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Revision 1.300 by root, Tue Jul 10 06:44:29 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
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
34		63
35	# configure various modules to our taste	64	# configure various modules to our taste
36	#	65	#
37	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		74
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		76
50	our %COMMAND = ();	77	our %COMMAND = ();
51	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
57	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
58		85
59	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
60	our @EVENT;	87	our @EVENT;
61		88
62	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	90	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
73		104
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	107	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	113	our $DB_ENV;
84		114
85	our %CFG;	115	our %CFG;
86		116
87	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
89		120
90	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
93		124
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		127
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
100		132
101	binmode STDOUT;	133	binmode STDOUT;
102	binmode STDERR;	134	binmode STDERR;
103		135
104	# read virtual server time, if available	136	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
109	}	141	}
110		142
111	mkdir $_	143	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		189
158	The raw value load value from the last tick.	190	The raw value load value from the last tick.
159		191
160	=item %cf::CFG	192	=item %cf::CFG
161		193
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	195	from wherever your confdir points to.
164		196
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		198
167	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
168	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
169	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.
170		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
171	=back	209	=back
172		210
173	=cut	211	=cut
174		212
175	BEGIN {	213	BEGIN {
…		…
179	$msg .= "\n"	217	$msg .= "\n"
180	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
181		219
182	$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;
183		221
184	utf8::encode $msg;
185	LOG llevError, $msg;	222	LOG llevError, $msg;
186	};	223	};
187	}	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#?
188		240
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	251	for my $pkg (qw(
200	cf::global cf::attachable	252	cf::global cf::attachable
201	cf::object cf::object::player	253	cf::object cf::object::player
202	cf::client cf::player	254	cf::client cf::player
203	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
204	cf::map cf::party cf::region	257	cf::party cf::region
205	)) {	258	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	260	}
209		261
210	$Event::DIED = sub {	262	$EV::DIED = sub {
211	warn "error in event callback: @_";	263	warn "error in event callback: @_";
212	};	264	};
213		265
214	#############################################################################	266	#############################################################################
215		267
…		…
238	$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;
239	$d	291	$d
240	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
241	}	293	}
242		294
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.
250		302
251	=cut	303	=cut
252		304
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		306
255	sub to_json ($) { $json_coder->encode ($_[0]) }	307	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	308	sub decode_json($) { $json_coder->decode ($_[0]) }
257		309
258	=item cf::lock_wait $string	310	=item cf::lock_wait $string
259		311
260	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
261		313
…		…
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
267	returned.	319	returned.
268		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
269	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
270	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
271		326
272	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
273		328
274	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
275		330
276	=cut	331	=cut
277		332
278	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
279		335
280	sub lock_wait($) {	336	sub lock_wait($) {
281	my ($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#
282		343
283	# wait for lock, if any	344	# wait for lock, if any
284	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	347	Coro::schedule;
…		…
292		353
293	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
294	lock_wait $key;	355	lock_wait $key;
295		356
296	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
297		359
298	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
301	}	364	}
302	}	365	}
303		366
…		…
306		369
307	! ! $LOCK{$key}	370	! ! $LOCK{$key}
308	}	371	}
309		372
310	sub freeze_mainloop {	373	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
312		375
313	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
314	$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($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
315	};	437	}
316	$TICK_WATCHER->stop;	438	};
317	$guard	439
		440	sub get_slot($;$$) {
		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	$sig->wait;
318	}	452	}
319		453
320	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
321		455
322	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		461
328	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
329		463
330	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
331		465
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	466	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	467	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	469	acceptable.
336		470
337	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		477
344	sub sync_job(&) {	478	sub sync_job(&) {
345	my ($job) = @_;	479	my ($job) = @_;
346		480
347	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	482	my $time = EV::time;
349		483
350	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
352		486
353	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	488
355	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
356		490
357	my $busy = 1;	491	my $busy = 1;
358	my @res;	492	my @res;
359		493
360	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	496	@res = eval { $job->() };
362	warn $@ if $@;	497	warn $@ if $@;
363	undef $busy;	498	undef $busy;
364	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
365		500
366	while ($busy) {	501	while ($busy) {
367	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
368	}	506	}
		507	}
369		508
370	$time = Event::time - $time;	509	my $time = EV::time - $time;
371		510
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	511	$TICK_START += $time; # do not account sync jobs to server load
376		512
377	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
378	} else {	514	} else {
379	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
380		516
…		…
405	=item fork_call { }, $args	541	=item fork_call { }, $args
406		542
407	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
408	process, returning the results. Everything must be serialisable with	544	process, returning the results. Everything must be serialisable with
409	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
410	never block itself or use any form of Event handling.	546	never block itself or use any form of event handling.
411		547
412	=cut	548	=cut
413
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		549
423	sub fork_call(&@) {	550	sub fork_call(&@) {
424	my ($cb, @args) = @_;	551	my ($cb, @args) = @_;
425		552
426	# 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,
427	# or die "socketpair: $!";	554	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	555	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		556
431	if (my $pid = fork) {	557	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	558	reset_signals;
445	local $SIG{__WARN__};	559	&$cb
446	local $SIG{__DIE__};	560	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		561
453	eval {	562	wantarray ? @res : $res[-1]
454	close $fh1;	563	}
455		564
456	my @res = eval { $cb->(@args) };	565	=item $coin = coin_from_name $name
457		566
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	567	=cut
459	close $fh2;
460	};
461		568
462	warn $@ if $@;	569	our %coin_alias = (
463	_exit 0;	570	"silver" => "silvercoin",
464	}	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
465	}	590	}
466		591
467	=item $value = cf::db_get $family => $key	592	=item $value = cf::db_get $family => $key
468		593
469	Returns a single value from the environment database.	594	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	596	=item cf::db_put $family => $key => $value
472		597
473	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
474	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).
475		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
476	=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	}
477		624
478	our $DB;	625	our $DB;
479		626
480	sub db_init {	627	sub db_init {
481	unless ($DB) {
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {	628	cf::sync_job {
485	eval {	629	$DB ||= db_table "db";
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}	630	};
495	}	631	}
496		632
497	sub db_get($$) {	633	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	634	my $key = "$_[0]/$_[1]";
499		635
…		…
549	if (1) {	685	if (1) {
550	$md5 =	686	$md5 =
551	join "\x00",	687	join "\x00",
552	$processversion,	688	$processversion,
553	map {	689	map {
554	Coro::cede;	690	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	691	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	692	} 0.. $#$src;
557		693
558		694
559	my $dbmd5 = db_get cache => "$id/md5";	695	my $dbmd5 = db_get cache => "$id/md5";
…		…
597		733
598	#############################################################################	734	#############################################################################
599		735
600	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
601		737
602	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
603	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")
604	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
605		741
606	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>
607	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
608	Crossfire TRT).	744	Deliantra).
609		745
610	=over 4	746	=over 4
611		747
612	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
613		749
…		…
657	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
658		794
659	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
660	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
661		797
662	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
663	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.
664		800
665	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
666		802
667	=over 4	803	=over 4
…		…
865	";	1001	";
866	die if $@;	1002	die if $@;
867	}	1003	}
868		1004
869	our $override;	1005	our $override;
870	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?
871		1007
872	sub override {	1008	sub override {
873	$override = 1;	1009	$override = 1;
874	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
875	}	1011	}
876		1012
877	sub do_invoke {	1013	sub do_invoke {
878	my $event = shift;	1014	my $event = shift;
879	my $callbacks = shift;	1015	my $callbacks = shift;
880		1016
881	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
882		1018
883	local $override;	1019	local $override;
884		1020
885	for (@$callbacks) {	1021	for (@$callbacks) {
886	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
895	}	1031	}
896		1032
897	0	1033	0
898	}	1034	}
899		1035
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1037
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1039
904	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
905		1041
906	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
907	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
908	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1045
910	=back	1046	=back
911		1047
912	=cut	1048	=cut
913		1049
914	#############################################################################	1050	#############################################################################
915	# 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	}
916		1094
917	sub reattach {	1095	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1097	my ($obj) = @_;
920		1098
		1099	# no longer needed after getting rid of delete_package?
921	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
922		1101
923	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
924		1103
925	@$registry = ();	1104	@$registry = ();
926		1105
…		…
941	cf::attachable->attach (	1120	cf::attachable->attach (
942	prio => -1000000,	1121	prio => -1000000,
943	on_instantiate => sub {	1122	on_instantiate => sub {
944	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
945		1124
946	$data = from_json $data;	1125	$data = decode_json $data;
947		1126
948	for (@$data) {	1127	for (@$data) {
949	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
950		1129
951	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1146	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
969		1148
970	sync_job {	1149	sync_job {
971	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
974		1154
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
979	close $fh;	1159	aio_close $fh;
980		1160
981	if (@$objs) {	1161	if (@$objs) {
982	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) {
983	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
987	close $fh;	1167	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
989	}	1169	}
990	} else {	1170	} else {
991	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
992	}	1172	}
…		…
997	}	1177	}
998	} else {	1178	} else {
999	aio_unlink $filename;	1179	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
1001	}	1181	}
1002	}	1182	};
1003	}	1183	}
1004		1184
1005	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
1007		1187
…		…
1019	or return;	1199	or return;
1020		1200
1021	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1203	or return;
		1204
1024	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
1025	}	1207	}
1026		1208
		1209	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1211	$decname, length $data, scalar @{$av || []};
		1212
1029	return ($data, $av);	1213	($data, $av)
1030	}	1214	}
1031		1215
1032	=head2 COMMAND CALLBACKS	1216	=head2 COMMAND CALLBACKS
1033		1217
1034	=over 4	1218	=over 4
…		…
1107	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
1108		1292
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1294
1111	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
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
1117	} else {	1310	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1312	}
1120		1313
1121	cf::override;	1314	cf::override;
…		…
1148		1341
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1344
1152	$ext{source} =	1345	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1154	. "#line 1 \"$path\"\n{\n"	1347	. "#line 1 \"$path\"\n{\n"
1155	. $source	1348	. $source
1156	. "\n};\n1";	1349	. "\n};\n1";
1157		1350
1158	$todo{$base} = \%ext;	1351	$todo{$base} = \%ext;
…		…
1174	my $msg = $@ ? "$v->{path}: $@\n"	1367	my $msg = $@ ? "$v->{path}: $@\n"
1175	: "$v->{base}: extension inactive.\n";	1368	: "$v->{base}: extension inactive.\n";
1176		1369
1177	if (exists $v->{meta}{mandatory}) {	1370	if (exists $v->{meta}{mandatory}) {
1178	warn $msg;	1371	warn $msg;
1179	warn "mandatory extension failed to load, exiting.\n";	1372	cf::cleanup "mandatory extension failed to load, exiting.";
1180	exit 1;
1181	}	1373	}
1182		1374
1183	warn $msg;	1375	warn $msg;
1184	}	1376	}
1185		1377
…		…
1199		1391
1200	=back	1392	=back
1201		1393
1202	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
1203		1395
1204	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
1205		1397
1206	=cut	1398	=cut
1207		1399
1208	package cf::player;	1400	package cf::player;
1209		1401
1210	use Coro::AIO;	1402	use Coro::AIO;
1211		1403
1212	=head3 cf::player	1404	=head3 cf::player
1213		1405
1214	=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	}
1215		1421
1216	=item cf::player::find $login	1422	=item cf::player::find $login
1217		1423
1218	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
1219		1425
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1465
1260	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1261	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;
1262	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1263	}	1475	}
1264	}	1476	}
1265	}	1477	}
1266		1478
…		…
1275	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1276		1488
1277	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1279		1491
		1492	cf::get_slot 0.01;
		1493
1280	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1281	Coro::cede;	1495	cf::cede_to_tick;
1282	}	1496	}
1283		1497
1284	sub new($) {	1498	sub new($) {
1285	my ($login) = @_;	1499	my ($login) = @_;
1286		1500
…		…
1292	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1293		1507
1294	$self	1508	$self
1295	}	1509	}
1296		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
1297	=item $pl->quit_character	1521	=item $pl->quit_character
1298		1522
1299	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
1300	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1301		1525
…		…
1305	my ($pl) = @_;	1529	my ($pl) = @_;
1306		1530
1307	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1308		1532
1309	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1310	$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
1311		1535
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1315	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1316		1542
1317	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1354	or return [];	1580	or return [];
1355		1581
1356	my @logins;	1582	my @logins;
1357		1583
1358	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") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1362		1594
1363	utf8::decode $login;	1595	utf8::decode $login;
1364	push @logins, $login;	1596	push @logins, $login;
1365	}	1597	}
1366		1598
…		…
1393	}	1625	}
1394		1626
1395	\@paths	1627	\@paths
1396	}	1628	}
1397		1629
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1631
1400	Expand crossfire pod fragments into protocol xml.	1632	Expand deliantra pod fragments into protocol xml.
1401		1633
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	warn $_;#d#
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1450		1635
1451	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1452		1637
1453	=cut	1638	=cut
1454		1639
1455	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1457		1642
1458	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1644	}
1461		1645
1462	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1463		1647
1464	Sends an ext event to the client.	1648	Sends an ext event to the client.
1465		1649
1466	=cut	1650	=cut
1467		1651
1468	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1470		1654
1471	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1472	}	1656	}
1473		1657
1474	=head3 cf::region	1658	=head3 cf::region
1475		1659
1476	=over 4	1660	=over 4
…		…
1489	my ($path) = @_;	1673	my ($path) = @_;
1490		1674
1491	my ($match, $specificity);	1675	my ($match, $specificity);
1492		1676
1493	for my $region (list) {	1677	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1497	}	1681	}
1498	}	1682	}
1499		1683
…		…
1520	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1522		1706
1523	sub generate_random_map {	1707	sub generate_random_map {
1524	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
1525	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1713	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1619	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1620	return $self;	1807	return $self;
1621	}	1808	}
1622	}	1809	}
1623		1810
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1812	()
1626	}	1813	}
1627		1814
1628	sub init {	1815	sub init {
1629	my ($self) = @_;	1816	my ($self) = @_;
…		…
1651		1838
1652	# the temporary/swap location	1839	# the temporary/swap location
1653	sub save_path {	1840	sub save_path {
1654	my ($self) = @_;	1841	my ($self) = @_;
1655		1842
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1658	}	1845	}
1659		1846
1660	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1661	sub uniq_path {	1848	sub uniq_path {
1662	my ($self) = @_;	1849	my ($self) = @_;
1663		1850
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1666	}	1853	}
1667		1854
1668	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1669	# all maps in C++...	1856	# all maps in C++...
…		…
1692		1879
1693	sub load_header_from($) {	1880	sub load_header_from($) {
1694	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1695		1882
1696	utf8::encode $path;	1883	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	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;
1702		1892
1703	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1704		1894
1705	1	1895	1
1706	}	1896	}
…		…
1760	sub find {	1950	sub find {
1761	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1762		1952
1763	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1764		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1766		1957
1767	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1768	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1769	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1770	or return;	1963	or return;
1771		1964
1772	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1773		1966
…		…
1775	or return;	1968	or return;
1776		1969
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1780	$map->reset;	1975	$map->reset;
1781	undef $guard;
1782	return find $path;	1976	return find $path;
1783	}	1977	}
1784		1978
1785	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1786	}	1980	}
…		…
1795	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1796		1990
1797	my $path = $self->{path};	1991	my $path = $self->{path};
1798		1992
1799	{	1993	{
1800	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1801		1995
		1996	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		1998
1804	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1805		2000
1806	$self->alloc;	2001	$self->alloc;
1807		2002
1808	$self->pre_load;	2003	$self->pre_load;
1809	Coro::cede;	2004	cf::cede_to_tick;
1810		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1812	or return;	2009	or return;
1813		2010
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1815	if delete $self->{load_original};	2012	if delete $self->{load_original};
1816		2013
1817	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2015	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2018	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1822	}	2022	}
1823	}	2023	}
1824		2024
1825	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1826	# now do the right thing for maps	2028	# now do the right thing for maps
1827	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2031	unless $self->difficulty;
1830	Coro::cede;	2032	cf::cede_to_tick;
1831		2033
1832	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2035	$self->decay_objects;
1834	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1835	$self->update_buttons;	2037	$self->update_buttons;
1836	Coro::cede;	2038	cf::cede_to_tick;
1837	$self->set_darkness_map;	2039	$self->set_darkness_map;
1838	Coro::cede;	2040	cf::cede_to_tick;
1839	$self->activate;	2041	$self->activate;
1840	}	2042	}
1841		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2048	}
1844		2049
1845	$self->post_load;	2050	$self->post_load;
1846	}	2051	}
1847		2052
…		…
1856		2061
1857	$self	2062	$self
1858	}	2063	}
1859		2064
1860	# 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
1861	sub load_diag {	2066	sub load_neighbours {
1862	my ($map) = @_;	2067	my ($map) = @_;
1863		2068
1864	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1865		2070
1866	for (0 .. 3) {	2071	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1868	or next;	2073	or next;
1869	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1870	or next;	2075	or next;
1871	$neigh->load;	2076	$neigh->load;
1872		2077
		2078	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2081	}
1876		2082
1877	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1879	or next;	2086	or next;
1880	$neigh->load;	2087	$neigh->load;
1881	}	2088	}
1882	}	2089	}
1883		2090
…		…
1888	}	2095	}
1889		2096
1890	sub do_load_sync {	2097	sub do_load_sync {
1891	my ($map) = @_;	2098	my ($map) = @_;
1892		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1893	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1894	}	2104	}
1895		2105
1896	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1898		2108
1899	sub find_async {	2109	sub find_async {
1900	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1901		2111
1902	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1903		2113
1904	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2116	}
1907		2117
1908	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1909	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1910	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2125	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2126	$map->load if $v;
		2127	}
1915		2128
1916	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1917	}	2130	}
1918	}	2131	}
1919	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1920	};	2133	};
1921	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2137	}
1925		2138
1926	sub save {	2139	sub save {
1927	my ($self) = @_;	2140	my ($self) = @_;
1928		2141
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2143
1931	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1932		2145
1933	return unless $self->dirty;	2146	return unless $self->dirty;
1934		2147
…		…
1940	return if $self->{deny_save};	2153	return if $self->{deny_save};
1941		2154
1942	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1943		2156
1944	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1946	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1947		2163
1948	if ($uniq) {	2164	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2167	} else {
…		…
1957	my ($self) = @_;	2173	my ($self) = @_;
1958		2174
1959	# save first because save cedes	2175	# save first because save cedes
1960	$self->save;	2176	$self->save;
1961		2177
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2179
1964	return if $self->players;	2180	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1966	return if $self->{deny_save};	2182	return if $self->{deny_save};
1967		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2188	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2189	}
1971		2190
1972	sub reset_at {	2191	sub reset_at {
1973	my ($self) = @_;	2192	my ($self) = @_;
1974		2193
…		…
2006	if $uniq;	2225	if $uniq;
2007	}	2226	}
2008		2227
2009	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
2010		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2232	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2233
2015	$self->unlink_save;	2234	$self->unlink_save;
2016	$self->destroy;	2235	$self->destroy;
2017	}	2236	}
2018		2237
2019	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
2020		2239
2021	sub nuke {	2240	sub nuke {
2022	my ($self) = @_;	2241	my ($self) = @_;
2023		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
2024	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
2025		2247
2026	$self->unlink_save;	2248	$self->unlink_save;
2027		2249
2028	bless $self, "cf::map";	2250	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2255
2034	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
2035		2258
2036	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
2037	}	2260	}
2038		2261
2039	=item $maps = cf::map::tmp_maps	2262	=item $maps = cf::map::tmp_maps
…		…
2081		2304
2082	sub unique_maps() {	2305	sub unique_maps() {
2083	[	2306	[
2084	map {	2307	map {
2085	utf8::decode $_;	2308	utf8::decode $_;
2086	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2087	? normalise $_	2312	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2314	]
2091	}	2315	}
2092		2316
2093	package cf;
2094
2095	=back	2317	=back
2096		2318
2097	=head3 cf::object	2319	=head3 cf::object
2098		2320
2099	=cut	2321	=cut
…		…
2102		2324
2103	=over 4	2325	=over 4
2104		2326
2105	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2106		2328
2107	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.
2108		2331
2109	=cut	2332	=cut
2110		2333
2111	sub inv_recursive_;	2334	sub inv_recursive_;
2112	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2115		2338
2116	sub inv_recursive {	2339	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2118	}	2341	}
2119		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
2120	package cf;	2371	package cf;
2121		2372
2122	=back	2373	=back
2123		2374
2124	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
2130	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>
2131	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
2132	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2133		2384
2134	=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	};
2135		2400
2136	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2402	# with dialog boxes.
2138	#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
2139	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
2146		2411
2147	} else {	2412	} else {
2148	my $pl = $self->contr;	2413	my $pl = $self->contr;
2149		2414
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2418
2159	} else {	2419	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2422	}
2163	}	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 (@_);
2164	}	2434	}
2165		2435
2166	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
2167		2437
2168	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
2181		2451
2182	=item $player_object->enter_link	2452	=item $player_object->enter_link
2183		2453
2184	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}>).
2185		2455
2186	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.
2187	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.
2188		2460
2189	Will never block.	2461	Will never block.
2190		2462
2191	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2192		2464
…		…
2247	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
2250		2522
2251	$map->load;	2523	$map->load;
2252	$map->load_diag;	2524	$map->load_neighbours;
2253		2525
2254	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2255	$self->activate_recursive;	2528	$self->activate_recursive;
2256		2529
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2259	}	2532	}
2260		2533
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2262		2535
2263	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
2264	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2265	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
2266	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 >>.
2267		2544
2268	=cut	2545	=cut
2269		2546
2270	our $GOTOGEN;	2547	our $GOTOGEN;
2271		2548
2272	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
2274		2551
2275	# 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
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2554
2278	$self->enter_link;	2555	$self->enter_link;
2279		2556
2280	(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
2281	my $map = eval {	2579	my $map = eval {
2282	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
2283		2581
2284	if ($map) {	2582	if ($map) {
2285	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
2287	} else {	2585	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2587	}
2290		2588
2291	$map	2589	$map
2292	};	2590	};
2293		2591
…		…
2298		2596
2299	if ($gen == $self->{_goto_generation}) {	2597	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2598	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
2302	}	2600	}
		2601
		2602	$done->() if $done;
2303	})->prio (1);	2603	})->prio (1);
2304	}	2604	}
2305		2605
2306	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
2307		2607
…		…
2327	}	2627	}
2328		2628
2329	sub prepare_random_map {	2629	sub prepare_random_map {
2330	my ($exit) = @_;	2630	my ($exit) = @_;
2331		2631
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2634	# that depends on the exit object
2337		2635
2338	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2638	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2345	}	2645	}
2346		2646
2347	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2348		2648
2349	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2352		2652
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2655	undef $fh;
2356	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2357		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2360	}	2664	}
2361	}	2665	}
2362		2666
2363	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2365		2669
2366	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2367		2671
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2672	$self->enter_link;
2380		2673
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2674	(async {
2386	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2387	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
2388	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2389		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
2390	1;	2698	1
2391	}) {	2699	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "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. "
2394	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2704
2397	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2416		2724
2417	utf8::encode $text;	2725	utf8::encode $text;
2418	$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);
2419	}	2727	}
2420		2728
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2730
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2731	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2732	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2427		2735
2428	=cut	2736	=cut
2429		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/uptime" => {
		2777	id => "infobox",
		2778	title => "Uptime",
		2779	reply => undef,
		2780	tooltip => "How long the server has been running since last restart",
		2781	},
		2782	"c/mapinfo" => {
		2783	id => "infobox",
		2784	title => "Map Info",
		2785	reply => undef,
		2786	tooltip => "Information related to the maps",
		2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
		2794	);
		2795
2430	sub cf::client::send_msg {	2796	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	2797	my ($self, $channel, $msg, $color, @extra) = @_;
2432		2798
2433	$msg = $self->pl->expand_cfpod ($msg);	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	}
2434		2823
2435	return unless @extra || length $msg;	2824	return unless @extra || length $msg;
2436		2825
2437	if ($self->can_msg) {	2826	if ($self->can_msg) {
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	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);
2439	} else {	2847	} else {
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449
2450	if ($color >= 0) {	2848	if ($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
2451	if (0 && $msg =~ /\[/) {	2863	if (0 && $msg =~ /\[/) {
		2864	# COMMAND/INFO
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
2453	} else {	2866	} else {
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")	2868	$self->send_packet ("drawinfo $color $msg")
2456	}	2869	}
2457	}	2870	}
2458	}	2871	}
2459	}	2872	}
2460		2873
2461	=item $client->ext_event ($type, %msg)	2874	=item $client->ext_msg ($type, @msg)
2462		2875
2463	Sends an ext event to the client.	2876	Sends an ext event to the client.
2464		2877
2465	=cut	2878	=cut
2466		2879
2467	sub cf::client::ext_event($$%) {	2880	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	2881	my ($self, $type, @msg) = @_;
2469		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2885	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	2886	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%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	}
2472	}	2907	}
2473		2908
2474	=item $success = $client->query ($flags, "text", \&cb)	2909	=item $success = $client->query ($flags, "text", \&cb)
2475		2910
2476	Queues a query to the client, calling the given callback with	2911	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	2966	my ($ns, $buf) = @_;
2532		2967
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		2969
2535	if (ref $msg) {	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
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2978	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	2979	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	2980	}
		2981
		2982	$ns->ext_reply ($reply, @reply)
		2983	if $reply;
		2984
2542	} else {	2985	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2986	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	2987	}
2545		2988
2546	cf::override;	2989	cf::override;
…		…
2593	our $safe = new Safe "safe";	3036	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3037	our $safe_hole = new Safe::Hole;
2595		3038
2596	$SIG{FPE} = 'IGNORE';	3039	$SIG{FPE} = 'IGNORE';
2597		3040
2598	$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	));
2599		3046
2600	# here we export the classes and methods available to script code	3047	# here we export the classes and methods available to script code
2601		3048
2602	=pod	3049	=pod
2603		3050
2604	The following functions and methods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2605		3052
2606	cf::object	3053	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3054	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3055	insert remove name archname title slaying race decrease split
2609		3056
2610	cf::object::player	3057	cf::object::player
2611	player	3058	player
2612		3059
2613	cf::player	3060	cf::player
…		…
2618		3065
2619	=cut	3066	=cut
2620		3067
2621	for (	3068	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3070	insert remove inv nrof name archname title slaying race
		3071	decrease split destroy change_exp)],
2624	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2626	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2627	) {	3075	) {
2628	no strict 'refs';	3076	no strict 'refs';
…		…
2704	# the server's init and main functions	3152	# the server's init and main functions
2705		3153
2706	sub load_facedata($) {	3154	sub load_facedata($) {
2707	my ($path) = @_;	3155	my ($path) = @_;
2708		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
2709	warn "loading facedata from $path\n";	3163	warn "loading facedata from $path\n";
2710		3164
2711	my $facedata;	3165	my $facedata;
2712	0 < aio_load $path, $facedata	3166	0 < aio_load $path, $facedata
2713	or die "$path: $!";	3167	or die "$path: $!";
…		…
2715	$facedata = Coro::Storable::thaw $facedata;	3169	$facedata = Coro::Storable::thaw $facedata;
2716		3170
2717	$facedata->{version} == 2	3171	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3172	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		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
2720	{	3181	{
2721	my $faces = $facedata->{faceinfo};	3182	my $faces = $facedata->{faceinfo};
2722		3183
2723	while (my ($face, $info) = each %$faces) {	3184	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3186
2725	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3187	cf::face::set_visibility $idx, $info->{visibility};
		3188	cf::face::set_magicmap $idx, $info->{magicmap};
2726	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2727	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2728	Coro::cede;	3191
		3192	cf::cede_to_tick;
2729	}	3193	}
2730		3194
2731	while (my ($face, $info) = each %$faces) {	3195	while (my ($face, $info) = each %$faces) {
2732	next unless $info->{smooth};	3196	next unless $info->{smooth};
		3197
2733	my $idx = cf::face::find $face	3198	my $idx = cf::face::find $face
2734	or next;	3199	or next;
		3200
2735	if (my $smooth = cf::face::find $info->{smooth}) {	3201	if (my $smooth = cf::face::find $info->{smooth}) {
		3202	cf::face::set_smooth $idx, $smooth;
2736	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2737	} else {	3204	} else {
2738	warn "smooth face '$info->{smooth}' not found for face '$face'";	3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
2739	}	3206	}
2740	Coro::cede;	3207
		3208	cf::cede_to_tick;
2741	}	3209	}
2742	}	3210	}
2743		3211
2744	{	3212	{
2745	my $anims = $facedata->{animinfo};	3213	my $anims = $facedata->{animinfo};
2746		3214
2747	while (my ($anim, $info) = each %$anims) {	3215	while (my ($anim, $info) = each %$anims) {
2748	cf::anim::set $anim, $info->{frames}, $info->{facings};	3216	cf::anim::set $anim, $info->{frames}, $info->{facings};
2749	Coro::cede;	3217	cf::cede_to_tick;
2750	}	3218	}
2751		3219
2752	cf::anim::invalidate_all; # d'oh	3220	cf::anim::invalidate_all; # d'oh
2753	}	3221	}
2754		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
2755	1	3258	1
2756	}	3259	}
2757		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
2758	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
2759	load_resource_file "$MAPDIR/regions"	3304	load_resource_file "$MAPDIR/regions"
2760	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	}
2761	}	3311	}
2762		3312
2763	sub reload_facedata {	3313	sub reload_facedata {
2764	load_facedata "$DATADIR/facedata"	3314	load_facedata "$DATADIR/facedata"
2765	or die "unable to load facedata\n";	3315	or die "unable to load facedata\n";
2766	}	3316	}
2767		3317
2768	sub reload_archetypes {	3318	sub reload_archetypes {
2769	load_resource_file "$DATADIR/archetypes"	3319	load_resource_file "$DATADIR/archetypes"
2770	or die "unable to load archetypes\n";	3320	or die "unable to load archetypes\n";
2771	#d# NEED to laod twice to resolve forward references
2772	# this really needs to be done in an extra post-pass
2773	# (which needs to be synchronous, so solve it differently)
2774	load_resource_file "$DATADIR/archetypes"
2775	or die "unable to load archetypes\n";
2776	}	3321	}
2777		3322
2778	sub reload_treasures {	3323	sub reload_treasures {
2779	load_resource_file "$DATADIR/treasures"	3324	load_resource_file "$DATADIR/treasures"
2780	or die "unable to load treasurelists\n";	3325	or die "unable to load treasurelists\n";
2781	}	3326	}
2782		3327
2783	sub reload_resources {	3328	sub reload_resources {
2784	warn "reloading resource files...\n";	3329	warn "reloading resource files...\n";
2785		3330
		3331	reload_facedata;
		3332	reload_archetypes;
2786	reload_regions;	3333	reload_regions;
2787	reload_facedata;
2788	#reload_archetypes;#d#
2789	reload_archetypes;
2790	reload_treasures;	3334	reload_treasures;
2791		3335
2792	warn "finished reloading resource files\n";	3336	warn "finished reloading resource files\n";
2793	}	3337	}
2794		3338
2795	sub init {	3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
2796	reload_resources;	3344	reload_resources;
2797	}	3345	}
2798		3346
2799	sub cfg_load {	3347	sub reload_config {
2800	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2801	or return;	3349	or return;
2802		3350
2803	local $/;	3351	local $/;
2804	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2805		3353
2806	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2807		3355
2808	$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};
2809	$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};
…		…
2815	};	3363	};
2816	warn $@ if $@;	3364	warn $@ if $@;
2817	}	3365	}
2818	}	3366	}
2819		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
2820	sub main {	3387	sub main {
		3388	atomic;
		3389
2821	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
2822	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
2823	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#
2824	(async {	3393	(async {
2825	Event::one_event;	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3395	EV::loop EV::LOOP_ONESHOT;
2826	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
2827	};	3397	};
2828		3398
2829	cfg_load;	3399	{
		3400	my $guard = freeze_mainloop;
		3401	reload_config;
2830	db_init;	3402	db_init;
2831	load_extensions;	3403	load_extensions;
2832		3404
2833	$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
2834	Event::loop;	3413	EV::loop;
2835	}	3414	}
2836		3415
2837	#############################################################################	3416	#############################################################################
2838	# initialisation and cleanup	3417	# initialisation and cleanup
2839		3418
2840	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
2841	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
2842	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
2843	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2844	reentrant => 0,
2845	data => WF_AUTOCANCEL,
2846	signal => $signal,
2847	prio => 0,
2848	cb => sub {
2849	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
2850	},
2851	);	3425	};
2852	}	3426	}
2853	}	3427	}
2854		3428
2855	sub write_runtime {	3429	sub write_runtime_sync {
2856	my $runtime = "$LOCALDIR/runtime";
2857
2858	# first touch the runtime file to show we are still running:	3430	# first touch the runtime file to show we are still running:
2859	# the fsync below can take a very very long time.	3431	# the fsync below can take a very very long time.
2860		3432
2861	IO::AIO::aio_utime $runtime, undef, undef;	3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2862		3434
2863	my $guard = cf::lock_acquire "write_runtime";	3435	my $guard = cf::lock_acquire "write_runtime";
2864		3436
2865	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2866	or return;	3438	or return;
2867		3439
2868	my $value = $cf::RUNTIME + 90 + 10;	3440	my $value = $cf::RUNTIME + 90 + 10;
2869	# 10 is the runtime save interval, for a monotonic clock	3441	# 10 is the runtime save interval, for a monotonic clock
2870	# 60 allows for the watchdog to kill the server.	3442	# 60 allows for the watchdog to kill the server.
…		…
2880	aio_utime $fh, undef, undef;	3452	aio_utime $fh, undef, undef;
2881		3453
2882	close $fh	3454	close $fh
2883	or return;	3455	or return;
2884		3456
2885	aio_rename "$runtime~", $runtime	3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2886	and return;	3458	and return;
2887		3459
2888	warn "runtime file written.\n";	3460	warn "runtime file written.\n";
2889		3461
2890	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($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2891	}	3506	}
2892		3507
2893	sub emergency_save() {	3508	sub emergency_save() {
2894	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2895		3510
…		…
2901	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2902	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2903	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2904	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2905	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2906	$pl->save;	3522	$pl->save;
2907	}	3523	}
2908	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2909		3525
2910	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2916	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
2917		3533
2918	warn "begin emergency database checkpoint\n";	3534	warn "begin emergency database checkpoint\n";
2919	BDB::db_env_txn_checkpoint $DB_ENV;	3535	BDB::db_env_txn_checkpoint $DB_ENV;
2920	warn "end emergency database checkpoint\n";	3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2921	};	3541	};
2922		3542
2923	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2924	}	3544	}
2925		3545
2926	sub post_cleanup {	3546	sub post_cleanup {
2927	my ($make_core) = @_;	3547	my ($make_core) = @_;
2928		3548
2929	warn Carp::longmess "post_cleanup backtrace"	3549	warn Carp::longmess "post_cleanup backtrace"
2930	if $make_core;	3550	if $make_core;
		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
2931	}	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 $RELOAD; # how many times to reload
2932		3583
2933	sub do_reload_perl() {	3584	sub do_reload_perl() {
2934	# can/must only be called in main	3585	# can/must only be called in main
2935	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2936	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2937	return;	3588	return;
2938	}	3589	}
2939		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
2940	warn "reloading...";	3594	warn "reloading...";
2941		3595
2942	warn "entering sync_job";	3596	warn "entering sync_job";
2943		3597
2944	cf::sync_job {	3598	cf::sync_job {
2945	cf::write_runtime; # external watchdog should not bark	3599	cf::write_runtime_sync; # external watchdog should not bark
2946	cf::emergency_save;	3600	cf::emergency_save;
2947	cf::write_runtime; # external watchdog should not bark	3601	cf::write_runtime_sync; # external watchdog should not bark
2948		3602
2949	warn "syncing database to disk";	3603	warn "syncing database to disk";
2950	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2951		3605
2952	# 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
2953		3607
2954	warn "cancelling all WF_AUTOCANCEL watchers";
2955	for (Event::all_watchers) {
2956	$_->cancel if $_->data & WF_AUTOCANCEL;
2957	}
2958
2959	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
2960	for (;;) {
2961	BDB::flush;
2962	IO::AIO::flush;
2963	Coro::cede;
2964	last unless IO::AIO::nreqs || BDB::nreqs;	3609	while (IO::AIO::nreqs || BDB::nreqs) {
2965	warn "iterate...";	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2966	}
2967
2968	++$RELOAD;
2969
2970	warn "cancelling all extension coros";
2971	$_->cancel for values %EXT_CORO;
2972	%EXT_CORO = ();
2973
2974	warn "removing commands";
2975	%COMMAND = ();
2976
2977	warn "removing ext/exti commands";
2978	%EXTCMD = ();
2979	%EXTICMD = ();
2980
2981	warn "unloading/nuking all extensions";
2982	for my $pkg (@EXTS) {
2983	warn "... unloading $pkg";
2984
2985	if (my $cb = $pkg->can ("unload")) {
2986	eval {
2987	$cb->($pkg);
2988	1
2989	} or warn "$pkg unloaded, but with errors: $@";
2990	}	3611	}
2991		3612
2992	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
2993	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
2994	}	3615	%EXT_CORO = ();
2995		3616
2996	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
2997	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
2998	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2999		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
3000	warn "... unloading $k";	3626	warn "... unloading $pkg";
3001	delete $INC{$k};
3002		3627
3003	$k =~ s/\.pm$//;
3004	$k =~ s/\//::/g;
3005
3006	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
3007	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
3008	}	3637	}
3009		3638
3010	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 $k;
3011	}	3654	}
3012		3655
3013	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
3014	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
3015	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);
3016		3659
3017	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
3018	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
3019	delete $INC{"cf/pod.pm"};	3662	delete $INC{"cf/pod.pm"};
3020		3663
3021	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
3022	# and global variables created in xs	3665	# and global variables created in xs
3023	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
3024		3667
3025	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
3026		3669
3027	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
3028	require cf;	3671	require cf;
3029	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3030		3673
3031	warn "loading config and database again";	3674	warn "loading config and database again";
3032	cf::cfg_load;	3675	cf::reload_config;
3033		3676
3034	warn "loading extensions";	3677	warn "loading extensions";
3035	cf::load_extensions;	3678	cf::load_extensions;
3036		3679
3037	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
3038	_global_reattach; # objects, sockets	3681	_global_reattach; # objects, sockets
3039	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
3040	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
3041	warn "reattaching attachments to players";	3684	warn "reattaching attachments to players";
3042	reattach $_ for values %PLAYER;	3685	reattach $_ for values %PLAYER;
3043		3686
3044	warn "leaving sync_job";	3687	warn "leaving sync_job";
3045		3688
3046	1	3689	1
3047	} or do {	3690	} or do {
3048	warn $@;	3691	warn $@;
3049	warn "error while reloading, exiting.";	3692	cf::cleanup "error while reloading, exiting.";
3050	exit 1;
3051	};	3693	};
3052		3694
3053	warn "reloaded";	3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
3054	};	3698	};
3055		3699
3056	our $RELOAD_WATCHER; # used only during reload	3700	our $RELOAD_WATCHER; # used only during reload
3057		3701
3058	sub reload_perl() {	3702	sub reload_perl() {
3059	# doing reload synchronously and two reloads happen back-to-back,	3703	# doing reload synchronously and two reloads happen back-to-back,
3060	# coro crashes during coro_state_free->destroy here.	3704	# coro crashes during coro_state_free->destroy here.
3061		3705
3062	$RELOAD_WATCHER ||= Event->timer (	3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3063	reentrant => 0,
3064	after => 0,
3065	data => WF_AUTOCANCEL,
3066	cb => sub {
3067	do_reload_perl;	3707	do_reload_perl;
3068	undef $RELOAD_WATCHER;	3708	undef $RELOAD_WATCHER;
3069	},
3070	);	3709	};
3071	}	3710	}
3072		3711
3073	register_command "reload" => sub {	3712	register_command "reload" => sub {
3074	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
3075		3714
3076	if ($who->flag (FLAG_WIZ)) {	3715	if ($who->flag (FLAG_WIZ)) {
3077	$who->message ("reloading server.");	3716	$who->message ("reloading server.");
		3717	async {
		3718	$Coro::current->{desc} = "perl_reload";
3078	async { reload_perl };	3719	reload_perl;
		3720	};
3079	}	3721	}
3080	};	3722	};
3081		3723
3082	unshift @INC, $LIBDIR;	3724	unshift @INC, $LIBDIR;
3083		3725
…		…
3085		3727
3086	our @WAIT_FOR_TICK;	3728	our @WAIT_FOR_TICK;
3087	our @WAIT_FOR_TICK_BEGIN;	3729	our @WAIT_FOR_TICK_BEGIN;
3088		3730
3089	sub wait_for_tick {	3731	sub wait_for_tick {
3090	return unless $TICK_WATCHER->is_active;
3091	return if $Coro::current == $Coro::main;	3732	return if tick_inhibit || $Coro::current == $Coro::main;
3092		3733
3093	my $signal = new Coro::Signal;	3734	my $signal = new Coro::Signal;
3094	push @WAIT_FOR_TICK, $signal;	3735	push @WAIT_FOR_TICK, $signal;
3095	$signal->wait;	3736	$signal->wait;
3096	}	3737	}
3097		3738
3098	sub wait_for_tick_begin {	3739	sub wait_for_tick_begin {
3099	return unless $TICK_WATCHER->is_active;
3100	return if $Coro::current == $Coro::main;	3740	return if tick_inhibit || $Coro::current == $Coro::main;
3101		3741
3102	my $signal = new Coro::Signal;	3742	my $signal = new Coro::Signal;
3103	push @WAIT_FOR_TICK_BEGIN, $signal;	3743	push @WAIT_FOR_TICK_BEGIN, $signal;
3104	$signal->wait;	3744	$signal->wait;
3105	}	3745	}
3106		3746
3107	my $min = 1e6;#d#	3747	sub tick {
3108	my $avg = 10;
3109	$TICK_WATCHER = Event->timer (
3110	reentrant => 0,
3111	parked => 1,
3112	prio => 0,
3113	at => $NEXT_TICK || $TICK,
3114	data => WF_AUTOCANCEL,
3115	cb => sub {
3116	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
3117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3118	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
3119	return;	3751	return;
3120	}	3752	}
3121		3753
3122	$NOW = $tick_start = Event::time;
3123
3124	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
3125		3755
3126	0 && sync_job {#d#	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127	for(1..10) {	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128	my $t = Event::time;	3758	Coro::async_pool {
3129	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3759	$Coro::current->{desc} = "runtime saver";
3130	or die;	3760	write_runtime_sync
3131		3761	or warn "ERROR: unable to write runtime file: $!";
3132	$map->width (50);
3133	$map->height (50);
3134	$map->alloc;
3135	$map->_load_objects ("/tmp/x.map", 1);
3136	my $t = Event::time - $t;
3137
3138	#next unless $t < 0.0013;#d#
3139	if ($t < $min) {
3140	$min = $t;
3141	}
3142	$avg = $avg * 0.99 + $t * 0.01;
3143	}
3144	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3145	exit 0;
3146	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3147	};	3762	};
		3763	}
3148		3764
3149	$RUNTIME += $TICK;
3150	$NEXT_TICK += $TICK;
3151
3152	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3153	$NEXT_RUNTIME_WRITE = $NOW + 10;
3154	Coro::async_pool {
3155	write_runtime
3156	or warn "ERROR: unable to write runtime file: $!";
3157	};
3158	}
3159
3160	# my $AFTER = Event::time;
3161	# warn $AFTER - $NOW;#d#
3162
3163	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3164	$sig->send;	3766	$sig->send;
3165	}	3767	}
3166	while (my $sig = shift @WAIT_FOR_TICK) {	3768	while (my $sig = shift @WAIT_FOR_TICK) {
3167	$sig->send;	3769	$sig->send;
3168	}	3770	}
3169		3771
3170	$NOW = Event::time;	3772	$LOAD = ($NOW - $TICK_START) / $TICK;
3171
3172	# if we are delayed by four ticks or more, skip them all
3173	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3174
3175	$TICK_WATCHER->at ($NEXT_TICK);
3176	$TICK_WATCHER->start;
3177
3178	$LOAD = ($NOW - $tick_start) / $TICK;
3179	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3180		3774
3181	_post_tick;	3775	if (0) {
3182		3776	if ($NEXT_TICK) {
3183		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
		3780	}
3184	},	3781	}
3185	);	3782	}
3186		3783
3187	{	3784	{
3188	BDB::max_poll_time $TICK * 0.1;	3785	# configure BDB
3189	$BDB_POLL_WATCHER = Event->io (	3786
3190	reentrant => 0,
3191	fd => BDB::poll_fileno,
3192	poll => 'r',
3193	prio => 0,
3194	data => WF_AUTOCANCEL,
3195	cb => \&BDB::poll_cb,
3196	);
3197	BDB::min_parallel 8;	3787	BDB::min_parallel 8;
3198		3788	BDB::max_poll_reqs $TICK * 0.1;
3199	BDB::set_sync_prepare {	3789	$AnyEvent::BDB::WATCHER->priority (1);
3200	my $status;
3201	my $current = $Coro::current;
3202	(
3203	sub {
3204	$status = $!;
3205	$current->ready; undef $current;
3206	},
3207	sub {
3208	Coro::schedule while defined $current;
3209	$! = $status;
3210	},
3211	)
3212	};
3213		3790
3214	unless ($DB_ENV) {	3791	unless ($DB_ENV) {
3215	$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);
3216		3798
3217	cf::sync_job {	3799	cf::sync_job {
3218	eval {	3800	eval {
3219	BDB::db_env_open	3801	BDB::db_env_open
3220	$DB_ENV,	3802	$DB_ENV,
…		…
3222	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3223	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3224	0666;	3806	0666;
3225		3807
3226	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3227
3228	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3229	$DB_ENV->set_lk_detect;
3230	};	3809	};
3231		3810
3232	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
3233	};	3812	};
3234	}	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	};
3235	}	3824	}
3236		3825
3237	{	3826	{
		3827	# configure IO::AIO
		3828
3238	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
3239
3240	undef $Coro::AIO::WATCHER;
3241	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
3242	$AIO_POLL_WATCHER = Event->io (	3831	undef $AnyEvent::AIO::WATCHER;
3243	reentrant => 0,
3244	data => WF_AUTOCANCEL,
3245	fd => IO::AIO::poll_fileno,
3246	poll => 'r',
3247	prio => 6,
3248	cb => \&IO::AIO::poll_cb,
3249	);
3250	}	3832	}
3251		3833
3252	my $_log_backtrace;	3834	my $_log_backtrace;
3253		3835
3254	sub _log_backtrace {	3836	sub _log_backtrace {
…		…
3257	$msg =~ s/\n//;	3839	$msg =~ s/\n//;
3258		3840
3259	# limit the # of concurrent backtraces	3841	# limit the # of concurrent backtraces
3260	if ($_log_backtrace < 2) {	3842	if ($_log_backtrace < 2) {
3261	++$_log_backtrace;	3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
3262	async {	3845	async {
		3846	$Coro::current->{desc} = "abt $msg";
		3847
3263	my @bt = fork_call {	3848	my @bt = fork_call {
3264	@addr = map { sprintf "%x", $_ } @addr;	3849	@addr = map { sprintf "%x", $_ } @addr;
3265	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3850	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3266	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 |"
3267	or die "addr2line: $!";	3852	or die "addr2line: $!";
…		…
3275	}	3860	}
3276		3861
3277	@funcs	3862	@funcs
3278	};	3863	};
3279		3864
3280	LOG llevInfo, "[ABT] $msg\n";	3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3281	LOG llevInfo, "[ABT] $_\n" for @bt;	3867	LOG llevInfo, "[ABT] $_\n" for @bt;
3282	--$_log_backtrace;	3868	--$_log_backtrace;
3283	};	3869	};
3284	} else {	3870	} else {
3285	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $msg\n";

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