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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 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
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
98		132
99	binmode STDOUT;	133	binmode STDOUT;
100	binmode STDERR;	134	binmode STDERR;
101		135
102	# read virtual server time, if available	136	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
107	}	141	}
108		142
109	mkdir $_	143	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		189
156	The raw value load value from the last tick.	190	The raw value load value from the last tick.
157		191
158	=item %cf::CFG	192	=item %cf::CFG
159		193
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	195	from wherever your confdir points to.
162		196
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		198
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	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	200	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.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
169	=back	209	=back
170		210
171	=cut	211	=cut
172		212
173	BEGIN {	213	BEGIN {
…		…
177	$msg .= "\n"	217	$msg .= "\n"
178	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
179		219
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		221
182	utf8::encode $msg;
183	LOG llevError, $msg;	222	LOG llevError, $msg;
184	};	223	};
185	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
186		240
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	251	for my $pkg (qw(
198	cf::global cf::attachable	252	cf::global cf::attachable
199	cf::object cf::object::player	253	cf::object cf::object::player
200	cf::client cf::player	254	cf::client cf::player
201	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
202	cf::map cf::party cf::region	257	cf::party cf::region
203	)) {	258	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	260	}
207		261
208	$Event::DIED = sub {	262	$EV::DIED = sub {
209	warn "error in event callback: @_";	263	warn "error in event callback: @_";
210	};	264	};
211		265
212	#############################################################################	266	#############################################################################
213		267
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	291	$d
238	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
239	}	293	}
240		294
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
244		296
245	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
246		298
247	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
248		300
249	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
250		309
251	=item cf::lock_wait $string	310	=item cf::lock_wait $string
252		311
253	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
254		313
…		…
257	Wait until the given lock is available and then acquires it and returns	316	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,	317	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	318	for example when the coroutine gets canceled), the lock is automatically
260	returned.	319	returned.
261		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
262	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
264		326
265	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
266		328
267	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
268		330
269	=cut	331	=cut
270		332
271	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
272		335
273	sub lock_wait($) {	336	sub lock_wait($) {
274	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
275		343
276	# wait for lock, if any	344	# wait for lock, if any
277	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;	347	Coro::schedule;
…		…
285		353
286	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
287	lock_wait $key;	355	lock_wait $key;
288		356
289	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
290		359
291	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
292	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
294	}	364	}
295	}	365	}
296		366
…		…
299		369
300	! ! $LOCK{$key}	370	! ! $LOCK{$key}
301	}	371	}
302		372
303	sub freeze_mainloop {	373	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
305		375
306	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
307	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
308	};	437	}
309	$TICK_WATCHER->stop;	438	};
310	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
311	}	452	}
312		453
313	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
314		455
315	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		461
321	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
322		463
323	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
324		465
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	466	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	467	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	469	acceptable.
329		470
330	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		477
337	sub sync_job(&) {	478	sub sync_job(&) {
338	my ($job) = @_;	479	my ($job) = @_;
339		480
340	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	482	my $time = EV::time;
342		483
343	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
345		486
346	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	488
348	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
349		490
350	my $busy = 1;	491	my $busy = 1;
351	my @res;	492	my @res;
352		493
353	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	496	@res = eval { $job->() };
355	warn $@ if $@;	497	warn $@ if $@;
356	undef $busy;	498	undef $busy;
357	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
358		500
359	while ($busy) {	501	while ($busy) {
360	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
361	}	506	}
		507	}
362		508
363	$time = Event::time - $time;	509	my $time = EV::time - $time;
364		510
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	511	$TICK_START += $time; # do not account sync jobs to server load
369		512
370	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
371	} else {	514	} else {
372	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
373		516
…		…
398	=item fork_call { }, $args	541	=item fork_call { }, $args
399		542
400	Executes the given code block with the given arguments in a seperate	543	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	544	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	545	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	546	never block itself or use any form of event handling.
404		547
405	=cut	548	=cut
406		549
407	sub fork_call(&@) {	550	sub fork_call(&@) {
408	my ($cb, @args) = @_;	551	my ($cb, @args) = @_;
409		552
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	553	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	554	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	555	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		556
415	if (my $pid = fork) {	557	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;	558	reset_signals;
428	local $SIG{__WARN__};	559	&$cb
429	local $SIG{__DIE__};	560	}, @args;
430	eval {
431	close $fh1;
432		561
433	my @res = eval { $cb->(@args) };	562	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	563	}
435	};
436		564
437	warn $@ if $@;	565	=item $coin = coin_from_name $name
438	_exit 0;	566
439	}	567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
440	}	590	}
441		591
442	=item $value = cf::db_get $family => $key	592	=item $value = cf::db_get $family => $key
443		593
444	Returns a single value from the environment database.	594	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	596	=item cf::db_put $family => $key => $value
447		597
448	Stores the given C<$value> in the family. It can currently store binary	598	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).	599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
451	=cut	606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
452		624
453	our $DB;	625	our $DB;
454		626
455	sub db_init {	627	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	628	cf::sync_job {
460	eval {	629	$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	}	630	};
470	}	631	}
471		632
472	sub db_get($$) {	633	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	634	my $key = "$_[0]/$_[1]";
474		635
…		…
524	if (1) {	685	if (1) {
525	$md5 =	686	$md5 =
526	join "\x00",	687	join "\x00",
527	$processversion,	688	$processversion,
528	map {	689	map {
529	Coro::cede;	690	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	691	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	692	} 0.. $#$src;
532		693
533		694
534	my $dbmd5 = db_get cache => "$id/md5";	695	my $dbmd5 = db_get cache => "$id/md5";
…		…
572		733
573	#############################################################################	734	#############################################################################
574		735
575	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
576		737
577	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
580		741
581	In the following description, CLASS can be any of C<global>, C<object>	742	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	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	744	Deliantra).
584		745
585	=over 4	746	=over 4
586		747
587	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
588		749
…		…
632	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
633		794
634	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
636		797
637	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
639		800
640	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
641		802
642	=over 4	803	=over 4
…		…
840	";	1001	";
841	die if $@;	1002	die if $@;
842	}	1003	}
843		1004
844	our $override;	1005	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1007
847	sub override {	1008	sub override {
848	$override = 1;	1009	$override = 1;
849	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
850	}	1011	}
851		1012
852	sub do_invoke {	1013	sub do_invoke {
853	my $event = shift;	1014	my $event = shift;
854	my $callbacks = shift;	1015	my $callbacks = shift;
855		1016
856	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
857		1018
858	local $override;	1019	local $override;
859		1020
860	for (@$callbacks) {	1021	for (@$callbacks) {
861	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
870	}	1031	}
871		1032
872	0	1033	0
873	}	1034	}
874		1035
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1037
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1039
879	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
880		1041
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	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	1043	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1045
885	=back	1046	=back
886		1047
887	=cut	1048	=cut
888		1049
889	#############################################################################	1050	#############################################################################
890	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
891		1094
892	sub reattach {	1095	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1097	my ($obj) = @_;
895		1098
		1099	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1101
898	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
899		1103
900	@$registry = ();	1104	@$registry = ();
901		1105
…		…
916	cf::attachable->attach (	1120	cf::attachable->attach (
917	prio => -1000000,	1121	prio => -1000000,
918	on_instantiate => sub {	1122	on_instantiate => sub {
919	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
920		1124
921	$data = from_json $data;	1125	$data = decode_json $data;
922		1126
923	for (@$data) {	1127	for (@$data) {
924	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
925		1129
926	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1146	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
944		1148
945	sync_job {	1149	sync_job {
946	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
949		1154
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
954	close $fh;	1159	aio_close $fh;
955		1160
956	if (@$objs) {	1161	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
962	close $fh;	1167	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
964	}	1169	}
965	} else {	1170	} else {
966	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
967	}	1172	}
…		…
972	}	1177	}
973	} else {	1178	} else {
974	aio_unlink $filename;	1179	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
976	}	1181	}
977	}	1182	};
978	}	1183	}
979		1184
980	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
982		1187
…		…
994	or return;	1199	or return;
995		1200
996	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
998	or return;	1203	or return;
		1204
999	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
1000	}	1207	}
1001		1208
		1209	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1211	$decname, length $data, scalar @{$av || []};
		1212
1004	return ($data, $av);	1213	($data, $av)
1005	}	1214	}
1006		1215
1007	=head2 COMMAND CALLBACKS	1216	=head2 COMMAND CALLBACKS
1008		1217
1009	=over 4	1218	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1239	}
1031		1240
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1242
1034	Register a callback fro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
1035		1248
1036	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
1037	called.	1250	called.
1038		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
1039	=cut	1263	=cut
1040		1264
1041	sub register_extcmd {	1265	sub register_extcmd {
1042	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
1043		1267
1044	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
1045	}	1275	}
1046		1276
1047	cf::player->attach (	1277	cf::player->attach (
1048	on_command => sub {	1278	on_command => sub {
1049	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
1058	cf::override;	1288	cf::override;
1059	},	1289	},
1060	on_extcmd => sub {	1290	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
1062		1292
1063	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1294
1065	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
1071	} else {	1310	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1312	}
1074		1313
1075	cf::override;	1314	cf::override;
…		…
1102		1341
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1344
1106	$ext{source} =	1345	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1347	. "#line 1 \"$path\"\n{\n"
1109	. $source	1348	. $source
1110	. "\n};\n1";	1349	. "\n};\n1";
1111		1350
1112	$todo{$base} = \%ext;	1351	$todo{$base} = \%ext;
…		…
1128	my $msg = $@ ? "$v->{path}: $@\n"	1367	my $msg = $@ ? "$v->{path}: $@\n"
1129	: "$v->{base}: extension inactive.\n";	1368	: "$v->{base}: extension inactive.\n";
1130		1369
1131	if (exists $v->{meta}{mandatory}) {	1370	if (exists $v->{meta}{mandatory}) {
1132	warn $msg;	1371	warn $msg;
1133	warn "mandatory extension failed to load, exiting.\n";	1372	cf::cleanup "mandatory extension failed to load, exiting.";
1134	exit 1;
1135	}	1373	}
1136		1374
1137	warn $msg;	1375	warn $msg;
1138	}	1376	}
1139		1377
…		…
1153		1391
1154	=back	1392	=back
1155		1393
1156	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
1157		1395
1158	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
1159		1397
1160	=cut	1398	=cut
1161		1399
1162	package cf::player;	1400	package cf::player;
1163		1401
1164	use Coro::AIO;	1402	use Coro::AIO;
1165		1403
1166	=head3 cf::player	1404	=head3 cf::player
1167		1405
1168	=over 4	1406	=over 4
		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
1169		1421
1170	=item cf::player::find $login	1422	=item cf::player::find $login
1171		1423
1172	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
1173		1425
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1465
1214	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1217	}	1475	}
1218	}	1476	}
1219	}	1477	}
1220		1478
…		…
1229	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1230		1488
1231	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1233		1491
		1492	cf::get_slot 0.01;
		1493
1234	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1235	Coro::cede;	1495	cf::cede_to_tick;
1236	}	1496	}
1237		1497
1238	sub new($) {	1498	sub new($) {
1239	my ($login) = @_;	1499	my ($login) = @_;
1240		1500
…		…
1246	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1247		1507
1248	$self	1508	$self
1249	}	1509	}
1250		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1251	=item $pl->quit_character	1521	=item $pl->quit_character
1252		1522
1253	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1255		1525
…		…
1259	my ($pl) = @_;	1529	my ($pl) = @_;
1260		1530
1261	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1262		1532
1263	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1535
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1270		1542
1271	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1580	or return [];
1309		1581
1310	my @logins;	1582	my @logins;
1311		1583
1312	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1316		1594
1317	utf8::decode $login;	1595	utf8::decode $login;
1318	push @logins, $login;	1596	push @logins, $login;
1319	}	1597	}
1320		1598
…		…
1347	}	1625	}
1348		1626
1349	\@paths	1627	\@paths
1350	}	1628	}
1351		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1352	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1353		1635
1354	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1355		1637
1356	=cut	1638	=cut
1357		1639
1358	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1360		1642
1361	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1644	}
1365		1645
1366	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1367		1647
1368	Sends an ext event to the client.	1648	Sends an ext event to the client.
1369		1649
1370	=cut	1650	=cut
1371		1651
1372	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1374		1654
1375	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1376	}	1656	}
1377		1657
1378	=head3 cf::region	1658	=head3 cf::region
1379		1659
1380	=over 4	1660	=over 4
…		…
1393	my ($path) = @_;	1673	my ($path) = @_;
1394		1674
1395	my ($match, $specificity);	1675	my ($match, $specificity);
1396		1676
1397	for my $region (list) {	1677	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1401	}	1681	}
1402	}	1682	}
1403		1683
…		…
1424	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1426		1706
1427	sub generate_random_map {	1707	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1429	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1430	$self->_create_random_map (	1713	$self->_create_random_map (
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1523	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1524	return $self;	1807	return $self;
1525	}	1808	}
1526	}	1809	}
1527		1810
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1529	()	1812	()
1530	}	1813	}
1531		1814
1532	sub init {	1815	sub init {
1533	my ($self) = @_;	1816	my ($self) = @_;
…		…
1555		1838
1556	# the temporary/swap location	1839	# the temporary/swap location
1557	sub save_path {	1840	sub save_path {
1558	my ($self) = @_;	1841	my ($self) = @_;
1559		1842
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1562	}	1845	}
1563		1846
1564	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1565	sub uniq_path {	1848	sub uniq_path {
1566	my ($self) = @_;	1849	my ($self) = @_;
1567		1850
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1570	}	1853	}
1571		1854
1572	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1573	# all maps in C++...	1856	# all maps in C++...
…		…
1596		1879
1597	sub load_header_from($) {	1880	sub load_header_from($) {
1598	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1599		1882
1600	utf8::encode $path;	1883	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1606		1892
1607	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1608		1894
1609	1	1895	1
1610	}	1896	}
…		…
1664	sub find {	1950	sub find {
1665	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1666		1952
1667	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1668		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1670		1957
1671	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1672	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1673	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1674	or return;	1963	or return;
1675		1964
1676	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1677		1966
…		…
1679	or return;	1968	or return;
1680		1969
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1684	$map->reset;	1975	$map->reset;
1685	undef $guard;
1686	return find $path;	1976	return find $path;
1687	}	1977	}
1688		1978
1689	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1690	}	1980	}
…		…
1699	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1700		1990
1701	my $path = $self->{path};	1991	my $path = $self->{path};
1702		1992
1703	{	1993	{
1704	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1705		1995
		1996	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1707		1998
1708	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1709		2000
1710	$self->alloc;	2001	$self->alloc;
1711		2002
1712	$self->pre_load;	2003	$self->pre_load;
1713	Coro::cede;	2004	cf::cede_to_tick;
1714		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1715	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1716	or return;	2009	or return;
1717		2010
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1719	if delete $self->{load_original};	2012	if delete $self->{load_original};
1720		2013
1721	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2015	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2018	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1726	}	2022	}
1727	}	2023	}
1728		2024
1729	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1730	# now do the right thing for maps	2028	# now do the right thing for maps
1731	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2031	unless $self->difficulty;
1734	Coro::cede;	2032	cf::cede_to_tick;
1735		2033
1736	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2035	$self->decay_objects;
1738	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1739	$self->update_buttons;	2037	$self->update_buttons;
1740	Coro::cede;	2038	cf::cede_to_tick;
1741	$self->set_darkness_map;	2039	$self->set_darkness_map;
1742	Coro::cede;	2040	cf::cede_to_tick;
1743	$self->activate;	2041	$self->activate;
1744	}	2042	}
1745		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1747	}	2048	}
1748		2049
1749	$self->post_load;	2050	$self->post_load;
1750	}	2051	}
1751		2052
…		…
1760		2061
1761	$self	2062	$self
1762	}	2063	}
1763		2064
1764	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2066	sub load_neighbours {
1766	my ($map) = @_;	2067	my ($map) = @_;
1767		2068
1768	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1769		2070
1770	for (0 .. 3) {	2071	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1772	or next;	2073	or next;
1773	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1774	or next;	2075	or next;
1775	$neigh->load;	2076	$neigh->load;
1776		2077
		2078	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2081	}
1780		2082
1781	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1783	or next;	2086	or next;
1784	$neigh->load;	2087	$neigh->load;
1785	}	2088	}
1786	}	2089	}
1787		2090
…		…
1792	}	2095	}
1793		2096
1794	sub do_load_sync {	2097	sub do_load_sync {
1795	my ($map) = @_;	2098	my ($map) = @_;
1796		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1797	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1798	}	2104	}
1799		2105
1800	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1802		2108
1803	sub find_async {	2109	sub find_async {
1804	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1805		2111
1806	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1807		2113
1808	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810	}	2116	}
1811		2117
1812	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1813	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1814	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2125	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2126	$map->load if $v;
		2127	}
1819		2128
1820	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1821	}	2130	}
1822	}	2131	}
1823	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1824	};	2133	};
1825	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1828	}	2137	}
1829		2138
1830	sub save {	2139	sub save {
1831	my ($self) = @_;	2140	my ($self) = @_;
1832		2141
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1834		2143
1835	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1836		2145
1837	return unless $self->dirty;	2146	return unless $self->dirty;
1838		2147
…		…
1844	return if $self->{deny_save};	2153	return if $self->{deny_save};
1845		2154
1846	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1847		2156
1848	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1850	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1851		2163
1852	if ($uniq) {	2164	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2167	} else {
…		…
1861	my ($self) = @_;	2173	my ($self) = @_;
1862		2174
1863	# save first because save cedes	2175	# save first because save cedes
1864	$self->save;	2176	$self->save;
1865		2177
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2179
1868	return if $self->players;	2180	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1870	return if $self->{deny_save};	2182	return if $self->{deny_save};
1871		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1872	$self->clear;	2188	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2189	}
1875		2190
1876	sub reset_at {	2191	sub reset_at {
1877	my ($self) = @_;	2192	my ($self) = @_;
1878		2193
…		…
1910	if $uniq;	2225	if $uniq;
1911	}	2226	}
1912		2227
1913	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1914		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2232	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2233
1919	$self->unlink_save;	2234	$self->unlink_save;
1920	$self->destroy;	2235	$self->destroy;
1921	}	2236	}
1922		2237
1923	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1924		2239
1925	sub nuke {	2240	sub nuke {
1926	my ($self) = @_;	2241	my ($self) = @_;
1927		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1928	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1929		2247
1930	$self->unlink_save;	2248	$self->unlink_save;
1931		2249
1932	bless $self, "cf::map";	2250	bless $self, "cf::map";
1933	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2255
1938	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1939		2258
1940	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
1941	}	2260	}
1942		2261
1943	=item $maps = cf::map::tmp_maps	2262	=item $maps = cf::map::tmp_maps
…		…
1985		2304
1986	sub unique_maps() {	2305	sub unique_maps() {
1987	[	2306	[
1988	map {	2307	map {
1989	utf8::decode $_;	2308	utf8::decode $_;
1990	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
1991	? normalise $_	2312	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2314	]
1995	}	2315	}
1996		2316
1997	package cf;
1998
1999	=back	2317	=back
2000		2318
2001	=head3 cf::object	2319	=head3 cf::object
2002		2320
2003	=cut	2321	=cut
…		…
2006		2324
2007	=over 4	2325	=over 4
2008		2326
2009	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2010		2328
2011	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2012		2331
2013	=cut	2332	=cut
2014		2333
2015	sub inv_recursive_;	2334	sub inv_recursive_;
2016	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2019		2338
2020	sub inv_recursive {	2339	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2022	}	2341	}
2023		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
2024	package cf;	2371	package cf;
2025		2372
2026	=back	2373	=back
2027		2374
2028	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2037		2384
2038	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
2039		2400
2040	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2402	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
2045		2406
2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047		2408
2048	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
2050	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
2051	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2052	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
2053	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
2054	}	2434	}
2055		2435
2056	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
2057		2437
2058	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
2071		2451
2072	=item $player_object->enter_link	2452	=item $player_object->enter_link
2073		2453
2074	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2075		2455
2076	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
2077	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2078		2460
2079	Will never block.	2461	Will never block.
2080		2462
2081	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2082		2464
…		…
2137	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
2138	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
2139	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
2140		2522
2141	$map->load;	2523	$map->load;
2142	$map->load_diag;	2524	$map->load_neighbours;
2143		2525
2144	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2145	$self->activate_recursive;	2528	$self->activate_recursive;
2146		2529
2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2149	}	2532	}
2150		2533
2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2152		2535
2153	Moves the player to the given map-path and coordinates by first freezing	2536	Moves the player to the given map-path and coordinates by first freezing
2154	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2155	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
2156	the new (success) or old (failed) map position.	2539	the new (success) or old (failed) map position. In either case, $done will
		2540	be called at the end of this process.
		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
2157		2544
2158	=cut	2545	=cut
2159		2546
2160	our $GOTOGEN;	2547	our $GOTOGEN;
2161		2548
2162	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
2163	my ($self, $path, $x, $y, $check) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
2164		2551
2165	# do generation counting so two concurrent goto's will be executed in-order	2552	# do generation counting so two concurrent goto's will be executed in-order
2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167		2554
2168	$self->enter_link;	2555	$self->enter_link;
2169		2556
2170	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
2171	my $map = eval {	2579	my $map = eval {
2172	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
2173		2581
2174	if ($map) {	2582	if ($map) {
2175	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
2176	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
2177	} else {	2585	} else {
2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179	}	2587	}
2180		2588
2181	$map	2589	$map
2182	};	2590	};
2183		2591
…		…
2188		2596
2189	if ($gen == $self->{_goto_generation}) {	2597	if ($gen == $self->{_goto_generation}) {
2190	delete $self->{_goto_generation};	2598	delete $self->{_goto_generation};
2191	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
2192	}	2600	}
		2601
		2602	$done->() if $done;
2193	})->prio (1);	2603	})->prio (1);
2194	}	2604	}
2195		2605
2196	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
2197		2607
…		…
2217	}	2627	}
2218		2628
2219	sub prepare_random_map {	2629	sub prepare_random_map {
2220	my ($exit) = @_;	2630	my ($exit) = @_;
2221		2631
2222	my $guard = cf::lock_acquire "exit_prepare:$exit";
2223
2224	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2225	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2226	# that depends on the exit object	2634	# that depends on the exit object
2227		2635
2228	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2230	if ($exit->map) {	2638	if ($exit->map) {
2231	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2232	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2233	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2234	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2235	}	2645	}
2236		2646
2237	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2238		2648
2239	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2240	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2241	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2242		2652
2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2245	undef $fh;	2655	undef $fh;
2246	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2247		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2248	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2249	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2250	}	2664	}
2251	}	2665	}
2252		2666
2253	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2254	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2255		2669
2256	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2257		2671
2258	if ($exit->slaying eq "/!") {
2259	#TODO: this should de-fi-ni-te-ly not be a sync-job
2260	# the problem is that $exit might not survive long enough
2261	# so it needs to be done right now, right here
2262	cf::sync_job { prepare_random_map $exit };
2263	}
2264
2265	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2266	my $hp = $exit->stats->hp;
2267	my $sp = $exit->stats->sp;
2268
2269	$self->enter_link;	2672	$self->enter_link;
2270		2673
2271	(async {	2674	(async {
2272	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2273	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2274	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2275		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2276	1;	2698	1
2277	}) {	2699	}) {
2278	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2279	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2280	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2281	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2282		2704
2283	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2302		2724
2303	utf8::encode $text;	2725	utf8::encode $text;
2304	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2305	}	2727	}
2306		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/uptime" => {
		2777	id => "infobox",
		2778	title => "Uptime",
		2779	reply => undef,
		2780	tooltip => "How long the server has been running since last restart",
		2781	},
		2782	"c/mapinfo" => {
		2783	id => "infobox",
		2784	title => "Map Info",
		2785	reply => undef,
		2786	tooltip => "Information related to the maps",
		2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
		2794	);
		2795
		2796	sub cf::client::send_msg {
		2797	my ($self, $channel, $msg, $color, @extra) = @_;
		2798
		2799	$msg = $self->pl->expand_cfpod ($msg)
		2800	unless $color & cf::NDI_VERBATIM;
		2801
		2802	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2803
		2804	# check predefined channels, for the benefit of C
		2805	if ($CHANNEL{$channel}) {
		2806	$channel = $CHANNEL{$channel};
		2807
		2808	$self->ext_msg (channel_info => $channel)
		2809	if $self->can_msg;
		2810
		2811	$channel = $channel->{id};
		2812
		2813	} elsif (ref $channel) {
		2814	# send meta info to client, if not yet sent
		2815	unless (exists $self->{channel}{$channel->{id}}) {
		2816	$self->{channel}{$channel->{id}} = $channel;
		2817	$self->ext_msg (channel_info => $channel)
		2818	if $self->can_msg;
		2819	}
		2820
		2821	$channel = $channel->{id};
		2822	}
		2823
		2824	return unless @extra || length $msg;
		2825
		2826	if ($self->can_msg) {
		2827	# default colour, mask it out
		2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2829	if $color & cf::NDI_DEF;
		2830
		2831	my $pkt = "msg "
		2832	. $self->{json_coder}->encode (
		2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2834	);
		2835
		2836	# try lzf for large packets
		2837	$pkt = "lzf " . Compress::LZF::compress $pkt
		2838	if 1024 <= length $pkt and $self->{can_lzf};
		2839
		2840	# split very large packets
		2841	if (8192 < length $pkt and $self->{can_lzf}) {
		2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2843	$pkt = "frag";
		2844	}
		2845
		2846	$self->send_packet ($pkt);
		2847	} else {
		2848	if ($color >= 0) {
		2849	# replace some tags by gcfclient-compatible ones
		2850	for ($msg) {
		2851	1 while
		2852	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2853	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2854	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2855	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2856	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2857	}
		2858
		2859	$color &= cf::NDI_COLOR_MASK;
		2860
		2861	utf8::encode $msg;
		2862
		2863	if (0 && $msg =~ /\[/) {
		2864	# COMMAND/INFO
		2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2866	} else {
		2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2868	$self->send_packet ("drawinfo $color $msg")
		2869	}
		2870	}
		2871	}
		2872	}
		2873
2307	=item $client->ext_event ($type, %msg)	2874	=item $client->ext_msg ($type, @msg)
2308		2875
2309	Sends an exti event to the client.	2876	Sends an ext event to the client.
2310		2877
2311	=cut	2878	=cut
2312		2879
2313	sub cf::client::ext_event($$%) {	2880	sub cf::client::ext_msg($$@) {
2314	my ($self, $type, %msg) = @_;	2881	my ($self, $type, @msg) = @_;
2315		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2885	} elsif ($self->extcmd == 1) { # TODO: remove
2316	$msg{msgtype} = "event_$type";	2886	push @msg, msgtype => "event_$type";
2317	$self->send_packet ("ext " . cf::to_json \%msg);	2887	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2888	}
		2889	}
		2890
		2891	=item $client->ext_reply ($msgid, @msg)
		2892
		2893	Sends an ext reply to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_reply($$@) {
		2898	my ($self, $id, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2902	} elsif ($self->extcmd == 1) {
		2903	#TODO: version 1, remove
		2904	unshift @msg, msgtype => "reply", msgid => $id;
		2905	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2906	}
2318	}	2907	}
2319		2908
2320	=item $success = $client->query ($flags, "text", \&cb)	2909	=item $success = $client->query ($flags, "text", \&cb)
2321		2910
2322	Queues a query to the client, calling the given callback with	2911	Queues a query to the client, calling the given callback with
2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325		2914
2326	Queries can fail, so check the return code. Or don't, as queries will become	2915	Queries can fail, so check the return code. Or don't, as queries will
2327	reliable at some point in the future.	2916	become reliable at some point in the future.
2328		2917
2329	=cut	2918	=cut
2330		2919
2331	sub cf::client::query {	2920	sub cf::client::query {
2332	my ($self, $flags, $text, $cb) = @_;	2921	my ($self, $flags, $text, $cb) = @_;
…		…
2340	utf8::encode $text;	2929	utf8::encode $text;
2341	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342		2931
2343	$self->send_packet ($self->{query_queue}[0][0])	2932	$self->send_packet ($self->{query_queue}[0][0])
2344	if @{ $self->{query_queue} } == 1;	2933	if @{ $self->{query_queue} } == 1;
		2934
		2935	1
2345	}	2936	}
2346		2937
2347	cf::client->attach (	2938	cf::client->attach (
		2939	on_connect => sub {
		2940	my ($ns) = @_;
		2941
		2942	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2943	},
2348	on_reply => sub {	2944	on_reply => sub {
2349	my ($ns, $msg) = @_;	2945	my ($ns, $msg) = @_;
2350		2946
2351	# this weird shuffling is so that direct followup queries	2947	# this weird shuffling is so that direct followup queries
2352	# get handled first	2948	# get handled first
…		…
2364	} else {	2960	} else {
2365	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2961	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366	}	2962	}
2367	}	2963	}
2368	},	2964	},
		2965	on_exticmd => sub {
		2966	my ($ns, $buf) = @_;
		2967
		2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2969
		2970	if (ref $msg) {
		2971	my ($type, $reply, @payload) =
		2972	"ARRAY" eq ref $msg
		2973	? @$msg
		2974	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2975
		2976	my @reply;
		2977
		2978	if (my $cb = $EXTICMD{$type}) {
		2979	@reply = $cb->($ns, @payload);
		2980	}
		2981
		2982	$ns->ext_reply ($reply, @reply)
		2983	if $reply;
		2984
		2985	} else {
		2986	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2987	}
		2988
		2989	cf::override;
		2990	},
2369	);	2991	);
2370		2992
2371	=item $client->async (\&cb)	2993	=item $client->async (\&cb)
2372		2994
2373	Create a new coroutine, running the specified callback. The coroutine will	2995	Create a new coroutine, running the specified callback. The coroutine will
…		…
2414	our $safe = new Safe "safe";	3036	our $safe = new Safe "safe";
2415	our $safe_hole = new Safe::Hole;	3037	our $safe_hole = new Safe::Hole;
2416		3038
2417	$SIG{FPE} = 'IGNORE';	3039	$SIG{FPE} = 'IGNORE';
2418		3040
2419	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3041	$safe->permit_only (Opcode::opset qw(
		3042	:base_core :base_mem :base_orig :base_math
		3043	grepstart grepwhile mapstart mapwhile
		3044	sort time
		3045	));
2420		3046
2421	# here we export the classes and methods available to script code	3047	# here we export the classes and methods available to script code
2422		3048
2423	=pod	3049	=pod
2424		3050
2425	The following functions and methods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2426		3052
2427	cf::object contr pay_amount pay_player map	3053	cf::object
		3054	contr pay_amount pay_player map x y force_find force_add destroy
		3055	insert remove name archname title slaying race decrease split
		3056
2428	cf::object::player player	3057	cf::object::player
2429	cf::player peaceful	3058	player
2430	cf::map trigger	3059
		3060	cf::player
		3061	peaceful
		3062
		3063	cf::map
		3064	trigger
2431		3065
2432	=cut	3066	=cut
2433		3067
2434	for (	3068	for (
2435	["cf::object" => qw(contr pay_amount pay_player map)],	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3070	insert remove inv nrof name archname title slaying race
		3071	decrease split destroy change_exp)],
2436	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2437	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2438	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2439	) {	3075	) {
2440	no strict 'refs';	3076	no strict 'refs';
…		…
2516	# the server's init and main functions	3152	# the server's init and main functions
2517		3153
2518	sub load_facedata($) {	3154	sub load_facedata($) {
2519	my ($path) = @_;	3155	my ($path) = @_;
2520		3156
		3157	# HACK to clear player env face cache, we need some signal framework
		3158	# for this (global event?)
		3159	%ext::player_env::MUSIC_FACE_CACHE = ();
		3160
		3161	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3162
2521	warn "loading facedata from $path\n";	3163	warn "loading facedata from $path\n";
2522		3164
2523	my $facedata;	3165	my $facedata;
2524	0 < aio_load $path, $facedata	3166	0 < aio_load $path, $facedata
2525	or die "$path: $!";	3167	or die "$path: $!";
…		…
2527	$facedata = Coro::Storable::thaw $facedata;	3169	$facedata = Coro::Storable::thaw $facedata;
2528		3170
2529	$facedata->{version} == 2	3171	$facedata->{version} == 2
2530	or cf::cleanup "$path: version mismatch, cannot proceed.";	3172	or cf::cleanup "$path: version mismatch, cannot proceed.";
2531		3173
		3174	# patch in the exptable
		3175	$facedata->{resource}{"res/exp_table"} = {
		3176	type => FT_RSRC,
		3177	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3178	};
		3179	cf::cede_to_tick;
		3180
2532	{	3181	{
2533	my $faces = $facedata->{faceinfo};	3182	my $faces = $facedata->{faceinfo};
2534		3183
2535	while (my ($face, $info) = each %$faces) {	3184	while (my ($face, $info) = each %$faces) {
2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3186
2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3187	cf::face::set_visibility $idx, $info->{visibility};
		3188	cf::face::set_magicmap $idx, $info->{magicmap};
2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2540	Coro::cede;	3191
		3192	cf::cede_to_tick;
2541	}	3193	}
2542		3194
2543	while (my ($face, $info) = each %$faces) {	3195	while (my ($face, $info) = each %$faces) {
2544	next unless $info->{smooth};	3196	next unless $info->{smooth};
		3197
2545	my $idx = cf::face::find $face	3198	my $idx = cf::face::find $face
2546	or next;	3199	or next;
		3200
2547	if (my $smooth = cf::face::find $info->{smooth}) {	3201	if (my $smooth = cf::face::find $info->{smooth}) {
		3202	cf::face::set_smooth $idx, $smooth;
2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549	} else {	3204	} else {
2550	warn "smooth face '$info->{smooth}' not found for face '$face'";	3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
2551	}	3206	}
2552	Coro::cede;	3207
		3208	cf::cede_to_tick;
2553	}	3209	}
2554	}	3210	}
2555		3211
2556	{	3212	{
2557	my $anims = $facedata->{animinfo};	3213	my $anims = $facedata->{animinfo};
2558		3214
2559	while (my ($anim, $info) = each %$anims) {	3215	while (my ($anim, $info) = each %$anims) {
2560	cf::anim::set $anim, $info->{frames}, $info->{facings};	3216	cf::anim::set $anim, $info->{frames}, $info->{facings};
2561	Coro::cede;	3217	cf::cede_to_tick;
2562	}	3218	}
2563		3219
2564	cf::anim::invalidate_all; # d'oh	3220	cf::anim::invalidate_all; # d'oh
2565	}	3221	}
2566		3222
		3223	{
		3224	# TODO: for gcfclient pleasure, we should give resources
		3225	# that gcfclient doesn't grok a >10000 face index.
		3226	my $res = $facedata->{resource};
		3227
		3228	while (my ($name, $info) = each %$res) {
		3229	if (defined $info->{type}) {
		3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3231	my $data;
		3232
		3233	if ($info->{type} & 1) {
		3234	# prepend meta info
		3235
		3236	my $meta = $enc->encode ({
		3237	name => $name,
		3238	%{ $info->{meta} || {} },
		3239	});
		3240
		3241	$data = pack "(w/a*)*", $meta, $info->{data};
		3242	} else {
		3243	$data = $info->{data};
		3244	}
		3245
		3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3247	cf::face::set_type $idx, $info->{type};
		3248	} else {
		3249	$RESOURCE{$name} = $info;
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3257
2567	1	3258	1
2568	}	3259	}
2569		3260
		3261	cf::global->attach (on_resource_update => sub {
		3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3264
		3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3266	my $sound = $soundconf->{compat}[$_]
		3267	or next;
		3268
		3269	my $face = cf::face::find "sound/$sound->[1]";
		3270	cf::sound::set $sound->[0] => $face;
		3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3272	}
		3273
		3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3275	my $face = cf::face::find "sound/$v";
		3276	cf::sound::set $k => $face;
		3277	}
		3278	}
		3279	});
		3280
		3281	register_exticmd fx_want => sub {
		3282	my ($ns, $want) = @_;
		3283
		3284	while (my ($k, $v) = each %$want) {
		3285	$ns->fx_want ($k, $v);
		3286	}
		3287	};
		3288
		3289	sub load_resource_file($) {
		3290	my $guard = lock_acquire "load_resource_file";
		3291
		3292	my $status = load_resource_file_ $_[0];
		3293	get_slot 0.1, 100;
		3294	cf::arch::commit_load;
		3295
		3296	$status
		3297	}
		3298
2570	sub reload_regions {	3299	sub reload_regions {
		3300	# HACK to clear player env face cache, we need some signal framework
		3301	# for this (global event?)
		3302	%ext::player_env::MUSIC_FACE_CACHE = ();
		3303
2571	load_resource_file "$MAPDIR/regions"	3304	load_resource_file "$MAPDIR/regions"
2572	or die "unable to load regions file\n";	3305	or die "unable to load regions file\n";
		3306
		3307	for (cf::region::list) {
		3308	$_->{match} = qr/$_->{match}/
		3309	if exists $_->{match};
		3310	}
2573	}	3311	}
2574		3312
2575	sub reload_facedata {	3313	sub reload_facedata {
2576	load_facedata "$DATADIR/facedata"	3314	load_facedata "$DATADIR/facedata"
2577	or die "unable to load facedata\n";	3315	or die "unable to load facedata\n";
…		…
2588	}	3326	}
2589		3327
2590	sub reload_resources {	3328	sub reload_resources {
2591	warn "reloading resource files...\n";	3329	warn "reloading resource files...\n";
2592		3330
		3331	reload_facedata;
		3332	reload_archetypes;
2593	reload_regions;	3333	reload_regions;
2594	reload_facedata;
2595	#reload_archetypes;#d#
2596	reload_archetypes;
2597	reload_treasures;	3334	reload_treasures;
2598		3335
2599	warn "finished reloading resource files\n";	3336	warn "finished reloading resource files\n";
2600	}	3337	}
2601		3338
2602	sub init {	3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
2603	reload_resources;	3344	reload_resources;
2604	}	3345	}
2605		3346
2606	sub cfg_load {	3347	sub reload_config {
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2608	or return;	3349	or return;
2609		3350
2610	local $/;	3351	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2612		3353
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2614		3355
2615	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2622	};	3363	};
2623	warn $@ if $@;	3364	warn $@ if $@;
2624	}	3365	}
2625	}	3366	}
2626		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2627	sub main {	3387	sub main {
		3388	atomic;
		3389
2628	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3393	(async {
2632	Event::one_event;	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3395	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
2634	};	3397	};
2635		3398
2636	cfg_load;	3399	{
		3400	my $guard = freeze_mainloop;
		3401	reload_config;
2637	db_init;	3402	db_init;
2638	load_extensions;	3403	load_extensions;
2639		3404
2640	$TICK_WATCHER->start;	3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3406	}
		3407
		3408	utime time, time, $RUNTIMEFILE;
		3409
		3410	# no (long-running) fork's whatsoever before this point(!)
		3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3412
2641	Event::loop;	3413	EV::loop;
2642	}	3414	}
2643		3415
2644	#############################################################################	3416	#############################################################################
2645	# initialisation and cleanup	3417	# initialisation and cleanup
2646		3418
2647	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
2648	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
2657	},
2658	);	3425	};
2659	}	3426	}
2660	}	3427	}
2661		3428
2662	sub write_runtime {	3429	sub write_runtime_sync {
2663	my $runtime = "$LOCALDIR/runtime";
2664
2665	# first touch the runtime file to show we are still running:	3430	# first touch the runtime file to show we are still running:
2666	# the fsync below can take a very very long time.	3431	# the fsync below can take a very very long time.
2667		3432
2668	IO::AIO::aio_utime $runtime, undef, undef;	3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2669		3434
2670	my $guard = cf::lock_acquire "write_runtime";	3435	my $guard = cf::lock_acquire "write_runtime";
2671		3436
2672	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2673	or return;	3438	or return;
2674		3439
2675	my $value = $cf::RUNTIME + 90 + 10;	3440	my $value = $cf::RUNTIME + 90 + 10;
2676	# 10 is the runtime save interval, for a monotonic clock	3441	# 10 is the runtime save interval, for a monotonic clock
2677	# 60 allows for the watchdog to kill the server.	3442	# 60 allows for the watchdog to kill the server.
…		…
2687	aio_utime $fh, undef, undef;	3452	aio_utime $fh, undef, undef;
2688		3453
2689	close $fh	3454	close $fh
2690	or return;	3455	or return;
2691		3456
2692	aio_rename "$runtime~", $runtime	3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2693	and return;	3458	and return;
2694		3459
2695	warn "runtime file written.\n";	3460	warn "runtime file written.\n";
2696		3461
2697	1	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2698	}	3506	}
2699		3507
2700	sub emergency_save() {	3508	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2702		3510
…		…
2708	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3522	$pl->save;
2714	}	3523	}
2715	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2716		3525
2717	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2723	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
2724		3533
2725	warn "begin emergency database checkpoint\n";	3534	warn "begin emergency database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3535	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2728	};	3541	};
2729		3542
2730	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2731	}	3544	}
2732		3545
2733	sub post_cleanup {	3546	sub post_cleanup {
2734	my ($make_core) = @_;	3547	my ($make_core) = @_;
2735		3548
2736	warn Carp::longmess "post_cleanup backtrace"	3549	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3550	if $make_core;
		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
2738	}	3554	}
		3555
		3556	# a safer delete_package, copied from Symbol
		3557	sub clear_package($) {
		3558	my $pkg = shift;
		3559
		3560	# expand to full symbol table name if needed
		3561	unless ($pkg =~ /^main::.*::$/) {
		3562	$pkg = "main$pkg" if $pkg =~ /^::/;
		3563	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3564	$pkg .= '::' unless $pkg =~ /::$/;
		3565	}
		3566
		3567	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3568	my $stem_symtab = *{$stem}{HASH};
		3569
		3570	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3571	or return;
		3572
		3573	# clear all symbols
		3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3575	for my $name (keys %$leaf_symtab) {
		3576	_gv_clear *{"$pkg$name"};
		3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3578	}
		3579	warn "cleared package #$pkg\n";#d#
		3580	}
		3581
		3582	our $RELOAD; # how many times to reload
2739		3583
2740	sub do_reload_perl() {	3584	sub do_reload_perl() {
2741	# can/must only be called in main	3585	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2743	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2744	return;	3588	return;
2745	}	3589	}
2746		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
2747	warn "reloading...";	3594	warn "reloading...";
2748		3595
2749	warn "entering sync_job";	3596	warn "entering sync_job";
2750		3597
2751	cf::sync_job {	3598	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3599	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3600	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3601	cf::write_runtime_sync; # external watchdog should not bark
2755		3602
2756	warn "syncing database to disk";	3603	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3605
2759	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
2760		3607
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3609	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3611	}
2797		3612
2798	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
2800	}	3615	%EXT_CORO = ();
2801		3616
2802	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3626	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3627
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
2813	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
2814	}	3637	}
2815		3638
2816	Symbol::delete_package $k;	3639	warn "unloading all perl modules loaded from $LIBDIR";
		3640	while (my ($k, $v) = each %INC) {
		3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3642
		3643	warn "... unloading $k";
		3644	delete $INC{$k};
		3645
		3646	$k =~ s/\.pm$//;
		3647	$k =~ s/\//::/g;
		3648
		3649	if (my $cb = $k->can ("unload_module")) {
		3650	$cb->();
		3651	}
		3652
		3653	clear_package $k;
2817	}	3654	}
2818		3655
2819	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3659
2823	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3662	delete $INC{"cf/pod.pm"};
2826		3663
2827	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3665	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
2830		3667
2831	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
2832		3669
2833	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
2834	require cf;	3671	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3673
2837	warn "loading config and database again";	3674	warn "loading config and database again";
2838	cf::cfg_load;	3675	cf::reload_config;
2839		3676
2840	warn "loading extensions";	3677	warn "loading extensions";
2841	cf::load_extensions;	3678	cf::load_extensions;
2842		3679
2843	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3681	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3684	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3685	reattach $_ for values %PLAYER;
2849		3686
2850	warn "leaving sync_job";	3687	warn "leaving sync_job";
2851		3688
2852	1	3689	1
2853	} or do {	3690	} or do {
2854	warn $@;	3691	warn $@;
2855	warn "error while reloading, exiting.";	3692	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3693	};
2858		3694
2859	warn "reloaded";	3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
2860	};	3698	};
2861		3699
2862	our $RELOAD_WATCHER; # used only during reload	3700	our $RELOAD_WATCHER; # used only during reload
2863		3701
2864	sub reload_perl() {	3702	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3703	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3704	# coro crashes during coro_state_free->destroy here.
2867		3705
2868	$RELOAD_WATCHER ||= Event->timer (	3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2869	reentrant => 0,
2870	after => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => sub {
2873	do_reload_perl;	3707	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3708	undef $RELOAD_WATCHER;
2875	},
2876	);	3709	};
2877	}	3710	}
2878		3711
2879	register_command "reload" => sub {	3712	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
2881		3714
2882	if ($who->flag (FLAG_WIZ)) {	3715	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3716	$who->message ("reloading server.");
		3717	async {
		3718	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3719	reload_perl;
		3720	};
2885	}	3721	}
2886	};	3722	};
2887		3723
2888	unshift @INC, $LIBDIR;	3724	unshift @INC, $LIBDIR;
2889		3725
…		…
2891		3727
2892	our @WAIT_FOR_TICK;	3728	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3729	our @WAIT_FOR_TICK_BEGIN;
2894		3730
2895	sub wait_for_tick {	3731	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3732	return if tick_inhibit || $Coro::current == $Coro::main;
2898		3733
2899	my $signal = new Coro::Signal;	3734	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3735	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3736	$signal->wait;
2902	}	3737	}
2903		3738
2904	sub wait_for_tick_begin {	3739	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3740	return if tick_inhibit || $Coro::current == $Coro::main;
2907		3741
2908	my $signal = new Coro::Signal;	3742	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3743	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3744	$signal->wait;
2911	}	3745	}
2912		3746
2913	my $min = 1e6;#d#	3747	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
2925	return;	3751	return;
2926	}	3752	}
2927		3753
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
2931		3755
2932	0 && sync_job {#d#	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3758	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3759	$Coro::current->{desc} = "runtime saver";
2936	or die;	3760	write_runtime_sync
2937		3761	or warn "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3762	};
		3763	}
2954		3764
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3766	$sig->send;
2971	}	3767	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3768	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3769	$sig->send;
2974	}	3770	}
2975		3771
2976	$NOW = Event::time;	3772	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3774
2987	_post_tick;	3775	if (0) {
2988		3776	if ($NEXT_TICK) {
2989		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
		3780	}
2990	},	3781	}
2991	);	3782	}
2992		3783
2993	{	3784	{
2994	BDB::max_poll_time $TICK * 0.1;	3785	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3786
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3787	BDB::min_parallel 8;
3004		3788	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3789	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3790
3020	unless ($DB_ENV) {	3791	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3792	$DB_ENV = BDB::db_env_create;
		3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3795	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3798
3023	cf::sync_job {	3799	cf::sync_job {
3024	eval {	3800	eval {
3025	BDB::db_env_open	3801	BDB::db_env_open
3026	$DB_ENV,	3802	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3806	0666;
3031		3807
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3809	};
3037		3810
3038	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3812	};
3040	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
3041	}	3824	}
3042		3825
3043	{	3826	{
		3827	# configure IO::AIO
		3828
3044	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3831	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3832	}
3057		3833
3058	my $_log_backtrace;	3834	my $_log_backtrace;
3059		3835
3060	sub _log_backtrace {	3836	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	3839	$msg =~ s/\n//;
3064		3840
3065	# limit the # of concurrent backtraces	3841	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3842	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
3068	async {	3845	async {
		3846	$Coro::current->{desc} = "abt $msg";
		3847
3069	my @bt = fork_call {	3848	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3849	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3850	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3851	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3852	or die "addr2line: $!";
…		…
3081	}	3860	}
3082		3861
3083	@funcs	3862	@funcs
3084	};	3863	};
3085		3864
3086	LOG llevInfo, "[ABT] $msg\n";	3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	3867	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	3868	--$_log_backtrace;
3089	};	3869	};
3090	} else {	3870	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $msg\n";

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