::cede;	2053	cf::cede_to_tick;
1743	$self->activate;	2054	$self->activate;
1744	}	2055	}
1745		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2061	}
1748		2062
1749	$self->post_load;	2063	$self->post_load;
1750	}	2064	}
1751		2065
…		…
1760		2074
1761	$self	2075	$self
1762	}	2076	}
1763		2077
1764	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2079	sub load_neighbours {
1766	my ($map) = @_;	2080	my ($map) = @_;
1767		2081
1768	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1769		2083
1770	for (0 .. 3) {	2084	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1772	or next;	2086	or next;
1773	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1774	or next;	2088	or next;
1775	$neigh->load;	2089	$neigh->load;
1776		2090
		2091	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2094	}
1780		2095
1781	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1783	or next;	2099	or next;
1784	$neigh->load;	2100	$neigh->load;
1785	}	2101	}
1786	}	2102	}
1787		2103
…		…
1792	}	2108	}
1793		2109
1794	sub do_load_sync {	2110	sub do_load_sync {
1795	my ($map) = @_;	2111	my ($map) = @_;
1796		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1797	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1798	}	2117	}
1799		2118
1800	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1802		2121
1803	sub find_async {	2122	sub find_async {
1804	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1805		2124
1806	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1807		2126
1808	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2129	}
1811		2130
1812	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1813	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1814	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2138	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2139	$map->load if $v;
		2140	}
1819		2141
1820	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1821	}	2143	}
1822	}	2144	}
1823	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1824	};	2146	};
1825	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1828	}	2150	}
1829		2151
1830	sub save {	2152	sub save {
1831	my ($self) = @_;	2153	my ($self) = @_;
1832		2154
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1834		2156
1835	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1836		2158
1837	return unless $self->dirty;	2159	return unless $self->dirty;
1838		2160
…		…
1844	return if $self->{deny_save};	2166	return if $self->{deny_save};
1845		2167
1846	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1847		2169
1848	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1850	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1851		2176
1852	if ($uniq) {	2177	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2180	} else {
…		…
1861	my ($self) = @_;	2186	my ($self) = @_;
1862		2187
1863	# save first because save cedes	2188	# save first because save cedes
1864	$self->save;	2189	$self->save;
1865		2190
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2192
1868	return if $self->players;	2193	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1870	return if $self->{deny_save};	2195	return if $self->{deny_save};
1871		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1872	$self->clear;	2201	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2202	}
1875		2203
1876	sub reset_at {	2204	sub reset_at {
1877	my ($self) = @_;	2205	my ($self) = @_;
1878		2206
…		…
1910	if $uniq;	2238	if $uniq;
1911	}	2239	}
1912		2240
1913	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1914		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2245	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2246
1919	$self->unlink_save;	2247	$self->unlink_save;
1920	$self->destroy;	2248	$self->destroy;
1921	}	2249	}
1922		2250
1923	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1924		2252
1925	sub nuke {	2253	sub nuke {
1926	my ($self) = @_;	2254	my ($self) = @_;
1927		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1928	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1929		2260
1930	$self->unlink_save;	2261	$self->unlink_save;
1931		2262
1932	bless $self, "cf::map";	2263	bless $self, "cf::map";
1933	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2268
1938	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1939		2271
1940	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
1941	}	2273	}
1942		2274
1943	=item $maps = cf::map::tmp_maps	2275	=item $maps = cf::map::tmp_maps
…		…
1985		2317
1986	sub unique_maps() {	2318	sub unique_maps() {
1987	[	2319	[
1988	map {	2320	map {
1989	utf8::decode $_;	2321	utf8::decode $_;
1990	/\.map$/	2322	s/\.map$//; # TODO future compatibility hack
		2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2324	? ()
1991	? normalise $_	2325	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2327	]
1995	}	2328	}
1996		2329
1997	package cf;
1998
1999	=back	2330	=back
2000		2331
2001	=head3 cf::object	2332	=head3 cf::object
2002		2333
2003	=cut	2334	=cut
…		…
2006		2337
2007	=over 4	2338	=over 4
2008		2339
2009	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
2010		2341
2011	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
2012		2344
2013	=cut	2345	=cut
2014		2346
2015	sub inv_recursive_;	2347	sub inv_recursive_;
2016	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
2019		2351
2020	sub inv_recursive {	2352	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
2022	}	2354	}
2023		2355
		2356	=item $ref = $ob->ref
		2357
		2358	Creates and returns a persistent reference to an object that can be stored as a string.
		2359
		2360	=item $ob = cf::object::deref ($refstring)
		2361
		2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2363	even if the object actually exists. May block.
		2364
		2365	=cut
		2366
		2367	sub deref {
		2368	my ($ref) = @_;
		2369
		2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2371	my ($uuid, $name) = ($1, $2);
		2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2373	or return;
		2374	$pl->ob->uuid eq $uuid
		2375	or return;
		2376
		2377	$pl->ob
		2378	} else {
		2379	warn "$ref: cannot resolve object reference\n";
		2380	undef
		2381	}
		2382	}
		2383
2024	package cf;	2384	package cf;
2025		2385
2026	=back	2386	=back
2027		2387
2028	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2394	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2395	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
2037		2397
2038	=cut	2398	=cut
		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
2039		2413
2040	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2415	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
2050		2424
2051	} else {	2425	} else {
2052	my $pl = $self->contr;	2426	my $pl = $self->contr;
2053		2427
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2429	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2431
2060	} else {	2432	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2435	}
2064	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
2065	}	2447	}
2066		2448
2067	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
2068		2450
2069	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
2082		2464
2083	=item $player_object->enter_link	2465	=item $player_object->enter_link
2084		2466
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2468
2087	The player should be reasonably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
2089		2473
2090	Will never block.	2474	Will never block.
2091		2475
2092	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
2093		2477
…		…
2148	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
2151		2535
2152	$map->load;	2536	$map->load;
2153	$map->load_diag;	2537	$map->load_neighbours;
2154		2538
2155	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2156	$self->activate_recursive;	2541	$self->activate_recursive;
2157		2542
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
2160	}	2545	}
2161		2546
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2163		2548
2164	Moves the player to the given map-path and coordinates by first freezing	2549	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2551	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2552	the new (success) or old (failed) map position. In either case, $done will
		2553	be called at the end of this process.
		2554
		2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
2168		2557
2169	=cut	2558	=cut
2170		2559
2171	our $GOTOGEN;	2560	our $GOTOGEN;
2172		2561
2173	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
2175		2564
2176	# do generation counting so two concurrent goto's will be executed in-order	2565	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2567
2179	$self->enter_link;	2568	$self->enter_link;
2180		2569
2181	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
2182	my $map = eval {	2592	my $map = eval {
2183	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
2184		2594
2185	if ($map) {	2595	if ($map) {
2186	$map = $map->customise_for ($self);	2596	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2597	$map = $check->($map) if $check && $map;
2188	} else {	2598	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2600	}
2191		2601
2192	$map	2602	$map
2193	};	2603	};
2194		2604
…		…
2199		2609
2200	if ($gen == $self->{_goto_generation}) {	2610	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2611	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
2203	}	2613	}
		2614
		2615	$done->() if $done;
2204	})->prio (1);	2616	})->prio (1);
2205	}	2617	}
2206		2618
2207	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
2208		2620
…		…
2228	}	2640	}
2229		2641
2230	sub prepare_random_map {	2642	sub prepare_random_map {
2231	my ($exit) = @_;	2643	my ($exit) = @_;
2232		2644
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2647	# that depends on the exit object
2238		2648
2239	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2651	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2246	}	2658	}
2247		2659
2248	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2249		2661
2250	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2253		2665
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2668	undef $fh;
2257	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2258		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2261	}	2677	}
2262	}	2678	}
2263		2679
2264	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2266		2682
2267	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2268		2684
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2685	$self->enter_link;
2281		2686
2282	(async {	2687	(async {
2283	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2284	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
2285	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2286		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
2287	1;	2711	1
2288	}) {	2712	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2717
2294	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2313		2737
2314	utf8::encode $text;	2738	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2740	}
2317		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
		2809	sub cf::client::send_msg {
		2810	my ($self, $channel, $msg, $color, @extra) = @_;
		2811
		2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
		2814
		2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2816
		2817	# check predefined channels, for the benefit of C
		2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
		2826	} elsif (ref $channel) {
		2827	# send meta info to client, if not yet sent
		2828	unless (exists $self->{channel}{$channel->{id}}) {
		2829	$self->{channel}{$channel->{id}} = $channel;
		2830	$self->ext_msg (channel_info => $channel)
		2831	if $self->can_msg;
		2832	}
		2833
		2834	$channel = $channel->{id};
		2835	}
		2836
		2837	return unless @extra || length $msg;
		2838
		2839	if ($self->can_msg) {
		2840	# default colour, mask it out
		2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2842	if $color & cf::NDI_DEF;
		2843
		2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
		2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
		2860	} else {
		2861	if ($color >= 0) {
		2862	# replace some tags by gcfclient-compatible ones
		2863	for ($msg) {
		2864	1 while
		2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2870	}
		2871
		2872	$color &= cf::NDI_COLOR_MASK;
		2873
		2874	utf8::encode $msg;
		2875
		2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
		2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2879	} else {
		2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2881	$self->send_packet ("drawinfo $color $msg")
		2882	}
		2883	}
		2884	}
		2885	}
		2886
2318	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2319		2888
2320	Sends an exti event to the client.	2889	Sends an ext event to the client.
2321		2890
2322	=cut	2891	=cut
2323		2892
2324	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2326		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		2911	my ($self, $id, @msg) = @_;
		2912
		2913	if ($self->extcmd == 2) {
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2915	} elsif ($self->extcmd == 1) {
		2916	#TODO: version 1, remove
		2917	unshift @msg, msgtype => "reply", msgid => $id;
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2919	}
2329	}	2920	}
2330		2921
2331	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2332		2923
2333	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2925	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2926	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		2927
2337	Queries can fail, so check the return code. Or don't, as queries will become	2928	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	2929	become reliable at some point in the future.
2339		2930
2340	=cut	2931	=cut
2341		2932
2342	sub cf::client::query {	2933	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	2942	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		2944
2354	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
2356	}	2949	}
2357		2950
2358	cf::client->attach (	2951	cf::client->attach (
		2952	on_connect => sub {
		2953	my ($ns) = @_;
		2954
		2955	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2956	},
2359	on_reply => sub {	2957	on_reply => sub {
2360	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2361		2959
2362	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2363	# get handled first	2961	# get handled first
…		…
2375	} else {	2973	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	2975	}
2378	}	2976	}
2379	},	2977	},
		2978	on_exticmd => sub {
		2979	my ($ns, $buf) = @_;
		2980
		2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2982
		2983	if (ref $msg) {
		2984	my ($type, $reply, @payload) =
		2985	"ARRAY" eq ref $msg
		2986	? @$msg
		2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2988
		2989	my @reply;
		2990
		2991	if (my $cb = $EXTICMD{$type}) {
		2992	@reply = $cb->($ns, @payload);
		2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
		2998	} else {
		2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3000	}
		3001
		3002	cf::override;
		3003	},
2380	);	3004	);
2381		3005
2382	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2383		3007
2384	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2425	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2427		3051
2428	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2429		3053
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3054	$safe->permit_only (Opcode::opset qw(
		3055	:base_core :base_mem :base_orig :base_math
		3056	grepstart grepwhile mapstart mapwhile
		3057	sort time
		3058	));
2431		3059
2432	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2433		3061
2434	=pod	3062	=pod
2435		3063
2436	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2437		3065
2438	cf::object contr pay_amount pay_player map	3066	cf::object
		3067	contr pay_amount pay_player map x y force_find force_add destroy
		3068	insert remove name archname title slaying race decrease split
		3069
2439	cf::object::player player	3070	cf::object::player
2440	cf::player peaceful	3071	player
2441	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2442		3078
2443	=cut	3079	=cut
2444		3080
2445	for (	3081	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2447	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2449	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2450	) {	3088	) {
2451	no strict 'refs';	3089	no strict 'refs';
…		…
2527	# the server's init and main functions	3165	# the server's init and main functions
2528		3166
2529	sub load_facedata($) {	3167	sub load_facedata($) {
2530	my ($path) = @_;	3168	my ($path) = @_;
2531		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
		3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3175
2532	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2533		3177
2534	my $facedata;	3178	my $facedata;
2535	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
2536	or die "$path: $!";	3180	or die "$path: $!";
…		…
2538	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2539		3183
2540	$facedata->{version} == 2	3184	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3186
		3187	# patch in the exptable
		3188	$facedata->{resource}{"res/exp_table"} = {
		3189	type => FT_RSRC,
		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3191	};
		3192	cf::cede_to_tick;
		3193
2543	{	3194	{
2544	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2545		3196
2546	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2551	Coro::cede;	3204
		3205	cf::cede_to_tick;
2552	}	3206	}
2553		3207
2554	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2556	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2557	or next;	3212	or next;
		3213
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3217	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3219	}
2563	Coro::cede;	3220
		3221	cf::cede_to_tick;
2564	}	3222	}
2565	}	3223	}
2566		3224
2567	{	3225	{
2568	my $anims = $facedata->{animinfo};	3226	my $anims = $facedata->{animinfo};
2569		3227
2570	while (my ($anim, $info) = each %$anims) {	3228	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3230	cf::cede_to_tick;
2573	}	3231	}
2574		3232
2575	cf::anim::invalidate_all; # d'oh	3233	cf::anim::invalidate_all; # d'oh
2576	}	3234	}
2577		3235
		3236	{
		3237	# TODO: for gcfclient pleasure, we should give resources
		3238	# that gcfclient doesn't grok a >10000 face index.
		3239	my $res = $facedata->{resource};
		3240
		3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
		3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3244	my $data;
		3245
		3246	if ($info->{type} & 1) {
		3247	# prepend meta info
		3248
		3249	my $meta = $enc->encode ({
		3250	name => $name,
		3251	%{ $info->{meta} || {} },
		3252	});
		3253
		3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
		3261	} else {
		3262	$RESOURCE{$name} = $info;
		3263	}
		3264
		3265	cf::cede_to_tick;
		3266	}
		3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3270
2578	1	3271	1
2579	}	3272	}
2580		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
		3293
		3294	register_exticmd fx_want => sub {
		3295	my ($ns, $want) = @_;
		3296
		3297	while (my ($k, $v) = each %$want) {
		3298	$ns->fx_want ($k, $v);
		3299	}
		3300	};
		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
		3311
2581	sub reload_regions {	3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
2582	load_resource_file "$MAPDIR/regions"	3317	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3318	or die "unable to load regions file\n";
		3319
		3320	for (cf::region::list) {
		3321	$_->{match} = qr/$_->{match}/
		3322	if exists $_->{match};
		3323	}
2584	}	3324	}
2585		3325
2586	sub reload_facedata {	3326	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3327	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3328	or die "unable to load facedata\n";
…		…
2599	}	3339	}
2600		3340
2601	sub reload_resources {	3341	sub reload_resources {
2602	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
2603		3343
		3344	reload_facedata;
		3345	reload_archetypes;
2604	reload_regions;	3346	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3347	reload_treasures;
2609		3348
2610	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
2611	}	3350	}
2612		3351
2613	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2614	reload_resources;	3357	reload_resources;
2615	}	3358	}
2616		3359
2617	sub cfg_load {	3360	sub reload_config {
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2619	or return;	3362	or return;
2620		3363
2621	local $/;	3364	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2623		3366
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2625		3368
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2633	};	3376	};
2634	warn $@ if $@;	3377	warn $@ if $@;
2635	}	3378	}
2636	}	3379	}
2637		3380
		3381	sub pidfile() {
		3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
		3398	}
		3399
2638	sub main {	3400	sub main {
		3401	atomic;
		3402
2639	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3406	(async {
2643	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2645	};	3410	};
2646		3411
2647	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2648	db_init;	3415	db_init;
2649	load_extensions;	3416	load_extensions;
2650		3417
2651	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
2652	Event::loop;	3426	EV::loop;
2653	}	3427	}
2654		3428
2655	#############################################################################	3429	#############################################################################
2656	# initialisation and cleanup	3430	# initialisation and cleanup
2657		3431
2658	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2659	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2668	},
2669	);	3438	};
2670	}	3439	}
2671	}	3440	}
2672		3441
2673	sub write_runtime {	3442	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";
2675
2676	# first touch the runtime file to show we are still running:	3443	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3444	# the fsync below can take a very very long time.
2678		3445
2679	IO::AIO::aio_utime $runtime, undef, undef;	3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3447
2681	my $guard = cf::lock_acquire "write_runtime";	3448	my $guard = cf::lock_acquire "write_runtime";
2682		3449
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2684	or return;	3451	or return;
2685		3452
2686	my $value = $cf::RUNTIME + 90 + 10;	3453	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3454	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3455	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3465	aio_utime $fh, undef, undef;
2699		3466
2700	close $fh	3467	close $fh
2701	or return;	3468	or return;
2702		3469
2703	aio_rename "$runtime~", $runtime	3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3471	and return;
2705		3472
2706	warn "runtime file written.\n";	3473	warn "runtime file written.\n";
2707		3474
2708	1	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2709	}	3519	}
2710		3520
2711	sub emergency_save() {	3521	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2713		3523
…		…
2719	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2721	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3535	$pl->save;
2725	}	3536	}
2726	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2727		3538
2728	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2734	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2735		3546
2736	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2739	};	3554	};
2740		3555
2741	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2742	}	3557	}
2743		3558
2744	sub post_cleanup {	3559	sub post_cleanup {
2745	my ($make_core) = @_;	3560	my ($make_core) = @_;
2746		3561
2747	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
2749	}	3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
2750		3596
2751	sub do_reload_perl() {	3597	sub do_reload_perl() {
2752	# can/must only be called in main	3598	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2754	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2755	return;	3601	return;
2756	}	3602	}
2757		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2758	warn "reloading...";	3607	warn "reloading...";
2759		3608
2760	warn "entering sync_job";	3609	warn "entering sync_job";
2761		3610
2762	cf::sync_job {	3611	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2764	cf::emergency_save;	3613	cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2766		3615
2767	warn "syncing database to disk";	3616	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2769		3618
2770	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
2771		3620
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2783	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();
2791
2792	warn "removing commands";
2793	%COMMAND = ();
2794
2795	warn "removing ext commands";
2796	%EXTCMD = ();
2797
2798	warn "unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";
2801
2802	if (my $cb = $pkg->can ("unload")) {
2803	eval {
2804	$cb->($pkg);
2805	1
2806	} or warn "$pkg unloaded, but with errors: $@";
2807	}	3624	}
2808		3625
2809	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2810	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2811	}	3628	%EXT_CORO = ();
2812		3629
2813	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2814	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2817	warn "... unloading $k";	3639	warn "... unloading $pkg";
2818	delete $INC{$k};
2819		3640
2820	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;
2822
2823	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2824	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2825	}	3650	}
2826		3651
2827	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
2828	}	3667	}
2829		3668
2830	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		3672
2834	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
2837		3676
2838	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2839	# and global variables created in xs	3678	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2841		3680
2842	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2843		3682
2844	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2845	require cf;	3684	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2847		3686
2848	warn "loading config and database again";	3687	warn "loading config and database again";
2849	cf::cfg_load;	3688	cf::reload_config;
2850		3689
2851	warn "loading extensions";	3690	warn "loading extensions";
2852	cf::load_extensions;	3691	cf::load_extensions;
2853		3692
2854	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2857	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
2860		3699
2861	warn "leaving sync_job";	3700	warn "leaving sync_job";
2862		3701
2863	1	3702	1
2864	} or do {	3703	} or do {
2865	warn $@;	3704	warn $@;
2866	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
2867	exit 1;
2868	};	3706	};
2869		3707
2870	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
2871	};	3711	};
2872		3712
2873	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
2874		3714
2875	sub reload_perl() {	3715	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
2878		3718
2879	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2880	reentrant => 0,
2881	after => 0,
2882	data => WF_AUTOCANCEL,
2883	cb => sub {
2884	do_reload_perl;	3720	do_reload_perl;
2885	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
2886	},
2887	);	3722	};
2888	}	3723	}
2889		3724
2890	register_command "reload" => sub {	3725	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2892		3727
2893	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	3732	reload_perl;
		3733	};
2896	}	3734	}
2897	};	3735	};
2898		3736
2899	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2900		3738
…		…
2902		3740
2903	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
2905		3743
2906	sub wait_for_tick {	3744	sub wait_for_tick {
2907	return unless $TICK_WATCHER->is_active;
2908	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2909		3746
2910	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2911	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;	3749	$signal->wait;
2913	}	3750	}
2914		3751
2915	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
2916	return unless $TICK_WATCHER->is_active;
2917	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
2918		3754
2919	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	3757	$signal->wait;
2922	}	3758	}
2923		3759
2924	my $min = 1e6;#d#	3760	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2936	return;	3764	return;
2937	}	3765	}
2938		3766
2939	$NOW = $tick_start = Event::time;
2940
2941	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2942		3768
2943	0 && sync_job {#d#	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2944	for(1..10) {	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2945	my $t = Event::time;	3771	Coro::async_pool {
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3772	$Coro::current->{desc} = "runtime saver";
2947	or die;	3773	write_runtime_sync
2948		3774	or warn "ERROR: unable to write runtime file: $!";
2949	$map->width (50);
2950	$map->height (50);
2951	$map->alloc;
2952	$map->_load_objects ("/tmp/x.map", 1);
2953	my $t = Event::time - $t;
2954
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	3775	};
		3776	}
2965		3777
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	3779	$sig->send;
2982	}	3780	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
2984	$sig->send;	3782	$sig->send;
2985	}	3783	}
2986		3784
2987	$NOW = Event::time;	3785	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		3787
2998	_post_tick;	3788	if (0) {
2999		3789	if ($NEXT_TICK) {
3000		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
3001	},	3794	}
3002	);	3795	}
3003		3796
3004	{	3797	{
3005	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	3799
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
3015		3801	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		3803
3031	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		3811
3034	cf::sync_job {	3812	cf::sync_job {
3035	eval {	3813	eval {
3036	BDB::db_env_open	3814	BDB::db_env_open
3037	$DB_ENV,	3815	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	3819	0666;
3042		3820
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	3822	};
3048		3823
3049	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	3825	};
3051	}	3826	}
		3827
		3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3830	};
		3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3833	};
		3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3836	};
3052	}	3837	}
3053		3838
3054	{	3839	{
		3840	# configure IO::AIO
		3841
3055	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	3845	}
3068		3846
3069	my $_log_backtrace;	3847	my $_log_backtrace;
3070		3848
3071	sub _log_backtrace {	3849	sub _log_backtrace {
…		…
3074	$msg =~ s/\n//;	3852	$msg =~ s/\n//;
3075		3853
3076	# limit the # of concurrent backtraces	3854	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	3855	if ($_log_backtrace < 2) {
3078	++$_log_backtrace;	3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
3079	async {	3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
3080	my @bt = fork_call {	3861	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	3862	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	3865	or die "addr2line: $!";
…		…
3092	}	3873	}
3093		3874
3094	@funcs	3875	@funcs
3095	};	3876	};
3096		3877
3097	LOG llevInfo, "[ABT] $msg\n";	3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	3880	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	3881	--$_log_backtrace;
3100	};	3882	};
3101	} else {	3883	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	3884	LOG llevInfo, "[ABT] $msg\n";

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