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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.329 by root, Fri Aug 10 05:38:16 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
27		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		43
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
34		46
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
37	our %COMMAND = ();	51	our %COMMAND = ();
38	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
39		53
40	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
44		59
		60	our $RELOAD; # number of reloads so far
45	our @EVENT;	61	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		62
48	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $TICK_WATCHER;	76	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	79	our $NEXT_TICK;
53	our $NOW;	80	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		82
56	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
…		…
62	our $RUNTIME;	89	our $RUNTIME;
63		90
64	our %PLAYER; # all users	91	our %PLAYER; # all users
65	our %MAP; # all maps	92	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		94
73	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
76	binmode STDOUT;	102	binmode STDOUT;
77	binmode STDERR;	103	binmode STDERR;
78		104
79	# read virtual server time, if available	105	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
84	}	110	}
85		111
86	mkdir cf::localdir;	112	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		114
93	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
94		116
95	sub cf::map::normalise;	117	sub cf::map::normalise;
96		118
…		…
107	=item $cf::RUNTIME	129	=item $cf::RUNTIME
108		130
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	132	every server tick.
111		133
112	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		137
114	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
116		142
117	=item $cf::NOW	143	=item $cf::NOW
118		144
119	The time of the last (current) server tick.	145	The time of the last (current) server tick.
120		146
121	=item $cf::TICK	147	=item $cf::TICK
122		148
123	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
124		160
125	=item %cf::CFG	161	=item %cf::CFG
126		162
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	164	from wherever your confdir points to.
129		165
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		167
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
136		177
137	=back	178	=back
138		179
139	=cut	180	=cut
140		181
141	BEGIN {	182	BEGIN {
142	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	184	my $msg = join "", @_;
144	utf8::encode $msg;
145		185
146	$msg .= "\n"	186	$msg .= "\n"
147	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
148		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
149	LOG llevError, $msg;	192	LOG llevError, $msg;
150	};	193	};
151	}	194	}
152		195
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		203
160	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	205	# within the Safe compartment.
162	for my $pkg (qw(	206	for my $pkg (qw(
163	cf::global cf::attachable	207	cf::global cf::attachable
…		…
171	}	215	}
172		216
173	$Event::DIED = sub {	217	$Event::DIED = sub {
174	warn "error in event callback: @_";	218	warn "error in event callback: @_";
175	};	219	};
		220
		221	#############################################################################
176		222
177	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
178		224
179	=over 4	225	=over 4
180		226
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	246	$d
201	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
202	}	248	}
203		249
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
207		251
208	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
209		253
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
218		255
219	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
220		257
221	=cut	258	=cut
222		259
223	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
225	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
227		264
228	=item cf::lock_wait $string	265	=item cf::lock_wait $string
229		266
230	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
231		268
…		…
237	returned.	274	returned.
238		275
239	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
241		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
242	=cut	283	=cut
243		284
244	our %LOCK;	285	our %LOCK;
245		286
246	sub lock_wait($) {	287	sub lock_wait($) {
…		…
265	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
267	}	308	}
268	}	309	}
269		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
270	sub freeze_mainloop {	317	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
272		319
273	my $guard = Coro::guard {	320	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	322	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
279	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
280	}	381	}
281		382
282	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
283		384
284	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		390
290	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
291		392
292	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
293		394
294	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
297		399
298	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
301	fast or be very important.	403	fast or be very important.
…		…
304		406
305	sub sync_job(&) {	407	sub sync_job(&) {
306	my ($job) = @_;	408	my ($job) = @_;
307		409
308	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
309	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
311		415
312	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
324		428
325	while ($busy) {	429	while ($busy) {
326	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
327	}	431	}
328		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
329	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
330	} else {	441	} else {
331	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
332		443
333	$job->()	444	$job->()
…		…
352	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
353		464
354	$coro	465	$coro
355	}	466	}
356		467
357	sub write_runtime {	468	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		469
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
361	or return;	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
362		474
363	my $value = $cf::RUNTIME + 90 + 10;	475	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		476
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	477	sub _store_scalar {
368	and return;	478	open my $fh, ">", \my $buf
369		479	or die "fork_call: cannot open fh-to-buf in child : $!";
370	# always fsync - this file is important	480	Storable::store_fd $_[0], $fh;
371	aio_fsync $fh
372	and return;
373
374	close $fh	481	close $fh;
375	or return;
376		482
377	aio_rename "$runtime~", $runtime	483	$buf
378	and return;	484	}
379		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
380	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	655	}
382		656
383	=back	657	=back
384		658
385	=cut	659	=cut
…		…
392	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
394		668
395	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	671	Crossfire TRT).
398		672
399	=over 4	673	=over 4
400		674
401	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
402		676
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
566		840
567	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		845
572	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	847	my $pkg = shift @arg;
574		848
575	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
605	}	879	}
606		880
607	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
608	} else {	882	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	884	}
611		885
612	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
613	}	887	}
614		888
…		…
616	if (ref $_[0]) {	890	if (ref $_[0]) {
617	_object_attach @_;	891	_object_attach @_;
618	} else {	892	} else {
619	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
620	}	894	}
		895	_recalc_want;
621	};	896	};
622		897
623	# all those should be optimised	898	# all those should be optimised
624	sub cf::attachable::detach {	899	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
629	reattach ($obj);	904	reattach ($obj);
630	} else {	905	} else {
631	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
632	}	907	}
		908	_recalc_want;
633	};	909	};
634		910
635	sub cf::attachable::attached {	911	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
637		913
…		…
652	";	928	";
653	die if $@;	929	die if $@;
654	}	930	}
655		931
656	our $override;	932	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		934
659	sub override {	935	sub override {
660	$override = 1;	936	$override = 1;
661	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
662	}	938	}
663		939
664	sub do_invoke {	940	sub do_invoke {
665	my $event = shift;	941	my $event = shift;
666	my $callbacks = shift;	942	my $callbacks = shift;
667		943
668	@invoke_results = ();	944	@INVOKE_RESULTS = ();
669		945
670	local $override;	946	local $override;
671		947
672	for (@$callbacks) {	948	for (@$callbacks) {
673	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
690		966
691	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
692		968
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		972
697	=back	973	=back
698		974
699	=cut	975	=cut
700		976
701	#############################################################################	977	#############################################################################
702	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
703		990
704	sub reattach {	991	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	993	my ($obj) = @_;
707		994
…		…
784	}	1071	}
785	} else {	1072	} else {
786	aio_unlink $filename;	1073	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1074	aio_unlink "$filename.pst";
788	}	1075	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1076	}
796	}	1077	}
797		1078
798	sub object_freezer_as_string {	1079	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1080	my ($rdata, $objs) = @_;
…		…
805		1086
806	sub object_thawer_load {	1087	sub object_thawer_load {
807	my ($filename) = @_;	1088	my ($filename) = @_;
808		1089
809	my ($data, $av);	1090	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1091
814	(aio_load $filename, $data) >= 0	1092	(aio_load $filename, $data) >= 0
815	or return;	1093	or return;
816		1094
817	unless (aio_stat "$filename.pst") {	1095	unless (aio_stat "$filename.pst") {
…		…
819	or return;	1097	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
821	}	1099	}
822		1100
823	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
825	return ($data, $av);	1103	return ($data, $av);
826	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
827		1111
828	#############################################################################	1112	#############################################################################
829	# command handling &c	1113	# command handling &c
830		1114
831	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1129	}
846		1130
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1132
849	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
850		1138
851	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
852	called.	1140	called.
853		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
854	=cut	1153	=cut
855		1154
856	sub register_extcmd {	1155	sub register_extcmd {
857	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
858		1157
859	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
860	}	1165	}
861		1166
862	cf::player->attach (	1167	cf::player->attach (
863	on_command => sub {	1168	on_command => sub {
864	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1178	cf::override;
874	},	1179	},
875	on_extcmd => sub {	1180	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
877		1182
878	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1184
880	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
883	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
884	}	1195	if $reply;
885	}	1196	}
886	} else {	1197	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1199	}
889		1200
890	cf::override;	1201	cf::override;
891	},	1202	},
892	);	1203	);
893		1204
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
929	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1210	next unless -r $path;
931	eval {	1211
932	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
933	1	1269	}
934	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
935	}	1275	};
936	}	1276	}
937		1277
938	#############################################################################	1278	#############################################################################
939		1279
		1280	=back
		1281
940	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
941		1283
942	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
943		1285
944	=cut	1286	=cut
…		…
956	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
957		1299
958	=cut	1300	=cut
959		1301
960	sub playerdir($) {	1302	sub playerdir($) {
961	cf::localdir	1303	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1305	}
967		1306
968	sub path($) {	1307	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1309
971	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
972	}	1311	}
973		1312
974	sub find_active($) {	1313	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1328	my $login = $_[0];
990		1329
991	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
992		1331
993	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
994	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
995	or return;	1341	or return;
996	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
997	}	1343	}
998	}	1344	}
…		…
1026	$cf::PLAYER{$login} = $self;	1372	$cf::PLAYER{$login} = $self;
1027		1373
1028	$self	1374	$self
1029	}	1375	}
1030		1376
		1377	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1378
		1379	=cut
		1380
		1381	sub send_msg {
		1382	my $ns = shift->ns
		1383	or return;
		1384	$ns->send_msg (@_);
		1385	}
		1386
1031	=item $pl->quit_character	1387	=item $pl->quit_character
1032		1388
1033	Nukes the player without looking back. If logged in, the connection will	1389	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1390	be destroyed. May block for a long time.
1035		1391
1036	=cut	1392	=cut
1037		1393
1038	sub quit_character {	1394	sub quit_character {
1039	my ($pl) = @_;	1395	my ($pl) = @_;
		1396
		1397	my $name = $pl->ob->name;
1040		1398
1041	$pl->{deny_save} = 1;	1399	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1400	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1401
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1407	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1408	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1409	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1410	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1411	$pl->destroy;
		1412
		1413	my $prefix = qr<^~\Q$name\E/>;
		1414
		1415	# nuke player maps
		1416	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1417
1054	IO::AIO::aio_rmtree $temp;	1418	IO::AIO::aio_rmtree $temp;
		1419	}
		1420
		1421	=item $pl->kick
		1422
		1423	Kicks a player out of the game. This destroys the connection.
		1424
		1425	=cut
		1426
		1427	sub kick {
		1428	my ($pl, $kicker) = @_;
		1429
		1430	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1431	$pl->killer ("kicked");
		1432	$pl->ns->destroy;
1055	}	1433	}
1056		1434
1057	=item cf::player::list_logins	1435	=item cf::player::list_logins
1058		1436
1059	Returns am arrayref of all valid playernames in the system, can take a	1437	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1438	while and may block, so not sync_job-capable, ever.
1061		1439
1062	=cut	1440	=cut
1063		1441
1064	sub list_logins {	1442	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1443	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1444	or return [];
1067		1445
1068	my @logins;	1446	my @logins;
1069		1447
1070	for my $login (@$dirs) {	1448	for my $login (@$dirs) {
…		…
1105	}	1483	}
1106		1484
1107	\@paths	1485	\@paths
1108	}	1486	}
1109		1487
		1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1489
		1490	Expand crossfire pod fragments into protocol xml.
		1491
		1492	=cut
		1493
		1494	sub expand_cfpod {
		1495	((my $self), (local $_)) = @_;
		1496
		1497	# escape & and <
		1498	s/&/&amp;/g;
		1499	s/(?<![BIUGH])</&lt;/g;
		1500
		1501	# this is buggy, it needs to properly take care of nested <'s
		1502
		1503	1 while
		1504	# replace B<>, I<>, U<> etc.
		1505	s/B<([^\>]*)>/<b>$1<\/b>/
		1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1508	# replace G<male|female> tags
		1509	|| s{G<([^>|]*)\|([^>]*)>}{
		1510	$self->gender ? $2 : $1
		1511	}ge
		1512	# replace H<hint text>
		1513	|| s{H<([^\>]*)>}
		1514	{
		1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1517	"")
		1518	[$self->{hintmode}]
		1519	}ge;
		1520
		1521	# create single paragraphs (very hackish)
		1522	s/(?<=\S)\n(?=\w)/ /g;
		1523
		1524	# compress some whitespace
		1525	s/\s+\n/\n/g; # ws line-ends
		1526	s/\n\n+/\n/g; # double lines
		1527	s/^\n+//; # beginning lines
		1528	s/\n+$//; # ending lines
		1529
		1530	$_
		1531	}
		1532
		1533	sub hintmode {
		1534	$_[0]{hintmode} = $_[1] if @_ > 1;
		1535	$_[0]{hintmode}
		1536	}
		1537
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1538	=item $player->ext_reply ($msgid, @msg)
1111		1539
1112	Sends an ext reply to the player.	1540	Sends an ext reply to the player.
1113		1541
1114	=cut	1542	=cut
1115		1543
1116	sub ext_reply($$$%) {	1544	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1545	my ($self, $id, @msg) = @_;
1118		1546
1119	$msg{msgid} = $id;	1547	if ($self->ns->extcmd == 2) {
1120		1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1121	$self->send ("ext " . cf::to_json \%msg);	1549	} elsif ($self->ns->extcmd == 1) {
		1550	#TODO: version 1, remove
		1551	unshift @msg, msgtype => "reply", msgid => $id;
		1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1553	}
1122	}	1554	}
1123		1555
1124	package cf;	1556	=item $player->ext_msg ($type, @msg)
		1557
		1558	Sends an ext event to the client.
		1559
		1560	=cut
		1561
		1562	sub ext_msg($$@) {
		1563	my ($self, $type, @msg) = @_;
		1564
		1565	$self->ns->ext_msg ($type, @msg);
		1566	}
		1567
		1568	=head3 cf::region
		1569
		1570	=over 4
		1571
		1572	=cut
		1573
		1574	package cf::region;
		1575
		1576	=item cf::region::find_by_path $path
		1577
		1578	Tries to decuce the likely region for a map knowing only its path.
		1579
		1580	=cut
		1581
		1582	sub find_by_path($) {
		1583	my ($path) = @_;
		1584
		1585	my ($match, $specificity);
		1586
		1587	for my $region (list) {
		1588	if ($region->{match} && $path =~ $region->{match}) {
		1589	($match, $specificity) = ($region, $region->specificity)
		1590	if $region->specificity > $specificity;
		1591	}
		1592	}
		1593
		1594	$match
		1595	}
1125		1596
1126	=back	1597	=back
1127
1128		1598
1129	=head3 cf::map	1599	=head3 cf::map
1130		1600
1131	=over 4	1601	=over 4
1132		1602
…		…
1187	my ($self, $merge) = @_;	1657	my ($self, $merge) = @_;
1188		1658
1189	# we have to keep some variables in memory intact	1659	# we have to keep some variables in memory intact
1190	local $self->{path};	1660	local $self->{path};
1191	local $self->{load_path};	1661	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1662
1195	$self->SUPER::thawer_merge ($merge);	1663	$self->SUPER::thawer_merge ($merge);
1196	}	1664	}
1197		1665
1198	sub normalise {	1666	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1713	$self->init; # pass $1 etc.
1246	return $self;	1714	return $self;
1247	}	1715	}
1248	}	1716	}
1249		1717
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1718	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1719	()
1252	}	1720	}
1253		1721
1254	sub init {	1722	sub init {
1255	my ($self) = @_;	1723	my ($self) = @_;
…		…
1270		1738
1271	# the original (read-only) location	1739	# the original (read-only) location
1272	sub load_path {	1740	sub load_path {
1273	my ($self) = @_;	1741	my ($self) = @_;
1274		1742
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1743	"$MAPDIR/$self->{path}.map"
1276	}	1744	}
1277		1745
1278	# the temporary/swap location	1746	# the temporary/swap location
1279	sub save_path {	1747	sub save_path {
1280	my ($self) = @_;	1748	my ($self) = @_;
1281		1749
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1751	"$TMPDIR/$path.map"
1284	}	1752	}
1285		1753
1286	# the unique path, undef == no special unique path	1754	# the unique path, undef == no special unique path
1287	sub uniq_path {	1755	sub uniq_path {
1288	my ($self) = @_;	1756	my ($self) = @_;
1289		1757
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1759	"$UNIQUEDIR/$path"
1292	}	1760	}
1293		1761
1294	# and all this just because we cannot iterate over	1762	# and all this just because we cannot iterate over
1295	# all maps in C++...	1763	# all maps in C++...
1296	sub change_all_map_light {	1764	sub change_all_map_light {
…		…
1298		1766
1299	$_->change_map_light ($change)	1767	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1768	for grep $_->outdoor, values %cf::MAP;
1301	}	1769	}
1302		1770
		1771	sub decay_objects {
		1772	my ($self) = @_;
		1773
		1774	return if $self->{deny_reset};
		1775
		1776	$self->do_decay_objects;
		1777	}
		1778
1303	sub unlink_save {	1779	sub unlink_save {
1304	my ($self) = @_;	1780	my ($self) = @_;
1305		1781
1306	utf8::encode (my $save = $self->save_path);	1782	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1783	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1784	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1785	}
1315		1786
1316	sub load_header_from($) {	1787	sub load_header_from($) {
1317	my ($self, $path) = @_;	1788	my ($self, $path) = @_;
1318		1789
…		…
1368	$self->load_header_orig	1839	$self->load_header_orig
1369	or return;	1840	or return;
1370	$self->prepare_orig;	1841	$self->prepare_orig;
1371	}	1842	}
1372		1843
		1844	$self->{deny_reset} = 1
		1845	if $self->no_reset;
		1846
		1847	$self->default_region (cf::region::find_by_path $self->{path})
		1848	unless $self->default_region;
		1849
1373	1	1850	1
1374	}	1851	}
1375		1852
1376	sub find;	1853	sub find;
1377	sub find {	1854	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1866	$map->{last_save} = $cf::RUNTIME;
1390		1867
1391	$map->load_header	1868	$map->load_header
1392	or return;	1869	or return;
1393		1870
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1872	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1873	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1874	$map->reset;
1398	undef $guard;	1875	undef $guard;
1399	return find $path;	1876	return find $path;
…		…
1410	my ($self) = @_;	1887	my ($self) = @_;
1411		1888
1412	local $self->{deny_reset} = 1; # loading can take a long time	1889	local $self->{deny_reset} = 1; # loading can take a long time
1413		1890
1414	my $path = $self->{path};	1891	my $path = $self->{path};
		1892
		1893	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1894	my $guard = cf::lock_acquire "map_load:$path";
1416		1895
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1897
1419	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1420		1899
1421	$self->alloc;	1900	$self->alloc;
1422		1901
1423	$self->pre_load;	1902	$self->pre_load;
1424
1425	$self->_load_objects ($self->{load_path}, 1)
1426	or return;
1427
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};
1430
1431	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {
1434	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);
1436	}
1437	}
1438
1439	Coro::cede;
1440
1441	# now do the right thing for maps
1442	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;	1903	Coro::cede;
1449	$self->set_darkness_map;	1904
		1905	$self->_load_objects ($self->{load_path}, 1)
		1906	or return;
		1907
		1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1909	if delete $self->{load_original};
		1910
		1911	if (my $uniq = $self->uniq_path) {
		1912	utf8::encode $uniq;
		1913	if (aio_open $uniq, O_RDONLY, 0) {
		1914	$self->clear_unique_items;
		1915	$self->_load_objects ($uniq, 0);
		1916	}
		1917	}
		1918
		1919	Coro::cede;
		1920	# now do the right thing for maps
		1921	$self->link_multipart_objects;
1450	$self->difficulty ($self->estimate_difficulty)	1922	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1923	unless $self->difficulty;
1452	Coro::cede;	1924	Coro::cede;
		1925
		1926	unless ($self->{deny_activate}) {
		1927	$self->decay_objects;
		1928	$self->fix_auto_apply;
		1929	$self->update_buttons;
		1930	Coro::cede;
		1931	$self->set_darkness_map;
		1932	Coro::cede;
1453	$self->activate;	1933	$self->activate;
		1934	}
		1935
		1936	$self->{last_save} = $cf::RUNTIME;
		1937	$self->last_access ($cf::RUNTIME);
		1938
		1939	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1940	}
1455		1941
1456	$self->post_load;	1942	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1943	}
1460		1944
1461	sub customise_for {	1945	sub customise_for {
1462	my ($self, $ob) = @_;	1946	my ($self, $ob) = @_;
1463		1947
1464	return find "~" . $ob->name . "/" . $self->{path}	1948	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1949	if $self->per_player;
		1950
		1951	# return find "?party/" . $ob->name . "/" . $self->{path}
		1952	# if $self->per_party;
1466		1953
1467	$self	1954	$self
1468	}	1955	}
1469		1956
1470	# find and load all maps in the 3x3 area around a map	1957	# find and load all maps in the 3x3 area around a map
…		…
1517		2004
1518	undef $MAP_PREFETCH{$path};	2005	undef $MAP_PREFETCH{$path};
1519	$MAP_PREFETCHER ||= cf::async {	2006	$MAP_PREFETCHER ||= cf::async {
1520	while (%MAP_PREFETCH) {	2007	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2008	for my $path (keys %MAP_PREFETCH) {
1522	my $map = find $path	2009	if (my $map = find $path) {
1523	or next;
1524	$map->load;	2010	$map->load;
		2011	}
1525		2012
1526	delete $MAP_PREFETCH{$path};	2013	delete $MAP_PREFETCH{$path};
1527	}	2014	}
1528	}	2015	}
1529	undef $MAP_PREFETCHER;	2016	undef $MAP_PREFETCHER;
…		…
1581		2068
1582	sub reset_at {	2069	sub reset_at {
1583	my ($self) = @_;	2070	my ($self) = @_;
1584		2071
1585	# TODO: safety, remove and allow resettable per-player maps	2072	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2073	return 1e99 if $self->{deny_reset};
1588		2074
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2075	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2076	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2077
…		…
1602	my ($self) = @_;	2088	my ($self) = @_;
1603		2089
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2090	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2091
1606	return if $self->players;	2092	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2093
1609	warn "resetting map ", $self->path;#d#	2094	warn "resetting map ", $self->path;
		2095
		2096	$self->in_memory (cf::MAP_SWAPPED);
		2097
		2098	# need to save uniques path
		2099	unless ($self->{deny_save}) {
		2100	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2101
		2102	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2103	if $uniq;
		2104	}
1610		2105
1611	delete $cf::MAP{$self->path};	2106	delete $cf::MAP{$self->path};
1612		2107
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	2108	$self->clear;
1615		2109
1616	$_->clear_links_to ($self) for values %cf::MAP;	2110	$_->clear_links_to ($self) for values %cf::MAP;
1617		2111
1618	$self->unlink_save;	2112	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	2131	$cf::MAP{$self->path} = $self;
1638		2132
1639	$self->reset; # polite request, might not happen	2133	$self->reset; # polite request, might not happen
1640	}	2134	}
1641		2135
		2136	=item $maps = cf::map::tmp_maps
		2137
		2138	Returns an arrayref with all map paths of currently instantiated and saved
		2139	maps. May block.
		2140
		2141	=cut
		2142
		2143	sub tmp_maps() {
		2144	[
		2145	map {
		2146	utf8::decode $_;
		2147	/\.map$/
		2148	? normalise $_
		2149	: ()
		2150	} @{ aio_readdir $TMPDIR or [] }
		2151	]
		2152	}
		2153
		2154	=item $maps = cf::map::random_maps
		2155
		2156	Returns an arrayref with all map paths of currently instantiated and saved
		2157	random maps. May block.
		2158
		2159	=cut
		2160
		2161	sub random_maps() {
		2162	[
		2163	map {
		2164	utf8::decode $_;
		2165	/\.map$/
		2166	? normalise "?random/$_"
		2167	: ()
		2168	} @{ aio_readdir $RANDOMDIR or [] }
		2169	]
		2170	}
		2171
1642	=item cf::map::unique_maps	2172	=item cf::map::unique_maps
1643		2173
1644	Returns an arrayref of paths of all shared maps that have	2174	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2175	instantiated unique items. May block.
1646		2176
1647	=cut	2177	=cut
1648		2178
1649	sub unique_maps() {	2179	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2180	[
1651	or return;	2181	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2182	utf8::decode $_;
1657	next if /\.pst$/;	2183	/\.map$/
1658	next unless /^$PATH_SEP/o;	2184	? normalise $_
1659		2185	: ()
1660	push @paths, cf::map::normalise $_;	2186	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2187	]
1662
1663	\@paths
1664	}	2188	}
1665		2189
1666	package cf;	2190	package cf;
1667		2191
1668	=back	2192	=back
…		…
1714		2238
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2239	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2240
1717	if ($self->{record_replies}) {	2241	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2242	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2243
1719	} else {	2244	} else {
		2245	my $pl = $self->contr;
		2246
		2247	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2248	my $dialog = $pl->{npc_dialog};
		2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2250
		2251	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2252	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2253	$self->message ($msg, $flags);
		2254	}
1722	}	2255	}
		2256	}
		2257
		2258	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2259
		2260	=cut
		2261
		2262	sub cf::object::send_msg {
		2263	my $pl = shift->contr
		2264	or return;
		2265	$pl->send_msg (@_);
1723	}	2266	}
1724		2267
1725	=item $player_object->may ("access")	2268	=item $player_object->may ("access")
1726		2269
1727	Returns wether the given player is authorized to access resource "access"	2270	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2317	$self->deactivate_recursive;
1775		2318
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2319	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2320
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2322	if $self->map && $self->map->{path} ne "{link}";
1780		2323
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2325	}
1783		2326
1784	sub cf::object::player::leave_link {	2327	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2328	my ($self, $map, $x, $y) = @_;
		2329
		2330	return unless $self->contr->active;
1786		2331
1787	my $link_pos = delete $self->{_link_pos};	2332	my $link_pos = delete $self->{_link_pos};
1788		2333
1789	unless ($map) {	2334	unless ($map) {
1790	# restore original map position	2335	# restore original map position
…		…
1808	$map->load;	2353	$map->load;
1809	$map->load_diag;	2354	$map->load_diag;
1810		2355
1811	return unless $self->contr->active;	2356	return unless $self->contr->active;
1812	$self->activate_recursive;	2357	$self->activate_recursive;
		2358
		2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2360	$self->enter_map ($map, $x, $y);
1814	}	2361	}
1815		2362
1816	cf::player->attach (	2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2364
1820	# abort map switching before logout	2365	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2366	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2367	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2368	the new (success) or old (failed) map position. In either case, $done will
1824	};	2369	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2370
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2371	=cut
		2372
		2373	our $GOTOGEN;
1851		2374
1852	sub cf::object::player::goto {	2375	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2376	my ($self, $path, $x, $y, $check, $done) = @_;
		2377
		2378	# do generation counting so two concurrent goto's will be executed in-order
		2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2380
1855	$self->enter_link;	2381	$self->enter_link;
1856		2382
1857	(async {	2383	(async {
1858	my $map = eval {	2384	my $map = eval {
1859	my $map = cf::map::find $path;	2385	my $map = cf::map::find $path;
		2386
		2387	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2388	$map = $map->customise_for ($self);
		2389	$map = $check->($map) if $check && $map;
		2390	} else {
		2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2392	}
		2393
1861	$map	2394	$map
		2395	};
		2396
		2397	if ($@) {
		2398	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2399	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2400	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2401
		2402	if ($gen == $self->{_goto_generation}) {
		2403	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2404	$self->leave_link ($map, $x, $y);
		2405	}
		2406
		2407	$done->() if $done;
1866	})->prio (1);	2408	})->prio (1);
1867	}	2409	}
1868		2410
1869	=item $player_object->enter_exit ($exit_object)	2411	=item $player_object->enter_exit ($exit_object)
1870		2412
…		…
1909		2451
1910	$rmp->{random_seed} ||= $exit->random_seed;	2452	$rmp->{random_seed} ||= $exit->random_seed;
1911		2453
1912	my $data = cf::to_json $rmp;	2454	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2455	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2456	my $meta = "$RANDOMDIR/$md5.meta";
1915		2457
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2459	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2460	undef $fh;
1919	aio_rename "$meta~", $meta;	2461	aio_rename "$meta~", $meta;
…		…
1928		2470
1929	return unless $self->type == cf::PLAYER;	2471	return unless $self->type == cf::PLAYER;
1930		2472
1931	if ($exit->slaying eq "/!") {	2473	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2475	# the problem is that $exit might not survive long enough
		2476	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2477	cf::sync_job { prepare_random_map $exit };
1934	}	2478	}
1935		2479
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2481	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2482	my $sp = $exit->stats->sp;
1939		2483
1940	$self->enter_link;	2484	$self->enter_link;
		2485
		2486	# if exit is damned, update players death & WoR home-position
		2487	$self->contr->savebed ($slaying, $hp, $sp)
		2488	if $exit->flag (FLAG_DAMNED);
1941		2489
1942	(async {	2490	(async {
1943	$self->deactivate_recursive; # just to be sure	2491	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2492	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2493	$self->goto ($slaying, $hp, $sp);
1946		2494
1947	1;	2495	1;
1948	}) {	2496	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2497	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2498	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2499	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2500	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2501
1954	warn "ERROR in enter_exit: $@";	2502	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2503	$self->leave_link;
1956	}	2504	}
1957	})->prio (1);	2505	})->prio (1);
…		…
1970		2518
1971	sub cf::client::send_drawinfo {	2519	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2520	my ($self, $text, $flags) = @_;
1973		2521
1974	utf8::encode $text;	2522	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2524	}
1977		2525
		2526	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2527
		2528	Send a drawinfo or msg packet to the client, formatting the msg for the
		2529	client if neccessary. C<$type> should be a string identifying the type of
		2530	the message, with C<log> being the default. If C<$color> is negative, suppress
		2531	the message unless the client supports the msg packet.
		2532
		2533	=cut
		2534
		2535	sub cf::client::send_msg {
		2536	my ($self, $channel, $msg, $color, @extra) = @_;
		2537
		2538	$msg = $self->pl->expand_cfpod ($msg);
		2539
		2540	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2541
		2542	if (ref $channel) {
		2543	# send meta info to client, if not yet sent
		2544	unless (exists $self->{channel}{$channel->{id}}) {
		2545	$self->{channel}{$channel->{id}} = $channel;
		2546	$self->ext_msg (channel_info => $channel);
		2547	}
		2548
		2549	$channel = $channel->{id};
		2550	}
		2551
		2552	return unless @extra || length $msg;
		2553
		2554	if ($self->can_msg) {
		2555	# default colour, mask it out
		2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2557	if $color & cf::NDI_DEF;
		2558
		2559	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2561	} else {
		2562	if ($color >= 0) {
		2563	# replace some tags by gcfclient-compatible ones
		2564	for ($msg) {
		2565	1 while
		2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2571	}
		2572
		2573	$color &= cf::NDI_COLOR_MASK;
		2574
		2575	utf8::encode $msg;
		2576
		2577	if (0 && $msg =~ /\[/) {
		2578	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	my $extcmd = $self->extcmd;
		2597
		2598	if ($extcmd == 2) {
		2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2600	} elsif ($extcmd == 1) { # TODO: remove
		2601	push @msg, msgtype => "event_$type";
		2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2603	}
		2604	}
1978		2605
1979	=item $success = $client->query ($flags, "text", \&cb)	2606	=item $success = $client->query ($flags, "text", \&cb)
1980		2607
1981	Queues a query to the client, calling the given callback with	2608	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2609	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2610	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2611
1985	Queries can fail, so check the return code. Or don't, as queries will become	2612	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2613	become reliable at some point in the future.
1987		2614
1988	=cut	2615	=cut
1989		2616
1990	sub cf::client::query {	2617	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2618	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2626	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2627	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2628
2002	$self->send_packet ($self->{query_queue}[0][0])	2629	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2630	if @{ $self->{query_queue} } == 1;
		2631
		2632	1
2004	}	2633	}
2005		2634
2006	cf::client->attach (	2635	cf::client->attach (
		2636	on_connect => sub {
		2637	my ($ns) = @_;
		2638
		2639	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2640	},
2007	on_reply => sub {	2641	on_reply => sub {
2008	my ($ns, $msg) = @_;	2642	my ($ns, $msg) = @_;
2009		2643
2010	# this weird shuffling is so that direct followup queries	2644	# this weird shuffling is so that direct followup queries
2011	# get handled first	2645	# get handled first
…		…
2023	} else {	2657	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2658	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2659	}
2026	}	2660	}
2027	},	2661	},
		2662	on_exticmd => sub {
		2663	my ($ns, $buf) = @_;
		2664
		2665	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2666
		2667	if (ref $msg) {
		2668	my ($type, $reply, @payload) =
		2669	"ARRAY" eq ref $msg
		2670	? @$msg
		2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2672
		2673	if (my $cb = $EXTICMD{$type}) {
		2674	my @reply = $cb->($ns, @payload);
		2675
		2676	$ns->ext_reply ($reply, @reply)
		2677	if $reply;
		2678	}
		2679	} else {
		2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2681	}
		2682
		2683	cf::override;
		2684	},
2028	);	2685	);
2029		2686
2030	=item $client->async (\&cb)	2687	=item $client->async (\&cb)
2031		2688
2032	Create a new coroutine, running the specified callback. The coroutine will	2689	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2730	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2731	our $safe_hole = new Safe::Hole;
2075		2732
2076	$SIG{FPE} = 'IGNORE';	2733	$SIG{FPE} = 'IGNORE';
2077		2734
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2735	$safe->permit_only (Opcode::opset qw(
		2736	:base_core :base_mem :base_orig :base_math
		2737	grepstart grepwhile mapstart mapwhile
		2738	sort time
		2739	));
2079		2740
2080	# here we export the classes and methods available to script code	2741	# here we export the classes and methods available to script code
2081		2742
2082	=pod	2743	=pod
2083		2744
2084	The following fucntions and emthods are available within a safe environment:	2745	The following functions and methods are available within a safe environment:
2085		2746
2086	cf::object contr pay_amount pay_player map	2747	cf::object
		2748	contr pay_amount pay_player map x y force_find force_add
		2749	insert remove
		2750
2087	cf::object::player player	2751	cf::object::player
2088	cf::player peaceful	2752	player
2089	cf::map trigger	2753
		2754	cf::player
		2755	peaceful
		2756
		2757	cf::map
		2758	trigger
2090		2759
2091	=cut	2760	=cut
2092		2761
2093	for (	2762	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2764	insert remove inv)],
2095	["cf::object::player" => qw(player)],	2765	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2766	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2767	["cf::map" => qw(trigger)],
2098	) {	2768	) {
2099	no strict 'refs';	2769	no strict 'refs';
…		…
2170	=back	2840	=back
2171		2841
2172	=cut	2842	=cut
2173		2843
2174	#############################################################################	2844	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2845	# the server's init and main functions
2284		2846
2285	sub load_resources {	2847	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2848	my ($path) = @_;
		2849
		2850	warn "loading facedata from $path\n";
		2851
		2852	my $facedata;
		2853	0 < aio_load $path, $facedata
		2854	or die "$path: $!";
		2855
		2856	$facedata = Coro::Storable::thaw $facedata;
		2857
		2858	$facedata->{version} == 2
		2859	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2860
		2861	{
		2862	my $faces = $facedata->{faceinfo};
		2863
		2864	while (my ($face, $info) = each %$faces) {
		2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
		2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2870
		2871	cf::cede_to_tick;
		2872	}
		2873
		2874	while (my ($face, $info) = each %$faces) {
		2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
		2884
		2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904	my $enc = JSON::XS->new->utf8->canonical;
		2905
		2906	my $soundconf = delete $res->{"res/sound.conf"};
		2907
		2908	while (my ($name, $info) = each %$res) {
		2909	my $meta = $enc->encode ({
		2910	name => $name,
		2911	%{ $info->{meta} || {} },
		2912	});
		2913
		2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2915
		2916	if ($info->{type} & 1) {
		2917	# prepend meta info
		2918
		2919	my $data = pack "(w/a*)*", $meta, $info->{data};
		2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2921
		2922	cf::face::set_data $idx, 0, $data, $chk;
		2923	} else {
		2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2925	}
		2926
		2927	cf::face::set_type $idx, $info->{type};
		2928
		2929	cf::cede_to_tick;
		2930	}
		2931
		2932	if ($soundconf) {
		2933	$soundconf = $enc->decode (delete $soundconf->{data});
		2934
		2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2936	my $sound = $soundconf->{compat}[$_]
		2937	or next;
		2938
		2939	my $face = cf::face::find "sound/$sound->[1]";
		2940	cf::sound::set $sound->[0] => $face;
		2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2942	}
		2943
		2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2945	my $face = cf::face::find "sound/$v";
		2946	cf::sound::set $k => $face;
		2947	}
		2948	}
		2949	}
		2950
		2951	1
		2952	}
		2953
		2954	register_exticmd fx_want => sub {
		2955	my ($ns, $want) = @_;
		2956
		2957	while (my ($k, $v) = each %$want) {
		2958	$ns->fx_want ($k, $v);
		2959	}
		2960	};
		2961
		2962	sub reload_regions {
		2963	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	2964	or die "unable to load regions file\n";
		2965
		2966	for (cf::region::list) {
		2967	$_->{match} = qr/$_->{match}/
		2968	if exists $_->{match};
		2969	}
		2970	}
		2971
		2972	sub reload_facedata {
		2973	load_facedata "$DATADIR/facedata"
		2974	or die "unable to load facedata\n";
		2975	}
		2976
		2977	sub reload_archetypes {
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	#d# NEED to laod twice to resolve forward references
		2981	# this really needs to be done in an extra post-pass
		2982	# (which needs to be synchronous, so solve it differently)
		2983	load_resource_file "$DATADIR/archetypes"
		2984	or die "unable to load archetypes\n";
		2985	}
		2986
		2987	sub reload_treasures {
		2988	load_resource_file "$DATADIR/treasures"
		2989	or die "unable to load treasurelists\n";
		2990	}
		2991
		2992	sub reload_resources {
		2993	warn "reloading resource files...\n";
		2994
		2995	reload_regions;
		2996	reload_facedata;
		2997	#reload_archetypes;#d#
		2998	reload_archetypes;
		2999	reload_treasures;
		3000
		3001	warn "finished reloading resource files\n";
		3002	}
		3003
		3004	sub init {
		3005	reload_resources;
2288	}	3006	}
2289		3007
2290	sub cfg_load {	3008	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3009	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3010	or return;
2293		3011
2294	local $/;	3012	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3013	*CFG = YAML::Syck::Load <$fh>;
2296		3014
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3022	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	3023	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	3024	};
2307	warn $@ if $@;	3025	warn $@ if $@;
2308	}	3026	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	3027	}
2314		3028
2315	sub main {	3029	sub main {
2316	# we must not ever block the main coroutine	3030	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3031	local $Coro::idle = sub {
…		…
2320	Event::one_event;	3034	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3035	})->prio (Coro::PRIO_MAX);
2322	};	3036	};
2323		3037
2324	cfg_load;	3038	cfg_load;
2325	db_load;	3039	db_init;
2326	load_extensions;	3040	load_extensions;
2327		3041
2328	$TICK_WATCHER->start;	3042	$TICK_WATCHER->start;
2329	Event::loop;	3043	Event::loop;
2330	}	3044	}
…		…
2345	},	3059	},
2346	);	3060	);
2347	}	3061	}
2348	}	3062	}
2349		3063
		3064	sub write_runtime {
		3065	my $runtime = "$LOCALDIR/runtime";
		3066
		3067	# first touch the runtime file to show we are still running:
		3068	# the fsync below can take a very very long time.
		3069
		3070	IO::AIO::aio_utime $runtime, undef, undef;
		3071
		3072	my $guard = cf::lock_acquire "write_runtime";
		3073
		3074	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3075	or return;
		3076
		3077	my $value = $cf::RUNTIME + 90 + 10;
		3078	# 10 is the runtime save interval, for a monotonic clock
		3079	# 60 allows for the watchdog to kill the server.
		3080
		3081	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3082	and return;
		3083
		3084	# always fsync - this file is important
		3085	aio_fsync $fh
		3086	and return;
		3087
		3088	# touch it again to show we are up-to-date
		3089	aio_utime $fh, undef, undef;
		3090
		3091	close $fh
		3092	or return;
		3093
		3094	aio_rename "$runtime~", $runtime
		3095	and return;
		3096
		3097	warn "runtime file written.\n";
		3098
		3099	1
		3100	}
		3101
2350	sub emergency_save() {	3102	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3103	my $freeze_guard = cf::freeze_mainloop;
2352		3104
2353	warn "enter emergency perl save\n";	3105	warn "enter emergency perl save\n";
2354		3106
…		…
2369	my $map = $cf::MAP{$path} or next;	3121	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3122	$map->valid or next;
2371	$map->save;	3123	$map->save;
2372	}	3124	}
2373	warn "end emergency map save\n";	3125	warn "end emergency map save\n";
		3126
		3127	warn "begin emergency database checkpoint\n";
		3128	BDB::db_env_txn_checkpoint $DB_ENV;
		3129	warn "end emergency database checkpoint\n";
2374	};	3130	};
2375		3131
2376	warn "leave emergency perl save\n";	3132	warn "leave emergency perl save\n";
2377	}	3133	}
2378		3134
		3135	sub post_cleanup {
		3136	my ($make_core) = @_;
		3137
		3138	warn Carp::longmess "post_cleanup backtrace"
		3139	if $make_core;
		3140	}
		3141
2379	sub reload() {	3142	sub do_reload_perl() {
2380	# can/must only be called in main	3143	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3144	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3145	warn "can only reload from main coroutine";
2383	return;	3146	return;
2384	}	3147	}
2385		3148
2386	warn "reloading...";	3149	warn "reloading...";
2387		3150
2388	warn "cancelling server ticker";	3151	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3152
		3153	cf::sync_job {
		3154	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3155	cf::emergency_save;
		3156	cf::write_runtime; # external watchdog should not bark
2392		3157
2393	eval {	3158	warn "syncing database to disk";
		3159	BDB::db_env_txn_checkpoint $DB_ENV;
		3160
2394	# if anything goes wrong in here, we should simply crash as we already saved	3161	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3162
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3163	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3164	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3165	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3166	}
2403		3167
2404	warn "flushing outstanding aio requests";	3168	warn "flushing outstanding aio requests";
2405	for (;;) {	3169	for (;;) {
		3170	BDB::flush;
2406	IO::AIO::flush;	3171	IO::AIO::flush;
2407	Coro::cede;	3172	Coro::cede;
2408	last unless IO::AIO::nreqs;	3173	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3174	warn "iterate...";
2410	}	3175	}
		3176
		3177	++$RELOAD;
2411		3178
2412	warn "cancelling all extension coros";	3179	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3180	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3181	%EXT_CORO = ();
2415		3182
2416	warn "removing commands";	3183	warn "removing commands";
2417	%COMMAND = ();	3184	%COMMAND = ();
2418		3185
2419	warn "removing ext commands";	3186	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3187	%EXTCMD = ();
		3188	%EXTICMD = ();
2421		3189
2422	warn "unloading/nuking all extensions";	3190	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3191	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3192	warn "... unloading $pkg";
2425		3193
…		…
2455	Symbol::delete_package "safe::$_"	3223	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3224	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3225
2458	warn "unloading cf.pm \"a bit\"";	3226	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3227	delete $INC{"cf.pm"};
		3228	delete $INC{"cf/pod.pm"};
2460		3229
2461	# don't, removes xs symbols, too,	3230	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3231	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3232	#Symbol::delete_package __PACKAGE__;
2464		3233
…		…
2468	require cf;	3237	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3238	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3239
2471	warn "loading config and database again";	3240	warn "loading config and database again";
2472	cf::cfg_load;	3241	cf::cfg_load;
2473	cf::db_load;
2474		3242
2475	warn "loading extensions";	3243	warn "loading extensions";
2476	cf::load_extensions;	3244	cf::load_extensions;
2477		3245
2478	warn "reattaching attachments to objects/players";	3246	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3247	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3248	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3249	reattach $_ for values %MAP;
		3250	warn "reattaching attachments to players";
		3251	reattach $_ for values %PLAYER;
2482		3252
2483	warn "loading reloadable resources";	3253	warn "leaving sync_job";
2484	load_resources;
2485		3254
2486	warn "restarting server ticker";	3255	1
2487		3256	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3257	warn $@;
2493	warn "error while reloading, exiting.";	3258	warn "error while reloading, exiting.";
2494	exit 1;	3259	exit 1;
2495	}	3260	};
2496		3261
2497	warn "reloaded";	3262	warn "reloaded";
2498	};	3263	};
2499		3264
2500	our $RELOAD_WATCHER; # used only during reload	3265	our $RELOAD_WATCHER; # used only during reload
2501		3266
		3267	sub reload_perl() {
		3268	# doing reload synchronously and two reloads happen back-to-back,
		3269	# coro crashes during coro_state_free->destroy here.
		3270
		3271	$RELOAD_WATCHER ||= Event->timer (
		3272	reentrant => 0,
		3273	after => 0,
		3274	data => WF_AUTOCANCEL,
		3275	cb => sub {
		3276	do_reload_perl;
		3277	undef $RELOAD_WATCHER;
		3278	},
		3279	);
		3280	}
		3281
2502	register_command "reload" => sub {	3282	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3283	my ($who, $arg) = @_;
2504		3284
2505	if ($who->flag (FLAG_WIZ)) {	3285	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3286	$who->message ("reloading server.");
2507		3287	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	3288	}
2521	};	3289	};
2522		3290
2523	unshift @INC, $LIBDIR;	3291	unshift @INC, $LIBDIR;
2524		3292
2525	my $bug_warning = 0;	3293	my $bug_warning = 0;
2526		3294
		3295	our @WAIT_FOR_TICK;
		3296	our @WAIT_FOR_TICK_BEGIN;
		3297
		3298	sub wait_for_tick {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	sub wait_for_tick_begin {
		3308	return unless $TICK_WATCHER->is_active;
		3309	return if $Coro::current == $Coro::main;
		3310
		3311	my $signal = new Coro::Signal;
		3312	push @WAIT_FOR_TICK_BEGIN, $signal;
		3313	$signal->wait;
		3314	}
		3315
		3316	my $min = 1e6;#d#
		3317	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	3318	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3319	reentrant => 0,
2529	parked => 1,	3320	parked => 1,
2530	prio => 0,	3321	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3322	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3327	unless ++$bug_warning > 10;
2537	return;	3328	return;
2538	}	3329	}
2539		3330
2540	$NOW = Event::time;	3331	$NOW = $tick_start = Event::time;
2541		3332
2542	cf::server_tick; # one server iteration	3333	cf::server_tick; # one server iteration
		3334
		3335	0 && sync_job {#d#
		3336	for(1..10) {
		3337	my $t = Event::time;
		3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3339	or die;
		3340
		3341	$map->width (50);
		3342	$map->height (50);
		3343	$map->alloc;
		3344	$map->_load_objects ("/tmp/x.map", 1);
		3345	my $t = Event::time - $t;
		3346
		3347	#next unless $t < 0.0013;#d#
		3348	if ($t < $min) {
		3349	$min = $t;
		3350	}
		3351	$avg = $avg * 0.99 + $t * 0.01;
		3352	}
		3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3354	exit 0;
		3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3356	};
		3357
2543	$RUNTIME += $TICK;	3358	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3359	$NEXT_TICK += $TICK;
2545		3360
2546	$WAIT_FOR_TICK->broadcast;	3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3363	Coro::async_pool {
2549	Event::sweep;	3364	write_runtime
2550	Coro::cede_notself;	3365	or warn "ERROR: unable to write runtime file: $!";
		3366	};
2551		3367	}
		3368
2552	# my $AFTER = Event::time;	3369	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3370	# warn $AFTER - $NOW;#d#
2554		3371
		3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3373	$sig->send;
		3374	}
		3375	while (my $sig = shift @WAIT_FOR_TICK) {
		3376	$sig->send;
		3377	}
		3378
		3379	$NOW = Event::time;
		3380
2555	# if we are delayed by four ticks or more, skip them all	3381	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3383
2558	$TICK_WATCHER->at ($NEXT_TICK);	3384	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3385	$TICK_WATCHER->start;
		3386
		3387	$LOAD = ($NOW - $tick_start) / $TICK;
		3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3389
		3390	_post_tick;
		3391
		3392
2560	},	3393	},
2561	);	3394	);
2562		3395
2563	{	3396	{
2564	BDB::max_poll_time $TICK * 0.1;	3397	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3422
2590	unless ($DB_ENV) {	3423	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3424	$DB_ENV = BDB::db_env_create;
2592		3425
2593	cf::sync_job {	3426	cf::sync_job {
		3427	eval {
2594	BDB::db_env_open	3428	BDB::db_env_open
2595	$DB_ENV,	3429	$DB_ENV,
2596	$BDB_ENV_DIR,	3430	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3431	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3433	0666;
2600		3434
2601	cf::cleanup "$!" if $!;	3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3436
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3437	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2604	$DB_ENV->set_lk_detect;	3438	$DB_ENV->set_lk_detect;
		3439	};
		3440
		3441	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3442	};
2606	}	3443	}
2607	}	3444	}
2608		3445
2609	{	3446	{
…		…
2611		3448
2612	undef $Coro::AIO::WATCHER;	3449	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3450	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3451	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3452	reentrant => 0,
		3453	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3454	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3455	poll => 'r',
2618	prio => 6,	3456	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3457	cb => \&IO::AIO::poll_cb,
2621	);	3458	);
2622	}	3459	}
2623		3460
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3461	my $_log_backtrace;
2625	reentrant => 0,	3462
2626	data => WF_AUTOCANCEL,	3463	sub _log_backtrace {
2627	after => 1,	3464	my ($msg, @addr) = @_;
2628	interval => 10,	3465
2629	prio => 6, # keep it lowest so it acts like a watchdog	3466	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3467
2631	write_runtime	3468	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3469	if ($_log_backtrace < 2) {
		3470	++$_log_backtrace;
		3471	async {
		3472	my @bt = fork_call {
		3473	@addr = map { sprintf "%x", $_ } @addr;
		3474	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3475	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3476	or die "addr2line: $!";
		3477
		3478	my @funcs;
		3479	my @res = <$fh>;
		3480	chomp for @res;
		3481	while (@res) {
		3482	my ($func, $line) = splice @res, 0, 2, ();
		3483	push @funcs, "[$func] $line";
		3484	}
		3485
		3486	@funcs
		3487	};
		3488
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] $_\n" for @bt;
		3491	--$_log_backtrace;
		3492	};
		3493	} else {
		3494	LOG llevInfo, "[ABT] $msg\n";
		3495	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3496	}
2634	);	3497	}
		3498
		3499	# load additional modules
		3500	use cf::pod;
2635		3501
2636	END { cf::emergency_save }	3502	END { cf::emergency_save }
2637		3503
2638	1	3504	1
2639		3505

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