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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.295 by root, Wed Jul 4 05:08:15 2007 UTC vs.
Revision 1.451 by root, Mon Sep 22 05:42:41 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 = ();
…		…
54	our %EXTCMD = ();	81	our %EXTCMD = ();
55	our %EXTICMD = ();	82	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
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, non-zero while in reload
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 ($key) = @_;
282		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
283	# wait for lock, if any	344	# wait for lock, if any
284	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
285	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	348	Coro::schedule;
287	}	349	}
288	}	350	}
289		351
…		…
292		354
293	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
294	lock_wait $key;	356	lock_wait $key;
295		357
296	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
297		360
298	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
301	}	365	}
302	}	366	}
303		367
…		…
306		370
307	! ! $LOCK{$key}	371	! ! $LOCK{$key}
308	}	372	}
309		373
310	sub freeze_mainloop {	374	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
312		376
313	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
314	$TICK_WATCHER->start;	378	}
		379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
315	};	438	}
316	$TICK_WATCHER->stop;	439	};
317	$guard	440
		441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
318	}	453	}
319		454
320	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
321		456
322	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		462
328	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
329		464
330	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
331		466
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	467	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	468	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	470	acceptable.
336		471
337	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		478
344	sub sync_job(&) {	479	sub sync_job(&) {
345	my ($job) = @_;	480	my ($job) = @_;
346		481
347	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	483	my $time = EV::time;
349		484
350	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
352		487
353	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	489
355	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
356		491
357	my $busy = 1;	492	my $busy = 1;
358	my @res;	493	my @res;
359		494
360	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	497	@res = eval { $job->() };
362	warn $@ if $@;	498	warn $@ if $@;
363	undef $busy;	499	undef $busy;
364	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
365		501
366	while ($busy) {	502	while ($busy) {
367	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
368	}	507	}
		508	}
369		509
370	$time = Event::time - $time;	510	my $time = EV::time - $time;
371		511
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	512	$TICK_START += $time; # do not account sync jobs to server load
376		513
377	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
378	} else {	515	} else {
379	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
380		517
…		…
405	=item fork_call { }, $args	542	=item fork_call { }, $args
406		543
407	Executes the given code block with the given arguments in a seperate	544	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	545	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	546	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	547	never block itself or use any form of event handling.
411		548
412	=cut	549	=cut
413		550
414	sub fork_call(&@) {	551	sub fork_call(&@) {
415	my ($cb, @args) = @_;	552	my ($cb, @args) = @_;
416		553
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	554	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	555	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	556	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		557
422	if (my $pid = fork) {	558	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	559	reset_signals;
435	local $SIG{__WARN__};	560	&$cb
436	local $SIG{__DIE__};	561	}, @args;
437	eval {
438	close $fh1;
439		562
440	my @res = eval { $cb->(@args) };	563	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	564	}
442	};
443		565
444	warn $@ if $@;	566	=item $coin = coin_from_name $name
445	_exit 0;	567
446	}	568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
447	}	591	}
448		592
449	=item $value = cf::db_get $family => $key	593	=item $value = cf::db_get $family => $key
450		594
451	Returns a single value from the environment database.	595	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	597	=item cf::db_put $family => $key => $value
454		598
455	Stores the given C<$value> in the family. It can currently store binary	599	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
458	=cut	607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
459		625
460	our $DB;	626	our $DB;
461		627
462	sub db_init {	628	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	629	cf::sync_job {
467	eval {	630	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	631	};
477	}	632	}
478		633
479	sub db_get($$) {	634	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	635	my $key = "$_[0]/$_[1]";
481		636
…		…
531	if (1) {	686	if (1) {
532	$md5 =	687	$md5 =
533	join "\x00",	688	join "\x00",
534	$processversion,	689	$processversion,
535	map {	690	map {
536	Coro::cede;	691	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	692	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	693	} 0.. $#$src;
539		694
540		695
541	my $dbmd5 = db_get cache => "$id/md5";	696	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		734
580	#############################################################################	735	#############################################################################
581		736
582	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
583		738
584	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
587		742
588	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	745	Deliantra).
591		746
592	=over 4	747	=over 4
593		748
594	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
595		750
…		…
639	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
640		795
641	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
643		798
644	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
646		801
647	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
648		803
649	=over 4	804	=over 4
…		…
847	";	1002	";
848	die if $@;	1003	die if $@;
849	}	1004	}
850		1005
851	our $override;	1006	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1008
854	sub override {	1009	sub override {
855	$override = 1;	1010	$override = 1;
856	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
857	}	1012	}
858		1013
859	sub do_invoke {	1014	sub do_invoke {
860	my $event = shift;	1015	my $event = shift;
861	my $callbacks = shift;	1016	my $callbacks = shift;
862		1017
863	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
864		1019
865	local $override;	1020	local $override;
866		1021
867	for (@$callbacks) {	1022	for (@$callbacks) {
868	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
877	}	1032	}
878		1033
879	0	1034	0
880	}	1035	}
881		1036
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1038
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1040
886	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
887		1042
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1044	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1046
892	=back	1047	=back
893		1048
894	=cut	1049	=cut
895		1050
896	#############################################################################	1051	#############################################################################
897	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
898		1095
899	sub reattach {	1096	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1098	my ($obj) = @_;
902		1099
		1100	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1102
905	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
906		1104
907	@$registry = ();	1105	@$registry = ();
908		1106
…		…
923	cf::attachable->attach (	1121	cf::attachable->attach (
924	prio => -1000000,	1122	prio => -1000000,
925	on_instantiate => sub {	1123	on_instantiate => sub {
926	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
927		1125
928	$data = from_json $data;	1126	$data = decode_json $data;
929		1127
930	for (@$data) {	1128	for (@$data) {
931	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
932		1130
933	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1147	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
951		1149
952	sync_job {	1150	sync_job {
953	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
956		1155
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1160	aio_close $fh;
962		1161
963	if (@$objs) {	1162	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1168	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
971	}	1170	}
972	} else {	1171	} else {
973	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
974	}	1173	}
…		…
979	}	1178	}
980	} else {	1179	} else {
981	aio_unlink $filename;	1180	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
983	}	1182	}
984	}	1183	};
985	}	1184	}
986		1185
987	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
989		1188
…		…
1001	or return;	1200	or return;
1002		1201
1003	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1204	or return;
		1205
1006	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1007	}	1208	}
1008		1209
		1210	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
1011	return ($data, $av);	1214	($data, $av)
1012	}	1215	}
1013		1216
1014	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
1015		1218
1016	=over 4	1219	=over 4
…		…
1089	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
1090		1293
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1295
1093	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
1099	} else {	1311	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1313	}
1102		1314
1103	cf::override;	1315	cf::override;
…		…
1130		1342
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1345
1134	$ext{source} =	1346	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1348	. "#line 1 \"$path\"\n{\n"
1137	. $source	1349	. $source
1138	. "\n};\n1";	1350	. "\n};\n1";
1139		1351
1140	$todo{$base} = \%ext;	1352	$todo{$base} = \%ext;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1368	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1369	: "$v->{base}: extension inactive.\n";
1158		1370
1159	if (exists $v->{meta}{mandatory}) {	1371	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1372	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1373	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1374	}
1164		1375
1165	warn $msg;	1376	warn $msg;
1166	}	1377	}
1167		1378
…		…
1181		1392
1182	=back	1393	=back
1183		1394
1184	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
1185		1396
1186	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
1187		1398
1188	=cut	1399	=cut
1189		1400
1190	package cf::player;	1401	package cf::player;
1191		1402
1192	use Coro::AIO;	1403	use Coro::AIO;
1193		1404
1194	=head3 cf::player	1405	=head3 cf::player
1195		1406
1196	=over 4	1407	=over 4
		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
1197		1422
1198	=item cf::player::find $login	1423	=item cf::player::find $login
1199		1424
1200	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
1201		1426
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1465	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1466
1242	my $pl = load_pl path $login	1467	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
1245	}	1476	}
1246	}	1477	}
1247	}	1478	}
1248		1479
…		…
1257	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1258		1489
1259	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1261		1492
		1493	cf::get_slot 0.01;
		1494
1262	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1263	Coro::cede;	1496	cf::cede_to_tick;
1264	}	1497	}
1265		1498
1266	sub new($) {	1499	sub new($) {
1267	my ($login) = @_;	1500	my ($login) = @_;
1268		1501
…		…
1274	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1275		1508
1276	$self	1509	$self
1277	}	1510	}
1278		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1279	=item $pl->quit_character	1522	=item $pl->quit_character
1280		1523
1281	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1283		1526
…		…
1287	my ($pl) = @_;	1530	my ($pl) = @_;
1288		1531
1289	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1290		1533
1291	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1536
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1298		1543
1299	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1581	or return [];
1337		1582
1338	my @logins;	1583	my @logins;
1339		1584
1340	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1344		1595
1345	utf8::decode $login;	1596	utf8::decode $login;
1346	push @logins, $login;	1597	push @logins, $login;
1347	}	1598	}
1348		1599
…		…
1375	}	1626	}
1376		1627
1377	\@paths	1628	\@paths
1378	}	1629	}
1379		1630
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1632
1382	Expand crossfire pod fragments into protocol xml.	1633	Expand deliantra pod fragments into protocol xml.
1383		1634
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1431		1636
1432	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1433		1638
1434	=cut	1639	=cut
1435		1640
1436	sub ext_reply($$%) {	1641	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1438		1643
1439	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1645	}
1442		1646
1443	=item $player->ext_event ($type, %msg)	1647	=item $player->ext_msg ($type, @msg)
1444		1648
1445	Sends an ext event to the client.	1649	Sends an ext event to the client.
1446		1650
1447	=cut	1651	=cut
1448		1652
1449	sub ext_event($$%) {	1653	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1654	my ($self, $type, @msg) = @_;
1451		1655
1452	$self->ns->ext_event ($type, %msg);	1656	$self->ns->ext_msg ($type, @msg);
1453	}	1657	}
1454		1658
1455	=head3 cf::region	1659	=head3 cf::region
1456		1660
1457	=over 4	1661	=over 4
…		…
1470	my ($path) = @_;	1674	my ($path) = @_;
1471		1675
1472	my ($match, $specificity);	1676	my ($match, $specificity);
1473		1677
1474	for my $region (list) {	1678	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1679	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1680	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1681	if $region->specificity > $specificity;
1478	}	1682	}
1479	}	1683	}
1480		1684
…		…
1501	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1503		1707
1504	sub generate_random_map {	1708	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1506	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1714	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1600	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1601	return $self;	1808	return $self;
1602	}	1809	}
1603	}	1810	}
1604		1811
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1813	()
1607	}	1814	}
1608		1815
1609	sub init {	1816	sub init {
1610	my ($self) = @_;	1817	my ($self) = @_;
…		…
1632		1839
1633	# the temporary/swap location	1840	# the temporary/swap location
1634	sub save_path {	1841	sub save_path {
1635	my ($self) = @_;	1842	my ($self) = @_;
1636		1843
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1845	"$TMPDIR/$path.map"
1639	}	1846	}
1640		1847
1641	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1642	sub uniq_path {	1849	sub uniq_path {
1643	my ($self) = @_;	1850	my ($self) = @_;
1644		1851
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1853	"$UNIQUEDIR/$path"
1647	}	1854	}
1648		1855
1649	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1650	# all maps in C++...	1857	# all maps in C++...
…		…
1673		1880
1674	sub load_header_from($) {	1881	sub load_header_from($) {
1675	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1676		1883
1677	utf8::encode $path;	1884	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1683		1893
1684	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1685		1895
1686	1	1896	1
1687	}	1897	}
…		…
1741	sub find {	1951	sub find {
1742	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1743		1953
1744	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1745		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1747		1958
1748	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1749	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1750	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1751	or return;	1964	or return;
1752		1965
1753	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1754		1967
…		…
1756	or return;	1969	or return;
1757		1970
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1761	$map->reset;	1976	$map->reset;
1762	undef $guard;
1763	return find $path;	1977	return find $path;
1764	}	1978	}
1765		1979
1766	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1767	}	1981	}
…		…
1776	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1777		1991
1778	my $path = $self->{path};	1992	my $path = $self->{path};
1779		1993
1780	{	1994	{
1781	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1782		1996
		1997	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		1999
1785	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1786		2001
1787	$self->alloc;	2002	$self->alloc;
1788		2003
1789	$self->pre_load;	2004	$self->pre_load;
1790	Coro::cede;	2005	cf::cede_to_tick;
1791		2006
		2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2009	$self->_load_objects ($f)
1793	or return;	2010	or return;
1794		2011
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1796	if delete $self->{load_original};	2013	if delete $self->{load_original};
1797		2014
1798	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2016	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2019	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1803	}	2023	}
1804	}	2024	}
1805		2025
1806	Coro::cede;	2026	$f->resolve_delayed_derefs;
		2027
		2028	cf::cede_to_tick;
1807	# now do the right thing for maps	2029	# now do the right thing for maps
1808	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2032	unless $self->difficulty;
1811	Coro::cede;	2033	cf::cede_to_tick;
1812		2034
1813	unless ($self->{deny_activate}) {	2035	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2036	$self->decay_objects;
1815	$self->fix_auto_apply;	2037	$self->fix_auto_apply;
1816	$self->update_buttons;	2038	$self->update_buttons;
1817	Coro::cede;	2039	cf::cede_to_tick;
1818	$self->set_darkness_map;	2040	$self->set_darkness_map;
1819	Coro::cede;	2041	cf::cede_to_tick;
1820	$self->activate;	2042	$self->activate;
1821	}	2043	}
1822		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2048	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2049	}
1825		2050
1826	$self->post_load;	2051	$self->post_load;
1827	}	2052	}
1828		2053
…		…
1837		2062
1838	$self	2063	$self
1839	}	2064	}
1840		2065
1841	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2067	sub load_neighbours {
1843	my ($map) = @_;	2068	my ($map) = @_;
1844		2069
1845	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1846		2071
1847	for (0 .. 3) {	2072	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1849	or next;	2074	or next;
1850	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1851	or next;	2076	or next;
1852	$neigh->load;	2077	$neigh->load;
1853		2078
		2079	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2082	}
1857		2083
1858	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1860	or next;	2087	or next;
1861	$neigh->load;	2088	$neigh->load;
1862	}	2089	}
1863	}	2090	}
1864		2091
…		…
1869	}	2096	}
1870		2097
1871	sub do_load_sync {	2098	sub do_load_sync {
1872	my ($map) = @_;	2099	my ($map) = @_;
1873		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1874	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1875	}	2105	}
1876		2106
1877	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1879		2109
1880	sub find_async {	2110	sub find_async {
1881	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1882		2112
1883	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1884		2114
1885	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2117	}
1888		2118
1889	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1890	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1891	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2126	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2127	$map->load if $v;
		2128	}
1896		2129
1897	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1898	}	2131	}
1899	}	2132	}
1900	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1901	};	2134	};
1902	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1905	}	2138	}
1906		2139
1907	sub save {	2140	sub save {
1908	my ($self) = @_;	2141	my ($self) = @_;
1909		2142
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1911		2144
1912	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1913		2146
1914	return unless $self->dirty;	2147	return unless $self->dirty;
1915		2148
…		…
1921	return if $self->{deny_save};	2154	return if $self->{deny_save};
1922		2155
1923	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1924		2157
1925	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1927	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1928		2164
1929	if ($uniq) {	2165	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2168	} else {
…		…
1938	my ($self) = @_;	2174	my ($self) = @_;
1939		2175
1940	# save first because save cedes	2176	# save first because save cedes
1941	$self->save;	2177	$self->save;
1942		2178
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2180
1945	return if $self->players;	2181	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1947	return if $self->{deny_save};	2183	return if $self->{deny_save};
1948		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1949	$self->clear;	2189	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2190	}
1952		2191
1953	sub reset_at {	2192	sub reset_at {
1954	my ($self) = @_;	2193	my ($self) = @_;
1955		2194
…		…
1987	if $uniq;	2226	if $uniq;
1988	}	2227	}
1989		2228
1990	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1991		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2233	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2234
1996	$self->unlink_save;	2235	$self->unlink_save;
1997	$self->destroy;	2236	$self->destroy;
1998	}	2237	}
1999		2238
2000	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
2001		2240
2002	sub nuke {	2241	sub nuke {
2003	my ($self) = @_;	2242	my ($self) = @_;
2004		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
2005	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
2006		2248
2007	$self->unlink_save;	2249	$self->unlink_save;
2008		2250
2009	bless $self, "cf::map";	2251	bless $self, "cf::map";
2010	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2256
2015	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
2016		2259
2017	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
2018	}	2261	}
2019		2262
2020	=item $maps = cf::map::tmp_maps	2263	=item $maps = cf::map::tmp_maps
…		…
2062		2305
2063	sub unique_maps() {	2306	sub unique_maps() {
2064	[	2307	[
2065	map {	2308	map {
2066	utf8::decode $_;	2309	utf8::decode $_;
2067	/\.map$/	2310	s/\.map$//; # TODO future compatibility hack
		2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2312	? ()
2068	? normalise $_	2313	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2314	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2315	]
2072	}	2316	}
2073		2317
2074	package cf;
2075
2076	=back	2318	=back
2077		2319
2078	=head3 cf::object	2320	=head3 cf::object
2079		2321
2080	=cut	2322	=cut
…		…
2083		2325
2084	=over 4	2326	=over 4
2085		2327
2086	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
2087		2329
2088	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
2089		2332
2090	=cut	2333	=cut
2091		2334
2092	sub inv_recursive_;	2335	sub inv_recursive_;
2093	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
2096		2339
2097	sub inv_recursive {	2340	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
2099	}	2342	}
2100		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
2101	package cf;	2372	package cf;
2102		2373
2103	=back	2374	=back
2104		2375
2105	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
2114		2385
2115	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
2116		2401
2117	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2403	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
2127		2412
2128	} else {	2413	} else {
2129	my $pl = $self->contr;	2414	my $pl = $self->contr;
2130		2415
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2417	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2419
2140	} else {	2420	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2423	}
2144	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
2145	}	2435	}
2146		2436
2147	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
2148		2438
2149	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
2162		2452
2163	=item $player_object->enter_link	2453	=item $player_object->enter_link
2164		2454
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2456
2167	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
2169		2461
2170	Will never block.	2462	Will never block.
2171		2463
2172	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
2173		2465
…		…
2228	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
2231		2523
2232	$map->load;	2524	$map->load;
2233	$map->load_diag;	2525	$map->load_neighbours;
2234		2526
2235	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2236	$self->activate_recursive;	2529	$self->activate_recursive;
2237		2530
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
2240	}	2533	}
2241		2534
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243		2536
2244	Moves the player to the given map-path and coordinates by first freezing	2537	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2539	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2540	the new (success) or old (failed) map position. In either case, $done will
		2541	be called at the end of this process.
		2542
		2543	Note that $check will be called with a potentially non-loaded map, so if
		2544	it needs a loaded map it has to call C<< ->load >>.
2248		2545
2249	=cut	2546	=cut
2250		2547
2251	our $GOTOGEN;	2548	our $GOTOGEN;
2252		2549
2253	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
2255		2552
2256	# do generation counting so two concurrent goto's will be executed in-order	2553	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2555
2259	$self->enter_link;	2556	$self->enter_link;
2260		2557
2261	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
2262	my $map = eval {	2580	my $map = eval {
2263	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
2264		2582
2265	if ($map) {	2583	if ($map) {
2266	$map = $map->customise_for ($self);	2584	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2585	$map = $check->($map) if $check && $map;
2268	} else {	2586	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2588	}
2271		2589
2272	$map	2590	$map
2273	};	2591	};
2274		2592
…		…
2279		2597
2280	if ($gen == $self->{_goto_generation}) {	2598	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2599	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
2283	}	2601	}
		2602
		2603	$done->() if $done;
2284	})->prio (1);	2604	})->prio (1);
2285	}	2605	}
2286		2606
2287	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
2288		2608
…		…
2308	}	2628	}
2309		2629
2310	sub prepare_random_map {	2630	sub prepare_random_map {
2311	my ($exit) = @_;	2631	my ($exit) = @_;
2312		2632
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2635	# that depends on the exit object
2318		2636
2319	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2639	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
2326	}	2646	}
2327		2647
2328	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2329		2649
2330	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2333		2653
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2656	undef $fh;
2337	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
2338		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
2341	}	2665	}
2342	}	2666	}
2343		2667
2344	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2346		2670
2347	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2348		2672
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2673	$self->enter_link;
2361		2674
2362	(async {	2675	(async {
2363	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
2364	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
2365	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2366		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
2367	1;	2699	1
2368	}) {	2700	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2705
2374	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2393		2725
2394	utf8::encode $text;	2726	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2728	}
2397		2729
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2731
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2732	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2733	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2734	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2735	the message unless the client supports the msg packet.
2404		2736
2405	=cut	2737	=cut
2406		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
2407	sub cf::client::send_msg {	2803	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	2804	my ($self, $channel, $msg, $color, @extra) = @_;
2409		2805
2410	$msg = $self->pl->expand_cfpod ($msg);	2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
2411		2830
2412	return unless @extra || length $msg;	2831	return unless @extra || length $msg;
2413		2832
2414	if ($self->can_msg) {	2833	if ($self->can_msg) {
2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
2416	} else {	2854	} else {
2417	# replace some tags by gcfclient-compatible ones
2418	for ($msg) {
2419	1 while
2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425	}
2426
2427	if ($color >= 0) {	2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
2428	if (0 && $msg =~ /\[/) {	2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
2429	$self->send_packet ("drawextinfo $color 4 0 $msg")	2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
2430	} else {	2873	} else {
2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432	$self->send_packet ("drawinfo $color $msg")	2875	$self->send_packet ("drawinfo $color $msg")
2433	}	2876	}
2434	}	2877	}
2435	}	2878	}
2436	}	2879	}
2437		2880
2438	=item $client->ext_event ($type, %msg)	2881	=item $client->ext_msg ($type, @msg)
2439		2882
2440	Sends an ext event to the client.	2883	Sends an ext event to the client.
2441		2884
2442	=cut	2885	=cut
2443		2886
2444	sub cf::client::ext_event($$%) {	2887	sub cf::client::ext_msg($$@) {
2445	my ($self, $type, %msg) = @_;	2888	my ($self, $type, @msg) = @_;
2446		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
2447	$msg{msgtype} = "event_$type";	2893	push @msg, msgtype => "event_$type";
2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
2449	}	2914	}
2450		2915
2451	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2452		2917
2453	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
…		…
2508	my ($ns, $buf) = @_;	2973	my ($ns, $buf) = @_;
2509		2974
2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511		2976
2512	if (ref $msg) {	2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2985	if (my $cb = $EXTICMD{$type}) {
2514	if (my %reply = $cb->($ns, $msg)) {	2986	@reply = $cb->($ns, @payload);
2515	$reply{msgid} = $msg->{msgid};
2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2517	}
2518	}	2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
2519	} else {	2992	} else {
2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2521	}	2994	}
2522		2995
2523	cf::override;	2996	cf::override;
…		…
2570	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2571	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2572		3045
2573	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2574		3047
2575	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2576		3053
2577	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2578		3055
2579	=pod	3056	=pod
2580		3057
2581	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2582		3059
2583	cf::object contr pay_amount pay_player map	3060	cf::object
		3061	contr pay_amount pay_player map x y force_find force_add destroy
		3062	insert remove name archname title slaying race decrease split
		3063
2584	cf::object::player player	3064	cf::object::player
2585	cf::player peaceful	3065	player
2586	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2587		3072
2588	=cut	3073	=cut
2589		3074
2590	for (	3075	for (
2591	["cf::object" => qw(contr pay_amount pay_player map)],	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2592	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2593	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2594	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2595	) {	3082	) {
2596	no strict 'refs';	3083	no strict 'refs';
…		…
2672	# the server's init and main functions	3159	# the server's init and main functions
2673		3160
2674	sub load_facedata($) {	3161	sub load_facedata($) {
2675	my ($path) = @_;	3162	my ($path) = @_;
2676		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3169
2677	warn "loading facedata from $path\n";	3170	warn "loading facedata from $path\n";
2678		3171
2679	my $facedata;	3172	my $facedata;
2680	0 < aio_load $path, $facedata	3173	0 < aio_load $path, $facedata
2681	or die "$path: $!";	3174	or die "$path: $!";
…		…
2683	$facedata = Coro::Storable::thaw $facedata;	3176	$facedata = Coro::Storable::thaw $facedata;
2684		3177
2685	$facedata->{version} == 2	3178	$facedata->{version} == 2
2686	or cf::cleanup "$path: version mismatch, cannot proceed.";	3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2687		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
2688	{	3188	{
2689	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
2690		3190
2691	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2696	Coro::cede;	3198
		3199	cf::cede_to_tick;
2697	}	3200	}
2698		3201
2699	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2700	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2701	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2702	or next;	3206	or next;
		3207
2703	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705	} else {	3211	} else {
2706	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
2707	}	3213	}
2708	Coro::cede;	3214
		3215	cf::cede_to_tick;
2709	}	3216	}
2710	}	3217	}
2711		3218
2712	{	3219	{
2713	my $anims = $facedata->{animinfo};	3220	my $anims = $facedata->{animinfo};
2714		3221
2715	while (my ($anim, $info) = each %$anims) {	3222	while (my ($anim, $info) = each %$anims) {
2716	cf::anim::set $anim, $info->{frames}, $info->{facings};	3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
2717	Coro::cede;	3224	cf::cede_to_tick;
2718	}	3225	}
2719		3226
2720	cf::anim::invalidate_all; # d'oh	3227	cf::anim::invalidate_all; # d'oh
2721	}	3228	}
2722		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3264
2723	1	3265	1
2724	}	3266	}
2725		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
2726	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2727	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2728	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
2729	}	3318	}
2730		3319
2731	sub reload_facedata {	3320	sub reload_facedata {
2732	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2733	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
2734	}	3323	}
2735		3324
2736	sub reload_archetypes {	3325	sub reload_archetypes {
2737	load_resource_file "$DATADIR/archetypes"	3326	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";	3327	or die "unable to load archetypes\n";
2739	#d# NEED to laod twice to resolve forward references
2740	# this really needs to be done in an extra post-pass
2741	# (which needs to be synchronous, so solve it differently)
2742	load_resource_file "$DATADIR/archetypes"
2743	or die "unable to load archetypes\n";
2744	}	3328	}
2745		3329
2746	sub reload_treasures {	3330	sub reload_treasures {
2747	load_resource_file "$DATADIR/treasures"	3331	load_resource_file "$DATADIR/treasures"
2748	or die "unable to load treasurelists\n";	3332	or die "unable to load treasurelists\n";
2749	}	3333	}
2750		3334
2751	sub reload_resources {	3335	sub reload_resources {
2752	warn "reloading resource files...\n";	3336	warn "reloading resource files...\n";
2753		3337
		3338	reload_facedata;
		3339	reload_archetypes;
2754	reload_regions;	3340	reload_regions;
2755	reload_facedata;
2756	#reload_archetypes;#d#
2757	reload_archetypes;
2758	reload_treasures;	3341	reload_treasures;
2759		3342
2760	warn "finished reloading resource files\n";	3343	warn "finished reloading resource files\n";
2761	}	3344	}
2762		3345
2763	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2764	reload_resources;	3351	reload_resources;
2765	}	3352	}
2766		3353
2767	sub cfg_load {	3354	sub reload_config {
2768	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2769	or return;	3356	or return;
2770		3357
2771	local $/;	3358	local $/;
2772	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2773		3360
2774	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2775		3362
2776	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2777	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2783	};	3370	};
2784	warn $@ if $@;	3371	warn $@ if $@;
2785	}	3372	}
2786	}	3373	}
2787		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2788	sub main {	3394	sub main {
		3395	atomic;
		3396
2789	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2790	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2792	(async {	3400	(async {
2793	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2794	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2795	};	3404	};
2796		3405
2797	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2798	db_init;	3409	db_init;
2799	load_extensions;	3410	load_extensions;
2800		3411
2801	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2802	Event::loop;	3420	EV::loop;
2803	}	3421	}
2804		3422
2805	#############################################################################	3423	#############################################################################
2806	# initialisation and cleanup	3424	# initialisation and cleanup
2807		3425
2808	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2809	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2810	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2811	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2812	reentrant => 0,
2813	data => WF_AUTOCANCEL,
2814	signal => $signal,
2815	prio => 0,
2816	cb => sub {
2817	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2818	},
2819	);	3432	};
2820	}	3433	}
2821	}	3434	}
2822		3435
2823	sub write_runtime {	3436	sub write_runtime_sync {
2824	my $runtime = "$LOCALDIR/runtime";
2825
2826	# first touch the runtime file to show we are still running:	3437	# first touch the runtime file to show we are still running:
2827	# the fsync below can take a very very long time.	3438	# the fsync below can take a very very long time.
2828		3439
2829	IO::AIO::aio_utime $runtime, undef, undef;	3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2830		3441
2831	my $guard = cf::lock_acquire "write_runtime";	3442	my $guard = cf::lock_acquire "write_runtime";
2832		3443
2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2834	or return;	3445	or return;
2835		3446
2836	my $value = $cf::RUNTIME + 90 + 10;	3447	my $value = $cf::RUNTIME + 90 + 10;
2837	# 10 is the runtime save interval, for a monotonic clock	3448	# 10 is the runtime save interval, for a monotonic clock
2838	# 60 allows for the watchdog to kill the server.	3449	# 60 allows for the watchdog to kill the server.
…		…
2848	aio_utime $fh, undef, undef;	3459	aio_utime $fh, undef, undef;
2849		3460
2850	close $fh	3461	close $fh
2851	or return;	3462	or return;
2852		3463
2853	aio_rename "$runtime~", $runtime	3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2854	and return;	3465	and return;
2855		3466
2856	warn "runtime file written.\n";	3467	warn "runtime file written.\n";
2857		3468
2858	1	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2859	}	3513	}
2860		3514
2861	sub emergency_save() {	3515	sub emergency_save() {
2862	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2863		3517
…		…
2869	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2870	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2871	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2872	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2873	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874	$pl->save;	3529	$pl->save;
2875	}	3530	}
2876	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2877		3532
2878	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2884	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2885		3540
2886	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2887	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2888	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2889	};	3548	};
2890		3549
2891	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2892	}	3551	}
2893		3552
2894	sub post_cleanup {	3553	sub post_cleanup {
2895	my ($make_core) = @_;	3554	my ($make_core) = @_;
2896		3555
2897	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2898	if $make_core;	3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
2899	}	3587	}
2900		3588
2901	sub do_reload_perl() {	3589	sub do_reload_perl() {
2902	# can/must only be called in main	3590	# can/must only be called in main
2903	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2904	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2905	return;	3593	return;
2906	}	3594	}
2907		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2908	warn "reloading...";	3599	warn "reloading...";
2909		3600
2910	warn "entering sync_job";	3601	warn "entering sync_job";
2911		3602
2912	cf::sync_job {	3603	cf::sync_job {
2913	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2914	cf::emergency_save;	3605	cf::emergency_save;
2915	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2916		3607
2917	warn "syncing database to disk";	3608	warn "syncing database to disk";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2919		3610
2920	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2921		3612
2922	warn "cancelling all WF_AUTOCANCEL watchers";
2923	for (Event::all_watchers) {
2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2925	}
2926
2927	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2928	for (;;) {
2929	BDB::flush;
2930	IO::AIO::flush;
2931	Coro::cede;
2932	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2933	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2934	}
2935
2936	++$RELOAD;
2937
2938	warn "cancelling all extension coros";
2939	$_->cancel for values %EXT_CORO;
2940	%EXT_CORO = ();
2941
2942	warn "removing commands";
2943	%COMMAND = ();
2944
2945	warn "removing ext/exti commands";
2946	%EXTCMD = ();
2947	%EXTICMD = ();
2948
2949	warn "unloading/nuking all extensions";
2950	for my $pkg (@EXTS) {
2951	warn "... unloading $pkg";
2952
2953	if (my $cb = $pkg->can ("unload")) {
2954	eval {
2955	$cb->($pkg);
2956	1
2957	} or warn "$pkg unloaded, but with errors: $@";
2958	}	3616	}
2959		3617
2960	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2961	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2962	}	3620	%EXT_CORO = ();
2963		3621
2964	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2965	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2967		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2968	warn "... unloading $k";	3631	warn "... unloading $pkg";
2969	delete $INC{$k};
2970		3632
2971	$k =~ s/\.pm$//;
2972	$k =~ s/\//::/g;
2973
2974	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2975	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2976	}	3642	}
2977		3643
2978	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
2979	}	3659	}
2980		3660
2981	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2982	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2984		3664
2985	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2986	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
2987	delete $INC{"cf/pod.pm"};	3667	delete $INC{"cf/pod.pm"};
2988		3668
2989	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2990	# and global variables created in xs	3670	# and global variables created in xs
2991	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2992		3672
2993	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2994		3674
2995	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2996	require cf;	3676	require cf;
2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2998		3678
2999	warn "loading config and database again";	3679	warn "loading config and database again";
3000	cf::cfg_load;	3680	cf::reload_config;
3001		3681
3002	warn "loading extensions";	3682	warn "loading extensions";
3003	cf::load_extensions;	3683	cf::load_extensions;
3004		3684
3005	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
3006	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
3007	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
3008	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
3009	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
3010	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
3011		3691
3012	warn "leaving sync_job";	3692	warn "leaving sync_job";
3013		3693
3014	1	3694	1
3015	} or do {	3695	} or do {
3016	warn $@;	3696	warn $@;
3017	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
3018	exit 1;
3019	};	3698	};
3020		3699
3021	warn "reloaded";	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
3022	};	3703	};
3023		3704
3024	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
3025		3706
3026	sub reload_perl() {	3707	sub reload_perl() {
3027	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
3028	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
3029		3710
3030	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3031	reentrant => 0,
3032	after => 0,
3033	data => WF_AUTOCANCEL,
3034	cb => sub {
3035	do_reload_perl;	3712	do_reload_perl;
3036	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
3037	},
3038	);	3714	};
3039	}	3715	}
3040		3716
3041	register_command "reload" => sub {	3717	register_command "reload" => sub {
3042	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
3043		3719
3044	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
3045	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
3046	async { reload_perl };	3724	reload_perl;
		3725	};
3047	}	3726	}
3048	};	3727	};
3049		3728
3050	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
3051		3730
…		…
3053		3732
3054	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
3055	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
3056		3735
3057	sub wait_for_tick {	3736	sub wait_for_tick {
3058	return unless $TICK_WATCHER->is_active;
3059	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
3060		3738
3061	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
3062	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
3063	$signal->wait;	3741	$signal->wait;
3064	}	3742	}
3065		3743
3066	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
3067	return unless $TICK_WATCHER->is_active;
3068	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3069		3746
3070	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3071	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
3072	$signal->wait;	3749	$signal->wait;
3073	}	3750	}
3074		3751
3075	my $min = 1e6;#d#	3752	sub tick {
3076	my $avg = 10;
3077	$TICK_WATCHER = Event->timer (
3078	reentrant => 0,
3079	parked => 1,
3080	prio => 0,
3081	at => $NEXT_TICK || $TICK,
3082	data => WF_AUTOCANCEL,
3083	cb => sub {
3084	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3086	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
3087	return;	3756	return;
3088	}	3757	}
3089		3758
3090	$NOW = $tick_start = Event::time;
3091
3092	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
3093		3760
3094	0 && sync_job {#d#	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3095	for(1..10) {	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3096	my $t = Event::time;	3763	Coro::async_pool {
3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3764	$Coro::current->{desc} = "runtime saver";
3098	or die;	3765	write_runtime_sync
3099		3766	or warn "ERROR: unable to write runtime file: $!";
3100	$map->width (50);
3101	$map->height (50);
3102	$map->alloc;
3103	$map->_load_objects ("/tmp/x.map", 1);
3104	my $t = Event::time - $t;
3105
3106	#next unless $t < 0.0013;#d#
3107	if ($t < $min) {
3108	$min = $t;
3109	}
3110	$avg = $avg * 0.99 + $t * 0.01;
3111	}
3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113	exit 0;
3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115	};	3767	};
		3768	}
3116		3769
3117	$RUNTIME += $TICK;
3118	$NEXT_TICK += $TICK;
3119
3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
3122	Coro::async_pool {
3123	write_runtime
3124	or warn "ERROR: unable to write runtime file: $!";
3125	};
3126	}
3127
3128	# my $AFTER = Event::time;
3129	# warn $AFTER - $NOW;#d#
3130
3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132	$sig->send;	3771	$sig->send;
3133	}	3772	}
3134	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
3135	$sig->send;	3774	$sig->send;
3136	}	3775	}
3137		3776
3138	$NOW = Event::time;	3777	$LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140	# if we are delayed by four ticks or more, skip them all
3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143	$TICK_WATCHER->at ($NEXT_TICK);
3144	$TICK_WATCHER->start;
3145
3146	$LOAD = ($NOW - $tick_start) / $TICK;
3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148		3779
3149	_post_tick;	3780	if (0) {
3150		3781	if ($NEXT_TICK) {
3151		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
3152	},	3786	}
3153	);	3787	}
3154		3788
3155	{	3789	{
3156	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
3157	$BDB_POLL_WATCHER = Event->io (	3791
3158	reentrant => 0,
3159	fd => BDB::poll_fileno,
3160	poll => 'r',
3161	prio => 0,
3162	data => WF_AUTOCANCEL,
3163	cb => \&BDB::poll_cb,
3164	);
3165	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
3166		3793	BDB::max_poll_reqs $TICK * 0.1;
3167	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
3168	my $status;
3169	my $current = $Coro::current;
3170	(
3171	sub {
3172	$status = $!;
3173	$current->ready; undef $current;
3174	},
3175	sub {
3176	Coro::schedule while defined $current;
3177	$! = $status;
3178	},
3179	)
3180	};
3181		3795
3182	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
3183	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3184		3803
3185	cf::sync_job {	3804	cf::sync_job {
3186	eval {	3805	eval {
3187	BDB::db_env_open	3806	BDB::db_env_open
3188	$DB_ENV,	3807	$DB_ENV,
…		…
3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192	0666;	3811	0666;
3193		3812
3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197	$DB_ENV->set_lk_detect;
3198	};	3814	};
3199		3815
3200	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
3201	};	3817	};
3202	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
3203	}	3829	}
3204		3830
3205	{	3831	{
		3832	# configure IO::AIO
		3833
3206	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
3207
3208	undef $Coro::AIO::WATCHER;
3209	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
3210	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
3211	reentrant => 0,
3212	data => WF_AUTOCANCEL,
3213	fd => IO::AIO::poll_fileno,
3214	poll => 'r',
3215	prio => 6,
3216	cb => \&IO::AIO::poll_cb,
3217	);
3218	}	3837	}
3219		3838
3220	my $_log_backtrace;	3839	my $_log_backtrace;
3221		3840
3222	sub _log_backtrace {	3841	sub _log_backtrace {
…		…
3225	$msg =~ s/\n//;	3844	$msg =~ s/\n//;
3226		3845
3227	# limit the # of concurrent backtraces	3846	# limit the # of concurrent backtraces
3228	if ($_log_backtrace < 2) {	3847	if ($_log_backtrace < 2) {
3229	++$_log_backtrace;	3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
3230	async {	3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
3231	my @bt = fork_call {	3853	my @bt = fork_call {
3232	@addr = map { sprintf "%x", $_ } @addr;	3854	@addr = map { sprintf "%x", $_ } @addr;
3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3235	or die "addr2line: $!";	3857	or die "addr2line: $!";
…		…
3243	}	3865	}
3244		3866
3245	@funcs	3867	@funcs
3246	};	3868	};
3247		3869
3248	LOG llevInfo, "[ABT] $msg\n";	3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3249	LOG llevInfo, "[ABT] $_\n" for @bt;	3872	LOG llevInfo, "[ABT] $_\n" for @bt;
3250	--$_log_backtrace;	3873	--$_log_backtrace;
3251	};	3874	};
3252	} else {	3875	} else {
3253	LOG llevInfo, "[ABT] $msg\n";	3876	LOG llevInfo, "[ABT] $msg\n";

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