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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.283 by root, Sun Jun 24 04:09:29 2007 UTC vs.
Revision 1.445 by root, Wed Sep 10 18:18:10 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	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
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
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
59		85
60	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	87	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
71		101
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	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	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	104	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	110	our $DB_ENV;
82		111
83	our %CFG;	112	our %CFG;
84		113
85	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
87		117
88	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
91		121
92	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		124
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
98		129
99	binmode STDOUT;	130	binmode STDOUT;
100	binmode STDERR;	131	binmode STDERR;
101		132
102	# read virtual server time, if available	133	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
107	}	138	}
108		139
109	mkdir $_	140	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		186
156	The raw value load value from the last tick.	187	The raw value load value from the last tick.
157		188
158	=item %cf::CFG	189	=item %cf::CFG
159		190
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	192	from wherever your confdir points to.
162		193
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		195
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	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	197	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.	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
		205
169	=back	206	=back
170		207
171	=cut	208	=cut
172		209
173	BEGIN {	210	BEGIN {
…		…
177	$msg .= "\n"	214	$msg .= "\n"
178	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
179		216
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		218
182	utf8::encode $msg;
183	LOG llevError, $msg;	219	LOG llevError, $msg;
184	};	220	};
185	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
186		237
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	248	for my $pkg (qw(
198	cf::global cf::attachable	249	cf::global cf::attachable
199	cf::object cf::object::player	250	cf::object cf::object::player
200	cf::client cf::player	251	cf::client cf::player
201	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
202	cf::map cf::party cf::region	254	cf::party cf::region
203	)) {	255	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	257	}
207		258
208	$Event::DIED = sub {	259	$EV::DIED = sub {
209	warn "error in event callback: @_";	260	warn "error in event callback: @_";
210	};	261	};
211		262
212	#############################################################################	263	#############################################################################
213		264
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	288	$d
238	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
239	}	290	}
240		291
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
244		293
245	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
246		295
247	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
248		297
249	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
		299
		300	=cut
		301
		302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		303
		304	sub encode_json($) { $json_coder->encode ($_[0]) }
		305	sub decode_json($) { $json_coder->decode ($_[0]) }
250		306
251	=item cf::lock_wait $string	307	=item cf::lock_wait $string
252		308
253	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
254		310
…		…
257	Wait until the given lock is available and then acquires it and returns	313	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,	314	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	315	for example when the coroutine gets canceled), the lock is automatically
260	returned.	316	returned.
261		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
262	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
264		323
265	=item $locked = cf::lock_active $string	324	=item $locked = cf::lock_active $string
266		325
267	Return true if the lock is currently active, i.e. somebody has locked it.	326	Return true if the lock is currently active, i.e. somebody has locked it.
268		327
269	=cut	328	=cut
270		329
271	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
272		332
273	sub lock_wait($) {	333	sub lock_wait($) {
274	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
275		340
276	# wait for lock, if any	341	# wait for lock, if any
277	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;	344	Coro::schedule;
…		…
285		350
286	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
287	lock_wait $key;	352	lock_wait $key;
288		353
289	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
290		356
291	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
292	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
294	}	361	}
295	}	362	}
296		363
…		…
299		366
300	! ! $LOCK{$key}	367	! ! $LOCK{$key}
301	}	368	}
302		369
303	sub freeze_mainloop {	370	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
305		372
306	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
307	$TICK_WATCHER->start;	374	}
		375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
308	};	434	}
309	$TICK_WATCHER->stop;	435	};
310	$guard	436
		437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
311	}	449	}
312		450
313	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
314		452
315	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		458
321	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
322		460
323	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
324		462
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	463	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	464	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	466	acceptable.
329		467
330	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		474
337	sub sync_job(&) {	475	sub sync_job(&) {
338	my ($job) = @_;	476	my ($job) = @_;
339		477
340	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	479	my $time = EV::time;
342		480
343	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
345		483
346	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	485
348	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
349		487
350	my $busy = 1;	488	my $busy = 1;
351	my @res;	489	my @res;
352		490
353	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	493	@res = eval { $job->() };
355	warn $@ if $@;	494	warn $@ if $@;
356	undef $busy;	495	undef $busy;
357	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
358		497
359	while ($busy) {	498	while ($busy) {
360	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
361	}	503	}
		504	}
362		505
363	$time = Event::time - $time;	506	my $time = EV::time - $time;
364		507
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	508	$TICK_START += $time; # do not account sync jobs to server load
369		509
370	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
371	} else {	511	} else {
372	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
373		513
…		…
398	=item fork_call { }, $args	538	=item fork_call { }, $args
399		539
400	Executes the given code block with the given arguments in a seperate	540	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	541	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	542	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	543	never block itself or use any form of event handling.
404		544
405	=cut	545	=cut
406		546
407	sub fork_call(&@) {	547	sub fork_call(&@) {
408	my ($cb, @args) = @_;	548	my ($cb, @args) = @_;
409		549
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	550	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	551	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	552	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		553
415	if (my $pid = fork) {	554	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;	555	reset_signals;
428	local $SIG{__WARN__};	556	&$cb
429	local $SIG{__DIE__};	557	}, @args;
430	eval {
431	close $fh1;
432		558
433	my @res = eval { $cb->(@args) };	559	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	560	}
435	};
436		561
437	warn $@ if $@;	562	=item $coin = coin_from_name $name
438	_exit 0;	563
439	}	564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
440	}	587	}
441		588
442	=item $value = cf::db_get $family => $key	589	=item $value = cf::db_get $family => $key
443		590
444	Returns a single value from the environment database.	591	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	593	=item cf::db_put $family => $key => $value
447		594
448	Stores the given C<$value> in the family. It can currently store binary	595	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).	596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
451	=cut	603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
452		621
453	our $DB;	622	our $DB;
454		623
455	sub db_init {	624	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	625	cf::sync_job {
460	eval {	626	$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	}	627	};
470	}	628	}
471		629
472	sub db_get($$) {	630	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	631	my $key = "$_[0]/$_[1]";
474		632
…		…
524	if (1) {	682	if (1) {
525	$md5 =	683	$md5 =
526	join "\x00",	684	join "\x00",
527	$processversion,	685	$processversion,
528	map {	686	map {
529	Coro::cede;	687	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	688	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	689	} 0.. $#$src;
532		690
533		691
534	my $dbmd5 = db_get cache => "$id/md5";	692	my $dbmd5 = db_get cache => "$id/md5";
…		…
578	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
580		738
581	In the following description, CLASS can be any of C<global>, C<object>	739	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	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	741	Deliantra).
584		742
585	=over 4	743	=over 4
586		744
587	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
588		746
…		…
840	";	998	";
841	die if $@;	999	die if $@;
842	}	1000	}
843		1001
844	our $override;	1002	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1004
847	sub override {	1005	sub override {
848	$override = 1;	1006	$override = 1;
849	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
850	}	1008	}
851		1009
852	sub do_invoke {	1010	sub do_invoke {
853	my $event = shift;	1011	my $event = shift;
854	my $callbacks = shift;	1012	my $callbacks = shift;
855		1013
856	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
857		1015
858	local $override;	1016	local $override;
859		1017
860	for (@$callbacks) {	1018	for (@$callbacks) {
861	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
870	}	1028	}
871		1029
872	0	1030	0
873	}	1031	}
874		1032
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1034
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1036
879	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
880		1038
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	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	1040	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1042
885	=back	1043	=back
886		1044
887	=cut	1045	=cut
888		1046
889	#############################################################################	1047	#############################################################################
890	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
891		1091
892	sub reattach {	1092	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1094	my ($obj) = @_;
895		1095
		1096	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1098
898	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
899		1100
900	@$registry = ();	1101	@$registry = ();
901		1102
…		…
916	cf::attachable->attach (	1117	cf::attachable->attach (
917	prio => -1000000,	1118	prio => -1000000,
918	on_instantiate => sub {	1119	on_instantiate => sub {
919	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
920		1121
921	$data = from_json $data;	1122	$data = decode_json $data;
922		1123
923	for (@$data) {	1124	for (@$data) {
924	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
925		1126
926	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1143	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
944		1145
945	sync_job {	1146	sync_job {
946	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
949		1151
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
954	close $fh;	1156	aio_close $fh;
955		1157
956	if (@$objs) {	1158	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
962	close $fh;	1164	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
964	}	1166	}
965	} else {	1167	} else {
966	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
967	}	1169	}
…		…
972	}	1174	}
973	} else {	1175	} else {
974	aio_unlink $filename;	1176	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
976	}	1178	}
977	}	1179	};
978	}	1180	}
979		1181
980	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
982		1184
…		…
994	or return;	1196	or return;
995		1197
996	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
998	or return;	1200	or return;
		1201
999	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1000	}	1204	}
1001		1205
		1206	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1004	return ($data, $av);	1210	($data, $av)
1005	}	1211	}
1006		1212
1007	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1008		1214
1009	=over 4	1215	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1236	}
1031		1237
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1239
1034	Register a callback fro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
1035		1245
1036	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
1037	called.	1247	called.
1038		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
1039	=cut	1260	=cut
1040		1261
1041	sub register_extcmd {	1262	sub register_extcmd {
1042	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
1043		1264
1044	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
1045	}	1272	}
1046		1273
1047	cf::player->attach (	1274	cf::player->attach (
1048	on_command => sub {	1275	on_command => sub {
1049	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
1058	cf::override;	1285	cf::override;
1059	},	1286	},
1060	on_extcmd => sub {	1287	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
1062		1289
1063	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1291
1065	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
1071	} else {	1307	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1309	}
1074		1310
1075	cf::override;	1311	cf::override;
…		…
1102		1338
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1341
1106	$ext{source} =	1342	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1344	. "#line 1 \"$path\"\n{\n"
1109	. $source	1345	. $source
1110	. "\n};\n1";	1346	. "\n};\n1";
1111		1347
1112	$todo{$base} = \%ext;	1348	$todo{$base} = \%ext;
…		…
1128	my $msg = $@ ? "$v->{path}: $@\n"	1364	my $msg = $@ ? "$v->{path}: $@\n"
1129	: "$v->{base}: extension inactive.\n";	1365	: "$v->{base}: extension inactive.\n";
1130		1366
1131	if (exists $v->{meta}{mandatory}) {	1367	if (exists $v->{meta}{mandatory}) {
1132	warn $msg;	1368	warn $msg;
1133	warn "mandatory extension failed to load, exiting.\n";	1369	cf::cleanup "mandatory extension failed to load, exiting.";
1134	exit 1;
1135	}	1370	}
1136		1371
1137	warn $msg;	1372	warn $msg;
1138	}	1373	}
1139		1374
…		…
1164	use Coro::AIO;	1399	use Coro::AIO;
1165		1400
1166	=head3 cf::player	1401	=head3 cf::player
1167		1402
1168	=over 4	1403	=over 4
		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
1169		1418
1170	=item cf::player::find $login	1419	=item cf::player::find $login
1171		1420
1172	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
1173		1422
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1462
1214	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1217	}	1472	}
1218	}	1473	}
1219	}	1474	}
1220		1475
…		…
1229	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1230		1485
1231	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1233		1488
		1489	cf::get_slot 0.01;
		1490
1234	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1235	Coro::cede;	1492	cf::cede_to_tick;
1236	}	1493	}
1237		1494
1238	sub new($) {	1495	sub new($) {
1239	my ($login) = @_;	1496	my ($login) = @_;
1240		1497
…		…
1246	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1247		1504
1248	$self	1505	$self
1249	}	1506	}
1250		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1251	=item $pl->quit_character	1518	=item $pl->quit_character
1252		1519
1253	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1255		1522
…		…
1259	my ($pl) = @_;	1526	my ($pl) = @_;
1260		1527
1261	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1262		1529
1263	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1532
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1270		1539
1271	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1577	or return [];
1309		1578
1310	my @logins;	1579	my @logins;
1311		1580
1312	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1316		1591
1317	utf8::decode $login;	1592	utf8::decode $login;
1318	push @logins, $login;	1593	push @logins, $login;
1319	}	1594	}
1320		1595
…		…
1351		1626
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1353		1628
1354	Expand crossfire pod fragments into protocol xml.	1629	Expand crossfire pod fragments into protocol xml.
1355		1630
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1386		1632
1387	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1388		1634
1389	=cut	1635	=cut
1390		1636
1391	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1392	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1393		1639
1394	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}	1641	}
1398		1642
1399	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1400		1644
1401	Sends an ext event to the client.	1645	Sends an ext event to the client.
1402		1646
1403	=cut	1647	=cut
1404		1648
1405	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1407		1651
1408	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1409	}	1653	}
1410		1654
1411	=head3 cf::region	1655	=head3 cf::region
1412		1656
1413	=over 4	1657	=over 4
…		…
1426	my ($path) = @_;	1670	my ($path) = @_;
1427		1671
1428	my ($match, $specificity);	1672	my ($match, $specificity);
1429		1673
1430	for my $region (list) {	1674	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1675	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1676	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1677	if $region->specificity > $specificity;
1434	}	1678	}
1435	}	1679	}
1436		1680
…		…
1457	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1459		1703
1460	sub generate_random_map {	1704	sub generate_random_map {
1461	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1462	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1463	$self->_create_random_map (	1710	$self->_create_random_map (
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1556	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1557	return $self;	1804	return $self;
1558	}	1805	}
1559	}	1806	}
1560		1807
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1562	()	1809	()
1563	}	1810	}
1564		1811
1565	sub init {	1812	sub init {
1566	my ($self) = @_;	1813	my ($self) = @_;
…		…
1588		1835
1589	# the temporary/swap location	1836	# the temporary/swap location
1590	sub save_path {	1837	sub save_path {
1591	my ($self) = @_;	1838	my ($self) = @_;
1592		1839
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1595	}	1842	}
1596		1843
1597	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1598	sub uniq_path {	1845	sub uniq_path {
1599	my ($self) = @_;	1846	my ($self) = @_;
1600		1847
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1603	}	1850	}
1604		1851
1605	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1606	# all maps in C++...	1853	# all maps in C++...
…		…
1629		1876
1630	sub load_header_from($) {	1877	sub load_header_from($) {
1631	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1632		1879
1633	utf8::encode $path;	1880	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1639		1889
1640	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1641		1891
1642	1	1892	1
1643	}	1893	}
…		…
1697	sub find {	1947	sub find {
1698	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1699		1949
1700	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1701		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1703		1954
1704	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1705	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1706	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1707	or return;	1960	or return;
1708		1961
1709	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1710		1963
…		…
1712	or return;	1965	or return;
1713		1966
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1717	$map->reset;	1972	$map->reset;
1718	undef $guard;
1719	return find $path;	1973	return find $path;
1720	}	1974	}
1721		1975
1722	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1723	}	1977	}
…		…
1732	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1733		1987
1734	my $path = $self->{path};	1988	my $path = $self->{path};
1735		1989
1736	{	1990	{
1737	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1738		1992
		1993	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1740		1995
1741	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1742		1997
1743	$self->alloc;	1998	$self->alloc;
1744		1999
1745	$self->pre_load;	2000	$self->pre_load;
1746	Coro::cede;	2001	cf::cede_to_tick;
1747		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1748	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1749	or return;	2006	or return;
1750		2007
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1752	if delete $self->{load_original};	2009	if delete $self->{load_original};
1753		2010
1754	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2012	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2015	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1759	}	2019	}
1760	}	2020	}
1761		2021
1762	Coro::cede;	2022	$f->resolve_delayed_derefs;
		2023
		2024	cf::cede_to_tick;
1763	# now do the right thing for maps	2025	# now do the right thing for maps
1764	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2028	unless $self->difficulty;
1767	Coro::cede;	2029	cf::cede_to_tick;
1768		2030
1769	unless ($self->{deny_activate}) {	2031	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2032	$self->decay_objects;
1771	$self->fix_auto_apply;	2033	$self->fix_auto_apply;
1772	$self->update_buttons;	2034	$self->update_buttons;
1773	Coro::cede;	2035	cf::cede_to_tick;
1774	$self->set_darkness_map;	2036	$self->set_darkness_map;
1775	Coro::cede;	2037	cf::cede_to_tick;
1776	$self->activate;	2038	$self->activate;
1777	}	2039	}
1778		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1780	}	2045	}
1781		2046
1782	$self->post_load;	2047	$self->post_load;
1783	}	2048	}
1784		2049
…		…
1793		2058
1794	$self	2059	$self
1795	}	2060	}
1796		2061
1797	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {	2063	sub load_neighbours {
1799	my ($map) = @_;	2064	my ($map) = @_;
1800		2065
1801	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1802		2067
1803	for (0 .. 3) {	2068	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1805	or next;	2070	or next;
1806	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1807	or next;	2072	or next;
1808	$neigh->load;	2073	$neigh->load;
1809		2074
		2075	push @neigh,
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}	2078	}
1813		2079
1814	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1815	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1816	or next;	2083	or next;
1817	$neigh->load;	2084	$neigh->load;
1818	}	2085	}
1819	}	2086	}
1820		2087
…		…
1825	}	2092	}
1826		2093
1827	sub do_load_sync {	2094	sub do_load_sync {
1828	my ($map) = @_;	2095	my ($map) = @_;
1829		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1830	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1831	}	2101	}
1832		2102
1833	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1835		2105
1836	sub find_async {	2106	sub find_async {
1837	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1838		2108
1839	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1840		2110
1841	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843	}	2113	}
1844		2114
1845	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1846	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1847	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2122	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2123	$map->load if $v;
		2124	}
1852		2125
1853	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1854	}	2127	}
1855	}	2128	}
1856	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1857	};	2130	};
1858	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1861	}	2134	}
1862		2135
1863	sub save {	2136	sub save {
1864	my ($self) = @_;	2137	my ($self) = @_;
1865		2138
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2140
1868	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1869		2142
1870	return unless $self->dirty;	2143	return unless $self->dirty;
1871		2144
…		…
1877	return if $self->{deny_save};	2150	return if $self->{deny_save};
1878		2151
1879	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1880		2153
1881	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1883	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1884		2160
1885	if ($uniq) {	2161	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2164	} else {
…		…
1894	my ($self) = @_;	2170	my ($self) = @_;
1895		2171
1896	# save first because save cedes	2172	# save first because save cedes
1897	$self->save;	2173	$self->save;
1898		2174
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2176
1901	return if $self->players;	2177	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1903	return if $self->{deny_save};	2179	return if $self->{deny_save};
1904		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1905	$self->clear;	2185	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2186	}
1908		2187
1909	sub reset_at {	2188	sub reset_at {
1910	my ($self) = @_;	2189	my ($self) = @_;
1911		2190
…		…
1943	if $uniq;	2222	if $uniq;
1944	}	2223	}
1945		2224
1946	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1947		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2229	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2230
1952	$self->unlink_save;	2231	$self->unlink_save;
1953	$self->destroy;	2232	$self->destroy;
1954	}	2233	}
1955		2234
1956	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1957		2236
1958	sub nuke {	2237	sub nuke {
1959	my ($self) = @_;	2238	my ($self) = @_;
1960		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1961	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1962		2244
1963	$self->unlink_save;	2245	$self->unlink_save;
1964		2246
1965	bless $self, "cf::map";	2247	bless $self, "cf::map";
1966	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2252
1971	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1972		2255
1973	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
1974	}	2257	}
1975		2258
1976	=item $maps = cf::map::tmp_maps	2259	=item $maps = cf::map::tmp_maps
…		…
2018		2301
2019	sub unique_maps() {	2302	sub unique_maps() {
2020	[	2303	[
2021	map {	2304	map {
2022	utf8::decode $_;	2305	utf8::decode $_;
2023	/\.map$/	2306	s/\.map$//; # TODO future compatibility hack
		2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2308	? ()
2024	? normalise $_	2309	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2310	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2311	]
2028	}	2312	}
2029		2313
2030	package cf;
2031
2032	=back	2314	=back
2033		2315
2034	=head3 cf::object	2316	=head3 cf::object
2035		2317
2036	=cut	2318	=cut
…		…
2039		2321
2040	=over 4	2322	=over 4
2041		2323
2042	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
2043		2325
2044	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
2045		2328
2046	=cut	2329	=cut
2047		2330
2048	sub inv_recursive_;	2331	sub inv_recursive_;
2049	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
2052		2335
2053	sub inv_recursive {	2336	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
2055	}	2338	}
2056		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
2057	package cf;	2368	package cf;
2058		2369
2059	=back	2370	=back
2060		2371
2061	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
2067	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
2069	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
2070		2381
2071	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
2072		2397
2073	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2399	# with dialog boxes.
2075	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
2076	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
2083		2408
2084	} else {	2409	} else {
2085	my $pl = $self->contr;	2410	my $pl = $self->contr;
2086		2411
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2413	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2415
2096	} else {	2416	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2419	}
2100	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
2101	}	2431	}
2102		2432
2103	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
2104		2434
2105	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
2184	# use -1 or undef as default coordinates, not 0, 0	2514	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2515	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2516	if $x <=0 && $y <= 0;
2187		2517
2188	$map->load;	2518	$map->load;
2189	$map->load_diag;	2519	$map->load_neighbours;
2190		2520
2191	return unless $self->contr->active;	2521	return unless $self->contr->active;
2192	$self->activate_recursive;	2522	$self->activate_recursive;
2193		2523
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2524	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2525	$self->enter_map ($map, $x, $y);
2196	}	2526	}
2197		2527
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2528	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2199		2529
2200	Moves the player to the given map-path and coordinates by first freezing	2530	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2531	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2532	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2533	the new (success) or old (failed) map position. In either case, $done will
		2534	be called at the end of this process.
		2535
		2536	Note that $check will be called with a potentially non-loaded map, so if
		2537	it needs a loaded map it has to call C<< ->load >>.
2204		2538
2205	=cut	2539	=cut
2206		2540
2207	our $GOTOGEN;	2541	our $GOTOGEN;
2208		2542
2209	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
2211		2545
2212	# do generation counting so two concurrent goto's will be executed in-order	2546	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2548
2215	$self->enter_link;	2549	$self->enter_link;
2216		2550
2217	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
2218	my $map = eval {	2573	my $map = eval {
2219	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
2220		2575
2221	if ($map) {	2576	if ($map) {
2222	$map = $map->customise_for ($self);	2577	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2578	$map = $check->($map) if $check && $map;
2224	} else {	2579	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2581	}
2227		2582
2228	$map	2583	$map
2229	};	2584	};
2230		2585
…		…
2235		2590
2236	if ($gen == $self->{_goto_generation}) {	2591	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2592	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
2239	}	2594	}
		2595
		2596	$done->() if $done;
2240	})->prio (1);	2597	})->prio (1);
2241	}	2598	}
2242		2599
2243	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
2244		2601
…		…
2264	}	2621	}
2265		2622
2266	sub prepare_random_map {	2623	sub prepare_random_map {
2267	my ($exit) = @_;	2624	my ($exit) = @_;
2268		2625
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2626	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2627	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2628	# that depends on the exit object
2274		2629
2275	my $rmp = parse_random_map_params $exit->msg;	2630	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2632	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2633	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2634	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2635	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2636	$rmp->{origin_y} = $exit->y;
		2637
		2638	$exit->map->touch;
2282	}	2639	}
2283		2640
2284	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
2285		2642
2286	my $data = cf::to_json $rmp;	2643	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
2289		2646
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2649	undef $fh;
2293	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
2294		2651
		2652	my $slaying = "?random/$md5";
		2653
		2654	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2655	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2656	$exit->msg (undef);
		2657	}
2297	}	2658	}
2298	}	2659	}
2299		2660
2300	sub cf::object::player::enter_exit {	2661	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2662	my ($self, $exit) = @_;
2302		2663
2303	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
2304		2665
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2666	$self->enter_link;
2317		2667
2318	(async {	2668	(async {
2319	$self->deactivate_recursive; # just to be sure	2669	$Coro::current->{desc} = "enter_exit";
		2670
2320	unless (eval {	2671	unless (eval {
		2672	$self->deactivate_recursive; # just to be sure
		2673
		2674	# random map handling
		2675	{
		2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2677
		2678	prepare_random_map $exit
		2679	if $exit->slaying eq "/!";
		2680	}
		2681
		2682	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2683	my $x = $exit->stats->hp;
		2684	my $y = $exit->stats->sp;
		2685
2321	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($map, $x, $y);
2322		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($map, $x, $y)
		2690	if $exit->flag (cf::FLAG_DAMNED);
		2691
2323	1;	2692	1
2324	}) {	2693	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	2694	$self->message ("Something went wrong deep within the crossfire server. "
2326	. "I'll try to bring you back to the map you were before. "	2695	. "I'll try to bring you back to the map you were before. "
2327	. "Please report this to the dungeon master!",	2696	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	2697	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2349		2718
2350	utf8::encode $text;	2719	utf8::encode $text;
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2720	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352	}	2721	}
2353		2722
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	2723	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		2724
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	2725	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	2726	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	2727	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	2728	the message unless the client supports the msg packet.
2360		2729
2361	=cut	2730	=cut
2362		2731
		2732	# non-persistent channels (usually the info channel)
		2733	our %CHANNEL = (
		2734	"c/identify" => {
		2735	id => "infobox",
		2736	title => "Identify",
		2737	reply => undef,
		2738	tooltip => "Items recently identified",
		2739	},
		2740	"c/examine" => {
		2741	id => "infobox",
		2742	title => "Examine",
		2743	reply => undef,
		2744	tooltip => "Signs and other items you examined",
		2745	},
		2746	"c/book" => {
		2747	id => "infobox",
		2748	title => "Book",
		2749	reply => undef,
		2750	tooltip => "The contents of a note or book",
		2751	},
		2752	"c/lookat" => {
		2753	id => "infobox",
		2754	title => "Look",
		2755	reply => undef,
		2756	tooltip => "What you saw there",
		2757	},
		2758	"c/who" => {
		2759	id => "infobox",
		2760	title => "Players",
		2761	reply => undef,
		2762	tooltip => "Shows players who are currently online",
		2763	},
		2764	"c/body" => {
		2765	id => "infobox",
		2766	title => "Body Parts",
		2767	reply => undef,
		2768	tooltip => "Shows which body parts you posess and are available",
		2769	},
		2770	"c/uptime" => {
		2771	id => "infobox",
		2772	title => "Uptime",
		2773	reply => undef,
		2774	tooltip => "How long the server has been running since last restart",
		2775	},
		2776	"c/mapinfo" => {
		2777	id => "infobox",
		2778	title => "Map Info",
		2779	reply => undef,
		2780	tooltip => "Information related to the maps",
		2781	},
		2782	"c/party" => {
		2783	id => "party",
		2784	title => "Party",
		2785	reply => "gsay ",
		2786	tooltip => "Messages and chat related to your party",
		2787	},
		2788	);
		2789
2363	sub cf::client::send_msg {	2790	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	2791	my ($self, $channel, $msg, $color, @extra) = @_;
2365		2792
2366	$msg = $self->pl->expand_cfpod ($msg);	2793	$msg = $self->pl->expand_cfpod ($msg);
2367		2794
		2795	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2796
		2797	# check predefined channels, for the benefit of C
		2798	if ($CHANNEL{$channel}) {
		2799	$channel = $CHANNEL{$channel};
		2800
		2801	$self->ext_msg (channel_info => $channel)
		2802	if $self->can_msg;
		2803
		2804	$channel = $channel->{id};
		2805
		2806	} elsif (ref $channel) {
		2807	# send meta info to client, if not yet sent
		2808	unless (exists $self->{channel}{$channel->{id}}) {
		2809	$self->{channel}{$channel->{id}} = $channel;
		2810	$self->ext_msg (channel_info => $channel)
		2811	if $self->can_msg;
		2812	}
		2813
		2814	$channel = $channel->{id};
		2815	}
		2816
		2817	return unless @extra || length $msg;
		2818
2368	if ($self->can_msg) {	2819	if ($self->can_msg) {
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);	2820	# default colour, mask it out
		2821	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2822	if $color & cf::NDI_DEF;
		2823
		2824	my $pkt = "msg "
		2825	. $self->{json_coder}->encode (
		2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2827	);
		2828
		2829	# try lzf for large packets
		2830	$pkt = "lzf " . Compress::LZF::compress $pkt
		2831	if 1024 <= length $pkt and $self->{can_lzf};
		2832
		2833	# split very large packets
		2834	if (8192 < length $pkt and $self->{can_lzf}) {
		2835	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2836	$pkt = "frag";
		2837	}
		2838
		2839	$self->send_packet ($pkt);
2370	} else {	2840	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
2379	}
2380
2381	if ($color >= 0) {	2841	if ($color >= 0) {
		2842	# replace some tags by gcfclient-compatible ones
		2843	for ($msg) {
		2844	1 while
		2845	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2846	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2847	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2848	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2849	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2850	}
		2851
		2852	$color &= cf::NDI_COLOR_MASK;
		2853
		2854	utf8::encode $msg;
		2855
2382	if ($msg =~ /\[/) {	2856	if (0 && $msg =~ /\[/) {
		2857	# COMMAND/INFO
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	2858	$self->send_packet ("drawextinfo $color 10 8 $msg")
2384	} else {	2859	} else {
		2860	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2385	$self->send_packet ("drawinfo $color $msg")	2861	$self->send_packet ("drawinfo $color $msg")
2386	}	2862	}
2387	}	2863	}
2388	}	2864	}
2389	}	2865	}
2390		2866
2391	=item $client->ext_event ($type, %msg)	2867	=item $client->ext_msg ($type, @msg)
2392		2868
2393	Sends an exti event to the client.	2869	Sends an ext event to the client.
2394		2870
2395	=cut	2871	=cut
2396		2872
2397	sub cf::client::ext_event($$%) {	2873	sub cf::client::ext_msg($$@) {
2398	my ($self, $type, %msg) = @_;	2874	my ($self, $type, @msg) = @_;
2399		2875
		2876	if ($self->extcmd == 2) {
		2877	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2878	} elsif ($self->extcmd == 1) { # TODO: remove
2400	$msg{msgtype} = "event_$type";	2879	push @msg, msgtype => "event_$type";
2401	$self->send_packet ("ext " . cf::to_json \%msg);	2880	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2881	}
		2882	}
		2883
		2884	=item $client->ext_reply ($msgid, @msg)
		2885
		2886	Sends an ext reply to the client.
		2887
		2888	=cut
		2889
		2890	sub cf::client::ext_reply($$@) {
		2891	my ($self, $id, @msg) = @_;
		2892
		2893	if ($self->extcmd == 2) {
		2894	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2895	} elsif ($self->extcmd == 1) {
		2896	#TODO: version 1, remove
		2897	unshift @msg, msgtype => "reply", msgid => $id;
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2899	}
2402	}	2900	}
2403		2901
2404	=item $success = $client->query ($flags, "text", \&cb)	2902	=item $success = $client->query ($flags, "text", \&cb)
2405		2903
2406	Queues a query to the client, calling the given callback with	2904	Queues a query to the client, calling the given callback with
2407	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2905	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2408	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2906	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2409		2907
2410	Queries can fail, so check the return code. Or don't, as queries will become	2908	Queries can fail, so check the return code. Or don't, as queries will
2411	reliable at some point in the future.	2909	become reliable at some point in the future.
2412		2910
2413	=cut	2911	=cut
2414		2912
2415	sub cf::client::query {	2913	sub cf::client::query {
2416	my ($self, $flags, $text, $cb) = @_;	2914	my ($self, $flags, $text, $cb) = @_;
…		…
2424	utf8::encode $text;	2922	utf8::encode $text;
2425	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2923	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2426		2924
2427	$self->send_packet ($self->{query_queue}[0][0])	2925	$self->send_packet ($self->{query_queue}[0][0])
2428	if @{ $self->{query_queue} } == 1;	2926	if @{ $self->{query_queue} } == 1;
		2927
		2928	1
2429	}	2929	}
2430		2930
2431	cf::client->attach (	2931	cf::client->attach (
		2932	on_connect => sub {
		2933	my ($ns) = @_;
		2934
		2935	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2936	},
2432	on_reply => sub {	2937	on_reply => sub {
2433	my ($ns, $msg) = @_;	2938	my ($ns, $msg) = @_;
2434		2939
2435	# this weird shuffling is so that direct followup queries	2940	# this weird shuffling is so that direct followup queries
2436	# get handled first	2941	# get handled first
…		…
2448	} else {	2953	} else {
2449	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2954	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2450	}	2955	}
2451	}	2956	}
2452	},	2957	},
		2958	on_exticmd => sub {
		2959	my ($ns, $buf) = @_;
		2960
		2961	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2962
		2963	if (ref $msg) {
		2964	my ($type, $reply, @payload) =
		2965	"ARRAY" eq ref $msg
		2966	? @$msg
		2967	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2968
		2969	my @reply;
		2970
		2971	if (my $cb = $EXTICMD{$type}) {
		2972	@reply = $cb->($ns, @payload);
		2973	}
		2974
		2975	$ns->ext_reply ($reply, @reply)
		2976	if $reply;
		2977
		2978	} else {
		2979	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2980	}
		2981
		2982	cf::override;
		2983	},
2453	);	2984	);
2454		2985
2455	=item $client->async (\&cb)	2986	=item $client->async (\&cb)
2456		2987
2457	Create a new coroutine, running the specified callback. The coroutine will	2988	Create a new coroutine, running the specified callback. The coroutine will
…		…
2498	our $safe = new Safe "safe";	3029	our $safe = new Safe "safe";
2499	our $safe_hole = new Safe::Hole;	3030	our $safe_hole = new Safe::Hole;
2500		3031
2501	$SIG{FPE} = 'IGNORE';	3032	$SIG{FPE} = 'IGNORE';
2502		3033
2503	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3034	$safe->permit_only (Opcode::opset qw(
		3035	:base_core :base_mem :base_orig :base_math
		3036	grepstart grepwhile mapstart mapwhile
		3037	sort time
		3038	));
2504		3039
2505	# here we export the classes and methods available to script code	3040	# here we export the classes and methods available to script code
2506		3041
2507	=pod	3042	=pod
2508		3043
2509	The following functions and methods are available within a safe environment:	3044	The following functions and methods are available within a safe environment:
2510		3045
2511	cf::object contr pay_amount pay_player map	3046	cf::object
		3047	contr pay_amount pay_player map x y force_find force_add destroy
		3048	insert remove name archname title slaying race decrease split
		3049
2512	cf::object::player player	3050	cf::object::player
2513	cf::player peaceful	3051	player
2514	cf::map trigger	3052
		3053	cf::player
		3054	peaceful
		3055
		3056	cf::map
		3057	trigger
2515		3058
2516	=cut	3059	=cut
2517		3060
2518	for (	3061	for (
2519	["cf::object" => qw(contr pay_amount pay_player map)],	3062	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3063	insert remove inv nrof name archname title slaying race
		3064	decrease split destroy change_exp)],
2520	["cf::object::player" => qw(player)],	3065	["cf::object::player" => qw(player)],
2521	["cf::player" => qw(peaceful)],	3066	["cf::player" => qw(peaceful)],
2522	["cf::map" => qw(trigger)],	3067	["cf::map" => qw(trigger)],
2523	) {	3068	) {
2524	no strict 'refs';	3069	no strict 'refs';
…		…
2600	# the server's init and main functions	3145	# the server's init and main functions
2601		3146
2602	sub load_facedata($) {	3147	sub load_facedata($) {
2603	my ($path) = @_;	3148	my ($path) = @_;
2604		3149
		3150	# HACK to clear player env face cache, we need some signal framework
		3151	# for this (global event?)
		3152	%ext::player_env::MUSIC_FACE_CACHE = ();
		3153
		3154	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3155
2605	warn "loading facedata from $path\n";	3156	warn "loading facedata from $path\n";
2606		3157
2607	my $facedata;	3158	my $facedata;
2608	0 < aio_load $path, $facedata	3159	0 < aio_load $path, $facedata
2609	or die "$path: $!";	3160	or die "$path: $!";
…		…
2611	$facedata = Coro::Storable::thaw $facedata;	3162	$facedata = Coro::Storable::thaw $facedata;
2612		3163
2613	$facedata->{version} == 2	3164	$facedata->{version} == 2
2614	or cf::cleanup "$path: version mismatch, cannot proceed.";	3165	or cf::cleanup "$path: version mismatch, cannot proceed.";
2615		3166
		3167	# patch in the exptable
		3168	$facedata->{resource}{"res/exp_table"} = {
		3169	type => FT_RSRC,
		3170	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3171	};
		3172	cf::cede_to_tick;
		3173
2616	{	3174	{
2617	my $faces = $facedata->{faceinfo};	3175	my $faces = $facedata->{faceinfo};
2618		3176
2619	while (my ($face, $info) = each %$faces) {	3177	while (my ($face, $info) = each %$faces) {
2620	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3178	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3179
2621	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3180	cf::face::set_visibility $idx, $info->{visibility};
		3181	cf::face::set_magicmap $idx, $info->{magicmap};
2622	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3182	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2623	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3183	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2624	Coro::cede;	3184
		3185	cf::cede_to_tick;
2625	}	3186	}
2626		3187
2627	while (my ($face, $info) = each %$faces) {	3188	while (my ($face, $info) = each %$faces) {
2628	next unless $info->{smooth};	3189	next unless $info->{smooth};
		3190
2629	my $idx = cf::face::find $face	3191	my $idx = cf::face::find $face
2630	or next;	3192	or next;
		3193
2631	if (my $smooth = cf::face::find $info->{smooth}) {	3194	if (my $smooth = cf::face::find $info->{smooth}) {
		3195	cf::face::set_smooth $idx, $smooth;
2632	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3196	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2633	} else {	3197	} else {
2634	warn "smooth face '$info->{smooth}' not found for face '$face'";	3198	warn "smooth face '$info->{smooth}' not found for face '$face'";
2635	}	3199	}
2636	Coro::cede;	3200
		3201	cf::cede_to_tick;
2637	}	3202	}
2638	}	3203	}
2639		3204
2640	{	3205	{
2641	my $anims = $facedata->{animinfo};	3206	my $anims = $facedata->{animinfo};
2642		3207
2643	while (my ($anim, $info) = each %$anims) {	3208	while (my ($anim, $info) = each %$anims) {
2644	cf::anim::set $anim, $info->{frames}, $info->{facings};	3209	cf::anim::set $anim, $info->{frames}, $info->{facings};
2645	Coro::cede;	3210	cf::cede_to_tick;
2646	}	3211	}
2647		3212
2648	cf::anim::invalidate_all; # d'oh	3213	cf::anim::invalidate_all; # d'oh
2649	}	3214	}
2650		3215
		3216	{
		3217	# TODO: for gcfclient pleasure, we should give resources
		3218	# that gcfclient doesn't grok a >10000 face index.
		3219	my $res = $facedata->{resource};
		3220
		3221	while (my ($name, $info) = each %$res) {
		3222	if (defined $info->{type}) {
		3223	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3224	my $data;
		3225
		3226	if ($info->{type} & 1) {
		3227	# prepend meta info
		3228
		3229	my $meta = $enc->encode ({
		3230	name => $name,
		3231	%{ $info->{meta} || {} },
		3232	});
		3233
		3234	$data = pack "(w/a*)*", $meta, $info->{data};
		3235	} else {
		3236	$data = $info->{data};
		3237	}
		3238
		3239	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3240	cf::face::set_type $idx, $info->{type};
		3241	} else {
		3242	$RESOURCE{$name} = $info;
		3243	}
		3244
		3245	cf::cede_to_tick;
		3246	}
		3247	}
		3248
		3249	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3250
2651	1	3251	1
2652	}	3252	}
2653		3253
		3254	cf::global->attach (on_resource_update => sub {
		3255	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3256	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3257
		3258	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3259	my $sound = $soundconf->{compat}[$_]
		3260	or next;
		3261
		3262	my $face = cf::face::find "sound/$sound->[1]";
		3263	cf::sound::set $sound->[0] => $face;
		3264	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3265	}
		3266
		3267	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3268	my $face = cf::face::find "sound/$v";
		3269	cf::sound::set $k => $face;
		3270	}
		3271	}
		3272	});
		3273
		3274	register_exticmd fx_want => sub {
		3275	my ($ns, $want) = @_;
		3276
		3277	while (my ($k, $v) = each %$want) {
		3278	$ns->fx_want ($k, $v);
		3279	}
		3280	};
		3281
		3282	sub load_resource_file($) {
		3283	my $guard = lock_acquire "load_resource_file";
		3284
		3285	my $status = load_resource_file_ $_[0];
		3286	get_slot 0.1, 100;
		3287	cf::arch::commit_load;
		3288
		3289	$status
		3290	}
		3291
2654	sub reload_regions {	3292	sub reload_regions {
		3293	# HACK to clear player env face cache, we need some signal framework
		3294	# for this (global event?)
		3295	%ext::player_env::MUSIC_FACE_CACHE = ();
		3296
2655	load_resource_file "$MAPDIR/regions"	3297	load_resource_file "$MAPDIR/regions"
2656	or die "unable to load regions file\n";	3298	or die "unable to load regions file\n";
		3299
		3300	for (cf::region::list) {
		3301	$_->{match} = qr/$_->{match}/
		3302	if exists $_->{match};
		3303	}
2657	}	3304	}
2658		3305
2659	sub reload_facedata {	3306	sub reload_facedata {
2660	load_facedata "$DATADIR/facedata"	3307	load_facedata "$DATADIR/facedata"
2661	or die "unable to load facedata\n";	3308	or die "unable to load facedata\n";
…		…
2672	}	3319	}
2673		3320
2674	sub reload_resources {	3321	sub reload_resources {
2675	warn "reloading resource files...\n";	3322	warn "reloading resource files...\n";
2676		3323
		3324	reload_facedata;
		3325	reload_archetypes;
2677	reload_regions;	3326	reload_regions;
2678	reload_facedata;
2679	#reload_archetypes;#d#
2680	reload_archetypes;
2681	reload_treasures;	3327	reload_treasures;
2682		3328
2683	warn "finished reloading resource files\n";	3329	warn "finished reloading resource files\n";
2684	}	3330	}
2685		3331
2686	sub init {	3332	sub init {
		3333	my $guard = freeze_mainloop;
		3334
		3335	evthread_start IO::AIO::poll_fileno;
		3336
2687	reload_resources;	3337	reload_resources;
2688	}	3338	}
2689		3339
2690	sub cfg_load {	3340	sub reload_config {
2691	open my $fh, "<:utf8", "$CONFDIR/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
2692	or return;	3342	or return;
2693		3343
2694	local $/;	3344	local $/;
2695	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
2696		3346
2697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2698		3348
2699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2706	};	3356	};
2707	warn $@ if $@;	3357	warn $@ if $@;
2708	}	3358	}
2709	}	3359	}
2710		3360
		3361	sub pidfile() {
		3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
		3378	}
		3379
2711	sub main {	3380	sub main {
		3381	atomic;
		3382
2712	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
2713	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
2714	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2715	(async {	3386	(async {
2716	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
2717	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
2718	};	3390	};
2719		3391
2720	cfg_load;	3392	{
		3393	my $guard = freeze_mainloop;
		3394	reload_config;
2721	db_init;	3395	db_init;
2722	load_extensions;	3396	load_extensions;
2723		3397
2724	$TICK_WATCHER->start;	3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399	}
		3400
		3401	utime time, time, $RUNTIMEFILE;
		3402
		3403	# no (long-running) fork's whatsoever before this point(!)
		3404	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3405
2725	Event::loop;	3406	EV::loop;
2726	}	3407	}
2727		3408
2728	#############################################################################	3409	#############################################################################
2729	# initialisation and cleanup	3410	# initialisation and cleanup
2730		3411
2731	# install some emergency cleanup handlers	3412	# install some emergency cleanup handlers
2732	BEGIN {	3413	BEGIN {
		3414	our %SIGWATCHER = ();
2733	for my $signal (qw(INT HUP TERM)) {	3415	for my $signal (qw(INT HUP TERM)) {
2734	Event->signal (	3416	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2735	reentrant => 0,
2736	data => WF_AUTOCANCEL,
2737	signal => $signal,
2738	prio => 0,
2739	cb => sub {
2740	cf::cleanup "SIG$signal";	3417	cf::cleanup "SIG$signal";
2741	},
2742	);	3418	};
2743	}	3419	}
2744	}	3420	}
2745		3421
2746	sub write_runtime {	3422	sub write_runtime_sync {
2747	my $runtime = "$LOCALDIR/runtime";
2748
2749	# first touch the runtime file to show we are still running:	3423	# first touch the runtime file to show we are still running:
2750	# the fsync below can take a very very long time.	3424	# the fsync below can take a very very long time.
2751		3425
2752	IO::AIO::aio_utime $runtime, undef, undef;	3426	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2753		3427
2754	my $guard = cf::lock_acquire "write_runtime";	3428	my $guard = cf::lock_acquire "write_runtime";
2755		3429
2756	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3430	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2757	or return;	3431	or return;
2758		3432
2759	my $value = $cf::RUNTIME + 90 + 10;	3433	my $value = $cf::RUNTIME + 90 + 10;
2760	# 10 is the runtime save interval, for a monotonic clock	3434	# 10 is the runtime save interval, for a monotonic clock
2761	# 60 allows for the watchdog to kill the server.	3435	# 60 allows for the watchdog to kill the server.
…		…
2771	aio_utime $fh, undef, undef;	3445	aio_utime $fh, undef, undef;
2772		3446
2773	close $fh	3447	close $fh
2774	or return;	3448	or return;
2775		3449
2776	aio_rename "$runtime~", $runtime	3450	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2777	and return;	3451	and return;
2778		3452
2779	warn "runtime file written.\n";	3453	warn "runtime file written.\n";
2780		3454
2781	1	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
2782	}	3499	}
2783		3500
2784	sub emergency_save() {	3501	sub emergency_save() {
2785	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
2786		3503
…		…
2792	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
2793	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
2794	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
2795	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
2796	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2797	$pl->save;	3515	$pl->save;
2798	}	3516	}
2799	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
2800		3518
2801	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
2807	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
2808		3526
2809	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
2810	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
2811	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
2812	};	3534	};
2813		3535
2814	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
2815	}	3537	}
2816		3538
2817	sub post_cleanup {	3539	sub post_cleanup {
2818	my ($make_core) = @_;	3540	my ($make_core) = @_;
2819		3541
2820	warn Carp::longmess "post_cleanup backtrace"	3542	warn Carp::longmess "post_cleanup backtrace"
2821	if $make_core;	3543	if $make_core;
		3544
		3545	my $fh = pidfile;
		3546	unlink $PIDFILE if <$fh> == $$;
2822	}	3547	}
		3548
		3549	# a safer delete_package, copied from Symbol
		3550	sub clear_package($) {
		3551	my $pkg = shift;
		3552
		3553	# expand to full symbol table name if needed
		3554	unless ($pkg =~ /^main::.*::$/) {
		3555	$pkg = "main$pkg" if $pkg =~ /^::/;
		3556	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3557	$pkg .= '::' unless $pkg =~ /::$/;
		3558	}
		3559
		3560	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3561	my $stem_symtab = *{$stem}{HASH};
		3562
		3563	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3564	or return;
		3565
		3566	# clear all symbols
		3567	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3568	for my $name (keys %$leaf_symtab) {
		3569	_gv_clear *{"$pkg$name"};
		3570	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3571	}
		3572	warn "cleared package #$pkg\n";#d#
		3573	}
		3574
		3575	our $RELOAD; # how many times to reload
2823		3576
2824	sub do_reload_perl() {	3577	sub do_reload_perl() {
2825	# can/must only be called in main	3578	# can/must only be called in main
2826	if ($Coro::current != $Coro::main) {	3579	if ($Coro::current != $Coro::main) {
2827	warn "can only reload from main coroutine";	3580	warn "can only reload from main coroutine";
2828	return;	3581	return;
2829	}	3582	}
2830		3583
		3584	return if $RELOAD++;
		3585
		3586	while ($RELOAD) {
2831	warn "reloading...";	3587	warn "reloading...";
2832		3588
2833	warn "entering sync_job";	3589	warn "entering sync_job";
2834		3590
2835	cf::sync_job {	3591	cf::sync_job {
2836	cf::write_runtime; # external watchdog should not bark	3592	cf::write_runtime_sync; # external watchdog should not bark
2837	cf::emergency_save;	3593	cf::emergency_save;
2838	cf::write_runtime; # external watchdog should not bark	3594	cf::write_runtime_sync; # external watchdog should not bark
2839		3595
2840	warn "syncing database to disk";	3596	warn "syncing database to disk";
2841	BDB::db_env_txn_checkpoint $DB_ENV;	3597	BDB::db_env_txn_checkpoint $DB_ENV;
2842		3598
2843	# if anything goes wrong in here, we should simply crash as we already saved	3599	# if anything goes wrong in here, we should simply crash as we already saved
2844		3600
2845	warn "cancelling all WF_AUTOCANCEL watchers";
2846	for (Event::all_watchers) {
2847	$_->cancel if $_->data & WF_AUTOCANCEL;
2848	}
2849
2850	warn "flushing outstanding aio requests";	3601	warn "flushing outstanding aio requests";
2851	for (;;) {
2852	BDB::flush;
2853	IO::AIO::flush;
2854	Coro::cede;
2855	last unless IO::AIO::nreqs || BDB::nreqs;	3602	while (IO::AIO::nreqs || BDB::nreqs) {
2856	warn "iterate...";	3603	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2857	}
2858
2859	++$RELOAD;
2860
2861	warn "cancelling all extension coros";
2862	$_->cancel for values %EXT_CORO;
2863	%EXT_CORO = ();
2864
2865	warn "removing commands";
2866	%COMMAND = ();
2867
2868	warn "removing ext commands";
2869	%EXTCMD = ();
2870
2871	warn "unloading/nuking all extensions";
2872	for my $pkg (@EXTS) {
2873	warn "... unloading $pkg";
2874
2875	if (my $cb = $pkg->can ("unload")) {
2876	eval {
2877	$cb->($pkg);
2878	1
2879	} or warn "$pkg unloaded, but with errors: $@";
2880	}	3604	}
2881		3605
2882	warn "... nuking $pkg";	3606	warn "cancelling all extension coros";
2883	Symbol::delete_package $pkg;	3607	$_->cancel for values %EXT_CORO;
2884	}	3608	%EXT_CORO = ();
2885		3609
2886	warn "unloading all perl modules loaded from $LIBDIR";	3610	warn "removing commands";
2887	while (my ($k, $v) = each %INC) {	3611	%COMMAND = ();
2888	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2889		3612
		3613	warn "removing ext/exti commands";
		3614	%EXTCMD = ();
		3615	%EXTICMD = ();
		3616
		3617	warn "unloading/nuking all extensions";
		3618	for my $pkg (@EXTS) {
2890	warn "... unloading $k";	3619	warn "... unloading $pkg";
2891	delete $INC{$k};
2892		3620
2893	$k =~ s/\.pm$//;
2894	$k =~ s/\//::/g;
2895
2896	if (my $cb = $k->can ("unload_module")) {	3621	if (my $cb = $pkg->can ("unload")) {
		3622	eval {
2897	$cb->();	3623	$cb->($pkg);
		3624	1
		3625	} or warn "$pkg unloaded, but with errors: $@";
		3626	}
		3627
		3628	warn "... clearing $pkg";
		3629	clear_package $pkg;
2898	}	3630	}
2899		3631
2900	Symbol::delete_package $k;	3632	warn "unloading all perl modules loaded from $LIBDIR";
		3633	while (my ($k, $v) = each %INC) {
		3634	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3635
		3636	warn "... unloading $k";
		3637	delete $INC{$k};
		3638
		3639	$k =~ s/\.pm$//;
		3640	$k =~ s/\//::/g;
		3641
		3642	if (my $cb = $k->can ("unload_module")) {
		3643	$cb->();
		3644	}
		3645
		3646	clear_package $k;
2901	}	3647	}
2902		3648
2903	warn "getting rid of safe::, as good as possible";	3649	warn "getting rid of safe::, as good as possible";
2904	Symbol::delete_package "safe::$_"	3650	clear_package "safe::$_"
2905	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3651	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2906		3652
2907	warn "unloading cf.pm \"a bit\"";	3653	warn "unloading cf.pm \"a bit\"";
2908	delete $INC{"cf.pm"};	3654	delete $INC{"cf.pm"};
2909	delete $INC{"cf/pod.pm"};	3655	delete $INC{"cf/pod.pm"};
2910		3656
2911	# don't, removes xs symbols, too,	3657	# don't, removes xs symbols, too,
2912	# and global variables created in xs	3658	# and global variables created in xs
2913	#Symbol::delete_package __PACKAGE__;	3659	#clear_package __PACKAGE__;
2914		3660
2915	warn "unload completed, starting to reload now";	3661	warn "unload completed, starting to reload now";
2916		3662
2917	warn "reloading cf.pm";	3663	warn "reloading cf.pm";
2918	require cf;	3664	require cf;
2919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3665	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2920		3666
2921	warn "loading config and database again";	3667	warn "loading config and database again";
2922	cf::cfg_load;	3668	cf::reload_config;
2923		3669
2924	warn "loading extensions";	3670	warn "loading extensions";
2925	cf::load_extensions;	3671	cf::load_extensions;
2926		3672
2927	warn "reattaching attachments to objects/players";	3673	warn "reattaching attachments to objects/players";
2928	_global_reattach; # objects, sockets	3674	_global_reattach; # objects, sockets
2929	warn "reattaching attachments to maps";	3675	warn "reattaching attachments to maps";
2930	reattach $_ for values %MAP;	3676	reattach $_ for values %MAP;
2931	warn "reattaching attachments to players";	3677	warn "reattaching attachments to players";
2932	reattach $_ for values %PLAYER;	3678	reattach $_ for values %PLAYER;
2933		3679
2934	warn "leaving sync_job";	3680	warn "leaving sync_job";
2935		3681
2936	1	3682	1
2937	} or do {	3683	} or do {
2938	warn $@;	3684	warn $@;
2939	warn "error while reloading, exiting.";	3685	cf::cleanup "error while reloading, exiting.";
2940	exit 1;
2941	};	3686	};
2942		3687
2943	warn "reloaded";	3688	warn "reloaded";
		3689	--$RELOAD;
		3690	}
2944	};	3691	};
2945		3692
2946	our $RELOAD_WATCHER; # used only during reload	3693	our $RELOAD_WATCHER; # used only during reload
2947		3694
2948	sub reload_perl() {	3695	sub reload_perl() {
2949	# doing reload synchronously and two reloads happen back-to-back,	3696	# doing reload synchronously and two reloads happen back-to-back,
2950	# coro crashes during coro_state_free->destroy here.	3697	# coro crashes during coro_state_free->destroy here.
2951		3698
2952	$RELOAD_WATCHER ||= Event->timer (	3699	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2953	reentrant => 0,
2954	after => 0,
2955	data => WF_AUTOCANCEL,
2956	cb => sub {
2957	do_reload_perl;	3700	do_reload_perl;
2958	undef $RELOAD_WATCHER;	3701	undef $RELOAD_WATCHER;
2959	},
2960	);	3702	};
2961	}	3703	}
2962		3704
2963	register_command "reload" => sub {	3705	register_command "reload" => sub {
2964	my ($who, $arg) = @_;	3706	my ($who, $arg) = @_;
2965		3707
2966	if ($who->flag (FLAG_WIZ)) {	3708	if ($who->flag (FLAG_WIZ)) {
2967	$who->message ("reloading server.");	3709	$who->message ("reloading server.");
		3710	async {
		3711	$Coro::current->{desc} = "perl_reload";
2968	async { reload_perl };	3712	reload_perl;
		3713	};
2969	}	3714	}
2970	};	3715	};
2971		3716
2972	unshift @INC, $LIBDIR;	3717	unshift @INC, $LIBDIR;
2973		3718
…		…
2975		3720
2976	our @WAIT_FOR_TICK;	3721	our @WAIT_FOR_TICK;
2977	our @WAIT_FOR_TICK_BEGIN;	3722	our @WAIT_FOR_TICK_BEGIN;
2978		3723
2979	sub wait_for_tick {	3724	sub wait_for_tick {
2980	return unless $TICK_WATCHER->is_active;
2981	return if $Coro::current == $Coro::main;	3725	return if tick_inhibit || $Coro::current == $Coro::main;
2982		3726
2983	my $signal = new Coro::Signal;	3727	my $signal = new Coro::Signal;
2984	push @WAIT_FOR_TICK, $signal;	3728	push @WAIT_FOR_TICK, $signal;
2985	$signal->wait;	3729	$signal->wait;
2986	}	3730	}
2987		3731
2988	sub wait_for_tick_begin {	3732	sub wait_for_tick_begin {
2989	return unless $TICK_WATCHER->is_active;
2990	return if $Coro::current == $Coro::main;	3733	return if tick_inhibit || $Coro::current == $Coro::main;
2991		3734
2992	my $signal = new Coro::Signal;	3735	my $signal = new Coro::Signal;
2993	push @WAIT_FOR_TICK_BEGIN, $signal;	3736	push @WAIT_FOR_TICK_BEGIN, $signal;
2994	$signal->wait;	3737	$signal->wait;
2995	}	3738	}
2996		3739
2997	my $min = 1e6;#d#	3740	sub tick {
2998	my $avg = 10;
2999	$TICK_WATCHER = Event->timer (
3000	reentrant => 0,
3001	parked => 1,
3002	prio => 0,
3003	at => $NEXT_TICK || $TICK,
3004	data => WF_AUTOCANCEL,
3005	cb => sub {
3006	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
3007	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3742	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3008	unless ++$bug_warning > 10;	3743	unless ++$bug_warning > 10;
3009	return;	3744	return;
3010	}	3745	}
3011		3746
3012	$NOW = $tick_start = Event::time;
3013
3014	cf::server_tick; # one server iteration	3747	cf::server_tick; # one server iteration
3015		3748
3016	0 && sync_job {#d#	3749	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3017	for(1..10) {	3750	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3018	my $t = Event::time;	3751	Coro::async_pool {
3019	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3752	$Coro::current->{desc} = "runtime saver";
3020	or die;	3753	write_runtime_sync
3021		3754	or warn "ERROR: unable to write runtime file: $!";
3022	$map->width (50);
3023	$map->height (50);
3024	$map->alloc;
3025	$map->_load_objects ("/tmp/x.map", 1);
3026	my $t = Event::time - $t;
3027
3028	#next unless $t < 0.0013;#d#
3029	if ($t < $min) {
3030	$min = $t;
3031	}
3032	$avg = $avg * 0.99 + $t * 0.01;
3033	}
3034	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3035	exit 0;
3036	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3037	};	3755	};
		3756	}
3038		3757
3039	$RUNTIME += $TICK;
3040	$NEXT_TICK += $TICK;
3041
3042	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3043	$NEXT_RUNTIME_WRITE = $NOW + 10;
3044	Coro::async_pool {
3045	write_runtime
3046	or warn "ERROR: unable to write runtime file: $!";
3047	};
3048	}
3049
3050	# my $AFTER = Event::time;
3051	# warn $AFTER - $NOW;#d#
3052
3053	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3758	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3054	$sig->send;	3759	$sig->send;
3055	}	3760	}
3056	while (my $sig = shift @WAIT_FOR_TICK) {	3761	while (my $sig = shift @WAIT_FOR_TICK) {
3057	$sig->send;	3762	$sig->send;
3058	}	3763	}
3059		3764
3060	$NOW = Event::time;	3765	$LOAD = ($NOW - $TICK_START) / $TICK;
3061
3062	# if we are delayed by four ticks or more, skip them all
3063	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3064
3065	$TICK_WATCHER->at ($NEXT_TICK);
3066	$TICK_WATCHER->start;
3067
3068	$LOAD = ($NOW - $tick_start) / $TICK;
3069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3766	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3070		3767
3071	_post_tick;	3768	if (0) {
3072		3769	if ($NEXT_TICK) {
3073		3770	my $jitter = $TICK_START - $NEXT_TICK;
		3771	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3772	warn "jitter $JITTER\n";#d#
		3773	}
3074	},	3774	}
3075	);	3775	}
3076		3776
3077	{	3777	{
3078	BDB::max_poll_time $TICK * 0.1;	3778	# configure BDB
3079	$BDB_POLL_WATCHER = Event->io (	3779
3080	reentrant => 0,
3081	fd => BDB::poll_fileno,
3082	poll => 'r',
3083	prio => 0,
3084	data => WF_AUTOCANCEL,
3085	cb => \&BDB::poll_cb,
3086	);
3087	BDB::min_parallel 8;	3780	BDB::min_parallel 8;
3088		3781	BDB::max_poll_reqs $TICK * 0.1;
3089	BDB::set_sync_prepare {	3782	$AnyEvent::BDB::WATCHER->priority (1);
3090	my $status;
3091	my $current = $Coro::current;
3092	(
3093	sub {
3094	$status = $!;
3095	$current->ready; undef $current;
3096	},
3097	sub {
3098	Coro::schedule while defined $current;
3099	$! = $status;
3100	},
3101	)
3102	};
3103		3783
3104	unless ($DB_ENV) {	3784	unless ($DB_ENV) {
3105	$DB_ENV = BDB::db_env_create;	3785	$DB_ENV = BDB::db_env_create;
		3786	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3787	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3788	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3789	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3790	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3106		3791
3107	cf::sync_job {	3792	cf::sync_job {
3108	eval {	3793	eval {
3109	BDB::db_env_open	3794	BDB::db_env_open
3110	$DB_ENV,	3795	$DB_ENV,
…		…
3112	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3797	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3113	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3798	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3114	0666;	3799	0666;
3115		3800
3116	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3801	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3117
3118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3119	$DB_ENV->set_lk_detect;
3120	};	3802	};
3121		3803
3122	cf::cleanup "db_env_open(db): $@" if $@;	3804	cf::cleanup "db_env_open(db): $@" if $@;
3123	};	3805	};
3124	}	3806	}
		3807
		3808	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3809	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3810	};
		3811	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3812	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3813	};
		3814	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3815	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3816	};
3125	}	3817	}
3126		3818
3127	{	3819	{
		3820	# configure IO::AIO
		3821
3128	IO::AIO::min_parallel 8;	3822	IO::AIO::min_parallel 8;
3129
3130	undef $Coro::AIO::WATCHER;
3131	IO::AIO::max_poll_time $TICK * 0.1;	3823	IO::AIO::max_poll_time $TICK * 0.1;
3132	$AIO_POLL_WATCHER = Event->io (	3824	undef $AnyEvent::AIO::WATCHER;
3133	reentrant => 0,
3134	data => WF_AUTOCANCEL,
3135	fd => IO::AIO::poll_fileno,
3136	poll => 'r',
3137	prio => 6,
3138	cb => \&IO::AIO::poll_cb,
3139	);
3140	}	3825	}
3141		3826
3142	my $_log_backtrace;	3827	my $_log_backtrace;
3143		3828
3144	sub _log_backtrace {	3829	sub _log_backtrace {
…		…
3148		3833
3149	# limit the # of concurrent backtraces	3834	# limit the # of concurrent backtraces
3150	if ($_log_backtrace < 2) {	3835	if ($_log_backtrace < 2) {
3151	++$_log_backtrace;	3836	++$_log_backtrace;
3152	async {	3837	async {
		3838	$Coro::current->{desc} = "abt $msg";
		3839
3153	my @bt = fork_call {	3840	my @bt = fork_call {
3154	@addr = map { sprintf "%x", $_ } @addr;	3841	@addr = map { sprintf "%x", $_ } @addr;
3155	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3842	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3156	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3843	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3157	or die "addr2line: $!";	3844	or die "addr2line: $!";

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