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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC vs.
Revision 1.330 by elmex, Fri Aug 10 10:35:07 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;
27	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		41
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$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
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	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(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	our $NOW;	80	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		82
59	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	89	our $RUNTIME;
66		90
67	our %PLAYER; # all users	91	our %PLAYER; # all users
68	our %MAP; # all maps	92	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		94
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		101
79	binmode STDOUT;	102	binmode STDOUT;
80	binmode STDERR;	103	binmode STDERR;
81		104
82	# read virtual server time, if available	105	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
87	}	110	}
88		111
89	mkdir cf::localdir;	112	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		114
96	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
97		116
98	sub cf::map::normalise;	117	sub cf::map::normalise;
99		118
…		…
110	=item $cf::RUNTIME	129	=item $cf::RUNTIME
111		130
112	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
113	every server tick.	132	every server tick.
114		133
115	=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
116		137
117	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		142
120	=item $cf::NOW	143	=item $cf::NOW
121		144
122	The time of the last (current) server tick.	145	The time of the last (current) server tick.
123		146
124	=item $cf::TICK	147	=item $cf::TICK
125		148
126	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.
127		160
128	=item %cf::CFG	161	=item %cf::CFG
129		162
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	164	from wherever your confdir points to.
132		165
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		167
135	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
136	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
137	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.
138	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.
139		177
140	=back	178	=back
141		179
142	=cut	180	=cut
143		181
144	BEGIN {	182	BEGIN {
145	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	184	my $msg = join "", @_;
147	utf8::encode $msg;
148		185
149	$msg .= "\n"	186	$msg .= "\n"
150	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
151		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
152	LOG llevError, $msg;	192	LOG llevError, $msg;
153	};	193	};
154	}	194	}
155		195
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		203
163	# 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
164	# within the Safe compartment.	205	# within the Safe compartment.
165	for my $pkg (qw(	206	for my $pkg (qw(
166	cf::global cf::attachable	207	cf::global cf::attachable
…		…
174	}	215	}
175		216
176	$Event::DIED = sub {	217	$Event::DIED = sub {
177	warn "error in event callback: @_";	218	warn "error in event callback: @_";
178	};	219	};
		220
		221	#############################################################################
179		222
180	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
181		224
182	=over 4	225	=over 4
183		226
…		…
202	$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;
203	$d	246	$d
204	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
205	}	248	}
206		249
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
210		251
211	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
212		253
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
221		255
222	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
223		257
224	=cut	258	=cut
225		259
226	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
228	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
230		264
231	=item cf::lock_wait $string	265	=item cf::lock_wait $string
232		266
233	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
234		268
…		…
240	returned.	274	returned.
241		275
242	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
243	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
244		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
245	=cut	283	=cut
246		284
247	our %LOCK;	285	our %LOCK;
248		286
249	sub lock_wait($) {	287	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
270	}	308	}
271	}	309	}
272		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
273	sub freeze_mainloop {	317	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
275		319
276	my $guard = Coro::guard {	320	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	322	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
282	$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;
283	}	381	}
284		382
285	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
286		384
287	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		390
293	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
294		392
295	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
296		394
297	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)
298	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
299	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.
300		399
301	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
302	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
303	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
304	fast or be very important.	403	fast or be very important.
…		…
307		406
308	sub sync_job(&) {	407	sub sync_job(&) {
309	my ($job) = @_;	408	my ($job) = @_;
310		409
311	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
312	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
314		415
315	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
327		428
328	while ($busy) {	429	while ($busy) {
329	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
330	}	431	}
331		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
332	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
333	} else {	441	} else {
334	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
335		443
336	$job->()	444	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
356		464
357	$coro	465	$coro
358	}	466	}
359		467
360	sub write_runtime {	468	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		469
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
364	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.
365		474
366	my $value = $cf::RUNTIME + 90 + 10;	475	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		476
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	477	sub _store_scalar {
371	and return;	478	open my $fh, ">", \my $buf
372		479	or die "fork_call: cannot open fh-to-buf in child : $!";
373	# always fsync - this file is important	480	Storable::store_fd $_[0], $fh;
374	aio_fsync $fh
375	and return;
376
377	close $fh	481	close $fh;
378	or return;
379		482
380	aio_rename "$runtime~", $runtime	483	$buf
381	and return;	484	}
382		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;
383	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 });
384	}	655	}
385		656
386	=back	657	=back
387		658
388	=cut	659	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
397		668
398	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>
399	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
400	crossfire+).	671	Crossfire TRT).
401		672
402	=over 4	673	=over 4
403		674
404	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
405		676
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
569		840
570	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		845
575	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	847	my $pkg = shift @arg;
577		848
578	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
608	}	879	}
609		880
610	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
611	} else {	882	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	884	}
614		885
615	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
616	}	887	}
617		888
…		…
619	if (ref $_[0]) {	890	if (ref $_[0]) {
620	_object_attach @_;	891	_object_attach @_;
621	} else {	892	} else {
622	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
623	}	894	}
		895	_recalc_want;
624	};	896	};
625		897
626	# all those should be optimised	898	# all those should be optimised
627	sub cf::attachable::detach {	899	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
632	reattach ($obj);	904	reattach ($obj);
633	} else {	905	} else {
634	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
635	}	907	}
		908	_recalc_want;
636	};	909	};
637		910
638	sub cf::attachable::attached {	911	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
640		913
…		…
655	";	928	";
656	die if $@;	929	die if $@;
657	}	930	}
658		931
659	our $override;	932	our $override;
660	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?
661		934
662	sub override {	935	sub override {
663	$override = 1;	936	$override = 1;
664	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
665	}	938	}
666		939
667	sub do_invoke {	940	sub do_invoke {
668	my $event = shift;	941	my $event = shift;
669	my $callbacks = shift;	942	my $callbacks = shift;
670		943
671	@invoke_results = ();	944	@INVOKE_RESULTS = ();
672		945
673	local $override;	946	local $override;
674		947
675	for (@$callbacks) {	948	for (@$callbacks) {
676	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
693		966
694	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
695		968
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		972
700	=back	973	=back
701		974
702	=cut	975	=cut
703		976
704	#############################################################################	977	#############################################################################
705	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
706		990
707	sub reattach {	991	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	993	my ($obj) = @_;
710		994
…		…
787	}	1071	}
788	} else {	1072	} else {
789	aio_unlink $filename;	1073	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1074	aio_unlink "$filename.pst";
791	}	1075	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1076	}
799	}	1077	}
800		1078
801	sub object_freezer_as_string {	1079	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1080	my ($rdata, $objs) = @_;
…		…
808		1086
809	sub object_thawer_load {	1087	sub object_thawer_load {
810	my ($filename) = @_;	1088	my ($filename) = @_;
811		1089
812	my ($data, $av);	1090	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1091
817	(aio_load $filename, $data) >= 0	1092	(aio_load $filename, $data) >= 0
818	or return;	1093	or return;
819		1094
820	unless (aio_stat "$filename.pst") {	1095	unless (aio_stat "$filename.pst") {
…		…
822	or return;	1097	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1099	}
825		1100
826	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
828	return ($data, $av);	1103	return ($data, $av);
829	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
830		1111
831	#############################################################################	1112	#############################################################################
832	# command handling &c	1113	# command handling &c
833		1114
834	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1129	}
849		1130
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1132
852	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.
853		1138
854	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
855	called.	1140	called.
856		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
857	=cut	1153	=cut
858		1154
859	sub register_extcmd {	1155	sub register_extcmd {
860	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
861		1157
862	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
863	}	1165	}
864		1166
865	cf::player->attach (	1167	cf::player->attach (
866	on_command => sub {	1168	on_command => sub {
867	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1178	cf::override;
877	},	1179	},
878	on_extcmd => sub {	1180	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
880		1182
881	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1184
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
886	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
887	}	1195	if $reply;
888	}	1196	}
889	} else {	1197	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1199	}
892		1200
893	cf::override;	1201	cf::override;
894	},	1202	},
895	);	1203	);
896		1204
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
932	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1210	next unless -r $path;
934	eval {	1211
935	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	$progress = 1;
936	1	1269	}
937	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
938	}	1275	};
939	}	1276	}
940		1277
941	#############################################################################	1278	#############################################################################
942		1279
		1280	=back
		1281
943	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
944		1283
945	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
946		1285
947	=cut	1286	=cut
…		…
959	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
960		1299
961	=cut	1300	=cut
962		1301
963	sub playerdir($) {	1302	sub playerdir($) {
964	cf::localdir	1303	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1305	}
970		1306
971	sub path($) {	1307	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1309
974	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
975	}	1311	}
976		1312
977	sub find_active($) {	1313	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1328	my $login = $_[0];
993		1329
994	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
995		1331
996	$cf::PLAYER{$_[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
997	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
998	or return;	1341	or return;
999	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
1000	}	1343	}
1001	}	1344	}
…		…
1029	$cf::PLAYER{$login} = $self;	1372	$cf::PLAYER{$login} = $self;
1030		1373
1031	$self	1374	$self
1032	}	1375	}
1033		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
1034	=item $pl->quit_character	1387	=item $pl->quit_character
1035		1388
1036	Nukes the player without looking back. If logged in, the connection will	1389	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1390	be destroyed. May block for a long time.
1038		1391
1039	=cut	1392	=cut
1040		1393
1041	sub quit_character {	1394	sub quit_character {
1042	my ($pl) = @_;	1395	my ($pl) = @_;
		1396
		1397	my $name = $pl->ob->name;
1043		1398
1044	$pl->{deny_save} = 1;	1399	$pl->{deny_save} = 1;
1045	$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
1046		1401
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1407	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1408	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1409	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1410	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1433	}
1059		1434
1060	=item cf::player::list_logins	1435	=item cf::player::list_logins
1061		1436
1062	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
1063	while and may block, so not sync_job-capable, ever.	1438	while and may block, so not sync_job-capable, ever.
1064		1439
1065	=cut	1440	=cut
1066		1441
1067	sub list_logins {	1442	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1443	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1444	or return [];
1070		1445
1071	my @logins;	1446	my @logins;
1072		1447
1073	for my $login (@$dirs) {	1448	for my $login (@$dirs) {
…		…
1108	}	1483	}
1109		1484
1110	\@paths	1485	\@paths
1111	}	1486	}
1112		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
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1538	=item $player->ext_reply ($msgid, @msg)
1114		1539
1115	Sends an ext reply to the player.	1540	Sends an ext reply to the player.
1116		1541
1117	=cut	1542	=cut
1118		1543
1119	sub ext_reply($$$%) {	1544	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1545	my ($self, $id, @msg) = @_;
1121		1546
1122	$msg{msgid} = $id;	1547	if ($self->ns->extcmd == 2) {
1123		1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1124	$self->send ("ext " . cf::to_json \%msg);	1549	} elsif ($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	}
1125	}	1554	}
1126		1555
1127	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	$match
		1595	}
1128		1596
1129	=back	1597	=back
1130
1131		1598
1132	=head3 cf::map	1599	=head3 cf::map
1133		1600
1134	=over 4	1601	=over 4
1135		1602
…		…
1190	my ($self, $merge) = @_;	1657	my ($self, $merge) = @_;
1191		1658
1192	# we have to keep some variables in memory intact	1659	# we have to keep some variables in memory intact
1193	local $self->{path};	1660	local $self->{path};
1194	local $self->{load_path};	1661	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1662
1198	$self->SUPER::thawer_merge ($merge);	1663	$self->SUPER::thawer_merge ($merge);
1199	}	1664	}
1200		1665
1201	sub normalise {	1666	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1713	$self->init; # pass $1 etc.
1249	return $self;	1714	return $self;
1250	}	1715	}
1251	}	1716	}
1252		1717
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1718	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1719	()
1255	}	1720	}
1256		1721
1257	sub init {	1722	sub init {
1258	my ($self) = @_;	1723	my ($self) = @_;
…		…
1273		1738
1274	# the original (read-only) location	1739	# the original (read-only) location
1275	sub load_path {	1740	sub load_path {
1276	my ($self) = @_;	1741	my ($self) = @_;
1277		1742
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1743	"$MAPDIR/$self->{path}.map"
1279	}	1744	}
1280		1745
1281	# the temporary/swap location	1746	# the temporary/swap location
1282	sub save_path {	1747	sub save_path {
1283	my ($self) = @_;	1748	my ($self) = @_;
1284		1749
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1751	"$TMPDIR/$path.map"
1287	}	1752	}
1288		1753
1289	# the unique path, undef == no special unique path	1754	# the unique path, undef == no special unique path
1290	sub uniq_path {	1755	sub uniq_path {
1291	my ($self) = @_;	1756	my ($self) = @_;
1292		1757
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1759	"$UNIQUEDIR/$path"
1295	}	1760	}
1296		1761
1297	# and all this just because we cannot iterate over	1762	# and all this just because we cannot iterate over
1298	# all maps in C++...	1763	# all maps in C++...
1299	sub change_all_map_light {	1764	sub change_all_map_light {
…		…
1301		1766
1302	$_->change_map_light ($change)	1767	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1768	for grep $_->outdoor, values %cf::MAP;
1304	}	1769	}
1305		1770
		1771	sub decay_objects {
		1772	my ($self) = @_;
		1773
		1774	return if $self->{deny_reset};
		1775
		1776	$self->do_decay_objects;
		1777	}
		1778
1306	sub unlink_save {	1779	sub unlink_save {
1307	my ($self) = @_;	1780	my ($self) = @_;
1308		1781
1309	utf8::encode (my $save = $self->save_path);	1782	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1783	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1784	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1785	}
1318		1786
1319	sub load_header_from($) {	1787	sub load_header_from($) {
1320	my ($self, $path) = @_;	1788	my ($self, $path) = @_;
1321		1789
…		…
1371	$self->load_header_orig	1839	$self->load_header_orig
1372	or return;	1840	or return;
1373	$self->prepare_orig;	1841	$self->prepare_orig;
1374	}	1842	}
1375		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
1376	1	1850	1
1377	}	1851	}
1378		1852
1379	sub find;	1853	sub find;
1380	sub find {	1854	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1866	$map->{last_save} = $cf::RUNTIME;
1393		1867
1394	$map->load_header	1868	$map->load_header
1395	or return;	1869	or return;
1396		1870
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1872	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1873	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1874	$map->reset;
1401	undef $guard;	1875	undef $guard;
1402	return find $path;	1876	return find $path;
…		…
1413	my ($self) = @_;	1887	my ($self) = @_;
1414		1888
1415	local $self->{deny_reset} = 1; # loading can take a long time	1889	local $self->{deny_reset} = 1; # loading can take a long time
1416		1890
1417	my $path = $self->{path};	1891	my $path = $self->{path};
		1892
		1893	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1894	my $guard = cf::lock_acquire "map_load:$path";
1419		1895
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1897
1422	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1423		1899
1424	$self->alloc;	1900	$self->alloc;
1425		1901
1426	$self->pre_load;	1902	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1903	Coro::cede;
1452	$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;
1453	$self->difficulty ($self->estimate_difficulty)	1922	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1923	unless $self->difficulty;
1455	Coro::cede;	1924	Coro::cede;
		1925
		1926	unless ($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;
1456	$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);
1457	}	1940	}
1458		1941
1459	$self->post_load;	1942	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1943	}
1463		1944
1464	sub customise_for {	1945	sub customise_for {
1465	my ($self, $ob) = @_;	1946	my ($self, $ob) = @_;
1466		1947
1467	return find "~" . $ob->name . "/" . $self->{path}	1948	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1949	if $self->per_player;
		1950
		1951	# return find "?party/" . $ob->name . "/" . $self->{path}
		1952	# if $self->per_party;
1469		1953
1470	$self	1954	$self
1471	}	1955	}
1472		1956
1473	# 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
…		…
1520		2004
1521	undef $MAP_PREFETCH{$path};	2005	undef $MAP_PREFETCH{$path};
1522	$MAP_PREFETCHER ||= cf::async {	2006	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	2007	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2008	for my $path (keys %MAP_PREFETCH) {
1525	my $map = find $path	2009	if (my $map = find $path) {
1526	or next;
1527	$map->load;	2010	$map->load;
		2011	}
1528		2012
1529	delete $MAP_PREFETCH{$path};	2013	delete $MAP_PREFETCH{$path};
1530	}	2014	}
1531	}	2015	}
1532	undef $MAP_PREFETCHER;	2016	undef $MAP_PREFETCHER;
…		…
1584		2068
1585	sub reset_at {	2069	sub reset_at {
1586	my ($self) = @_;	2070	my ($self) = @_;
1587		2071
1588	# TODO: safety, remove and allow resettable per-player maps	2072	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2073	return 1e99 if $self->{deny_reset};
1591		2074
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2075	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2076	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2077
…		…
1605	my ($self) = @_;	2088	my ($self) = @_;
1606		2089
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2090	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2091
1609	return if $self->players;	2092	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2093
1612	warn "resetting map ", $self->path;#d#	2094	warn "resetting map ", $self->path;
1613		2095
1614	$self->in_memory (cf::MAP_SWAPPED);	2096	$self->in_memory (cf::MAP_SWAPPED);
1615		2097
1616	# need to save uniques path	2098	# need to save uniques path
1617	unless ($self->{deny_save}) {	2099	unless ($self->{deny_save}) {
…		…
1649	$cf::MAP{$self->path} = $self;	2131	$cf::MAP{$self->path} = $self;
1650		2132
1651	$self->reset; # polite request, might not happen	2133	$self->reset; # polite request, might not happen
1652	}	2134	}
1653		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
1654	=item cf::map::unique_maps	2172	=item cf::map::unique_maps
1655		2173
1656	Returns an arrayref of paths of all shared maps that have	2174	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2175	instantiated unique items. May block.
1658		2176
1659	=cut	2177	=cut
1660		2178
1661	sub unique_maps() {	2179	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2180	[
1663	or return;	2181	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2182	utf8::decode $_;
1669	next if /\.pst$/;	2183	/\.map$/
1670	next unless /^$PATH_SEP/o;	2184	? normalise $_
1671		2185	: ()
1672	push @paths, cf::map::normalise $_;	2186	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2187	]
1674
1675	\@paths
1676	}	2188	}
1677		2189
1678	package cf;	2190	package cf;
1679		2191
1680	=back	2192	=back
…		…
1726		2238
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2239	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2240
1729	if ($self->{record_replies}) {	2241	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2242	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2243
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2252	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2253	$self->message ($msg, $flags);
		2254	}
1734	}	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 (@_);
1735	}	2266	}
1736		2267
1737	=item $player_object->may ("access")	2268	=item $player_object->may ("access")
1738		2269
1739	Returns wether the given player is authorized to access resource "access"	2270	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2317	$self->deactivate_recursive;
1787		2318
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2319	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2320
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2322	if $self->map && $self->map->{path} ne "{link}";
1792		2323
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2325	}
1795		2326
1796	sub cf::object::player::leave_link {	2327	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2328	my ($self, $map, $x, $y) = @_;
		2329
		2330	return unless $self->contr->active;
1798		2331
1799	my $link_pos = delete $self->{_link_pos};	2332	my $link_pos = delete $self->{_link_pos};
1800		2333
1801	unless ($map) {	2334	unless ($map) {
1802	# restore original map position	2335	# restore original map position
…		…
1820	$map->load;	2353	$map->load;
1821	$map->load_diag;	2354	$map->load_diag;
1822		2355
1823	return unless $self->contr->active;	2356	return unless $self->contr->active;
1824	$self->activate_recursive;	2357	$self->activate_recursive;
		2358
		2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2360	$self->enter_map ($map, $x, $y);
1826	}	2361	}
1827		2362
1828	cf::player->attach (	2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2364
1832	# abort map switching before logout	2365	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2366	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2367	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2368	the new (success) or old (failed) map position. In either case, $done will
1836	};	2369	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2370
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2371	=cut
		2372
		2373	our $GOTOGEN;
1863		2374
1864	sub cf::object::player::goto {	2375	sub cf::object::player::goto {
1865	my ($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;
1866		2380
1867	$self->enter_link;	2381	$self->enter_link;
1868		2382
1869	(async {	2383	(async {
1870	my $map = eval {	2384	my $map = eval {
1871	my $map = cf::map::find $path;	2385	my $map = cf::map::find $path;
		2386
		2387	if ($map) {
1872	$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
1873	$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 $@;
1874	} or	2400	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2401
		2402	if ($gen == $self->{_goto_generation}) {
		2403	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2404	$self->leave_link ($map, $x, $y);
		2405	}
		2406
		2407	$done->() if $done;
1878	})->prio (1);	2408	})->prio (1);
1879	}	2409	}
1880		2410
1881	=item $player_object->enter_exit ($exit_object)	2411	=item $player_object->enter_exit ($exit_object)
1882		2412
…		…
1921		2451
1922	$rmp->{random_seed} ||= $exit->random_seed;	2452	$rmp->{random_seed} ||= $exit->random_seed;
1923		2453
1924	my $data = cf::to_json $rmp;	2454	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2455	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2456	my $meta = "$RANDOMDIR/$md5.meta";
1927		2457
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2459	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2460	undef $fh;
1931	aio_rename "$meta~", $meta;	2461	aio_rename "$meta~", $meta;
…		…
1940		2470
1941	return unless $self->type == cf::PLAYER;	2471	return unless $self->type == cf::PLAYER;
1942		2472
1943	if ($exit->slaying eq "/!") {	2473	if ($exit->slaying eq "/!") {
1944	#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
1945	cf::sync_job { prepare_random_map $exit };	2477	cf::sync_job { prepare_random_map $exit };
1946	}	2478	}
1947		2479
1948	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;
1949	my $hp = $exit->stats->hp;	2481	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2482	my $sp = $exit->stats->sp;
1951		2483
1952	$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);
1953		2489
1954	(async {	2490	(async {
1955	$self->deactivate_recursive; # just to be sure	2491	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2492	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2493	$self->goto ($slaying, $hp, $sp);
1958		2494
1959	1;	2495	1;
1960	}) {	2496	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2497	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "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. "
1963	. "Please report this to the dungeon master!",	2499	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2500	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2501
1966	warn "ERROR in enter_exit: $@";	2502	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2503	$self->leave_link;
1968	}	2504	}
1969	})->prio (1);	2505	})->prio (1);
…		…
1982		2518
1983	sub cf::client::send_drawinfo {	2519	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2520	my ($self, $text, $flags) = @_;
1985		2521
1986	utf8::encode $text;	2522	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2524	}
1989		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	}
1990		2605
1991	=item $success = $client->query ($flags, "text", \&cb)	2606	=item $success = $client->query ($flags, "text", \&cb)
1992		2607
1993	Queues a query to the client, calling the given callback with	2608	Queues a query to the client, calling the given callback with
1994	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>,
1995	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>.
1996		2611
1997	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
1998	reliable at some point in the future.	2613	become reliable at some point in the future.
1999		2614
2000	=cut	2615	=cut
2001		2616
2002	sub cf::client::query {	2617	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2618	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2626	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2627	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2628
2014	$self->send_packet ($self->{query_queue}[0][0])	2629	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2630	if @{ $self->{query_queue} } == 1;
		2631
		2632	1
2016	}	2633	}
2017		2634
2018	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	},
2019	on_reply => sub {	2641	on_reply => sub {
2020	my ($ns, $msg) = @_;	2642	my ($ns, $msg) = @_;
2021		2643
2022	# this weird shuffling is so that direct followup queries	2644	# this weird shuffling is so that direct followup queries
2023	# get handled first	2645	# get handled first
…		…
2035	} else {	2657	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2658	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2659	}
2038	}	2660	}
2039	},	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	},
2040	);	2685	);
2041		2686
2042	=item $client->async (\&cb)	2687	=item $client->async (\&cb)
2043		2688
2044	Create a new coroutine, running the specified callback. The coroutine will	2689	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	2730	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	2731	our $safe_hole = new Safe::Hole;
2087		2732
2088	$SIG{FPE} = 'IGNORE';	2733	$SIG{FPE} = 'IGNORE';
2089		2734
2090	$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	));
2091		2740
2092	# here we export the classes and methods available to script code	2741	# here we export the classes and methods available to script code
2093		2742
2094	=pod	2743	=pod
2095		2744
2096	The following fucntions and emthods are available within a safe environment:	2745	The following functions and methods are available within a safe environment:
2097		2746
2098	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 name archname title slaying race
		2750
2099	cf::object::player player	2751	cf::object::player
2100	cf::player peaceful	2752	player
2101	cf::map trigger	2753
		2754	cf::player
		2755	peaceful
		2756
		2757	cf::map
		2758	trigger
2102		2759
2103	=cut	2760	=cut
2104		2761
2105	for (	2762	for (
2106	["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 name archname title slaying race)],
2107	["cf::object::player" => qw(player)],	2765	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2766	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2767	["cf::map" => qw(trigger)],
2110	) {	2768	) {
2111	no strict 'refs';	2769	no strict 'refs';
…		…
2182	=back	2840	=back
2183		2841
2184	=cut	2842	=cut
2185		2843
2186	#############################################################################	2844	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	2845	# the server's init and main functions
2260		2846
2261	sub load_resources {	2847	sub load_facedata($) {
2262	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"
2263	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;
2264	}	3006	}
2265		3007
2266	sub cfg_load {	3008	sub cfg_load {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3009	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3010	or return;
2269		3011
2270	local $/;	3012	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3013	*CFG = YAML::Syck::Load <$fh>;
2272		3014
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3022	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3023	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3024	};
2283	warn $@ if $@;	3025	warn $@ if $@;
2284	}	3026	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	3027	}
2290		3028
2291	sub main {	3029	sub main {
2292	# we must not ever block the main coroutine	3030	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3031	local $Coro::idle = sub {
…		…
2300	cfg_load;	3038	cfg_load;
2301	db_init;	3039	db_init;
2302	load_extensions;	3040	load_extensions;
2303		3041
2304	$TICK_WATCHER->start;	3042	$TICK_WATCHER->start;
2305	$WRITE_RUNTIME_WATCHER->start;
2306	Event::loop;	3043	Event::loop;
2307	}	3044	}
2308		3045
2309	#############################################################################	3046	#############################################################################
2310	# initialisation and cleanup	3047	# initialisation and cleanup
…		…
2322	},	3059	},
2323	);	3060	);
2324	}	3061	}
2325	}	3062	}
2326		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
2327	sub emergency_save() {	3102	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3103	my $freeze_guard = cf::freeze_mainloop;
2329		3104
2330	warn "enter emergency perl save\n";	3105	warn "enter emergency perl save\n";
2331		3106
…		…
2362		3137
2363	warn Carp::longmess "post_cleanup backtrace"	3138	warn Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3139	if $make_core;
2365	}	3140	}
2366		3141
2367	sub reload() {	3142	sub do_reload_perl() {
2368	# can/must only be called in main	3143	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	3144	if ($Coro::current != $Coro::main) {
2370	warn "can only reload from main coroutine";	3145	warn "can only reload from main coroutine";
2371	return;	3146	return;
2372	}	3147	}
…		…
2374	warn "reloading...";	3149	warn "reloading...";
2375		3150
2376	warn "entering sync_job";	3151	warn "entering sync_job";
2377		3152
2378	cf::sync_job {	3153	cf::sync_job {
2379	cf::write_runtime;	3154	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3155	cf::emergency_save;
2381	cf::write_runtime;	3156	cf::write_runtime; # external watchdog should not bark
2382		3157
2383	warn "syncing database to disk";	3158	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;	3159	BDB::db_env_txn_checkpoint $DB_ENV;
2385		3160
2386	# 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
…		…
2397	Coro::cede;	3172	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3173	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3174	warn "iterate...";
2400	}	3175	}
2401		3176
		3177	++$RELOAD;
		3178
2402	warn "cancelling all extension coros";	3179	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3180	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3181	%EXT_CORO = ();
2405		3182
2406	warn "removing commands";	3183	warn "removing commands";
2407	%COMMAND = ();	3184	%COMMAND = ();
2408		3185
2409	warn "removing ext commands";	3186	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3187	%EXTCMD = ();
		3188	%EXTICMD = ();
2411		3189
2412	warn "unloading/nuking all extensions";	3190	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3191	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3192	warn "... unloading $pkg";
2415		3193
…		…
2445	Symbol::delete_package "safe::$_"	3223	Symbol::delete_package "safe::$_"
2446	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);
2447		3225
2448	warn "unloading cf.pm \"a bit\"";	3226	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3227	delete $INC{"cf.pm"};
		3228	delete $INC{"cf/pod.pm"};
2450		3229
2451	# don't, removes xs symbols, too,	3230	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3231	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3232	#Symbol::delete_package __PACKAGE__;
2454		3233
…		…
2463		3242
2464	warn "loading extensions";	3243	warn "loading extensions";
2465	cf::load_extensions;	3244	cf::load_extensions;
2466		3245
2467	warn "reattaching attachments to objects/players";	3246	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3247	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3248	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3249	reattach $_ for values %MAP;
2471		3250	warn "reattaching attachments to players";
2472	warn "loading reloadable resources";	3251	reattach $_ for values %PLAYER;
2473	load_resources;
2474		3252
2475	warn "leaving sync_job";	3253	warn "leaving sync_job";
2476		3254
2477	1	3255	1
2478	} or do {	3256	} or do {
…		…
2484	warn "reloaded";	3262	warn "reloaded";
2485	};	3263	};
2486		3264
2487	our $RELOAD_WATCHER; # used only during reload	3265	our $RELOAD_WATCHER; # used only during reload
2488		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
2489	register_command "reload" => sub {	3282	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	3283	my ($who, $arg) = @_;
2491		3284
2492	if ($who->flag (FLAG_WIZ)) {	3285	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	3286	$who->message ("reloading server.");
2494		3287	async { reload_perl };
2495	# doing reload synchronously and two reloads happen back-to-back,
2496	# coro crashes during coro_state_free->destroy here.
2497
2498	$RELOAD_WATCHER ||= Event->timer (
2499	reentrant => 0,
2500	after => 0,
2501	data => WF_AUTOCANCEL,
2502	cb => sub {
2503	reload;
2504	undef $RELOAD_WATCHER;
2505	},
2506	);
2507	}	3288	}
2508	};	3289	};
2509		3290
2510	unshift @INC, $LIBDIR;	3291	unshift @INC, $LIBDIR;
2511		3292
2512	my $bug_warning = 0;	3293	my $bug_warning = 0;
2513		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;
2514	$TICK_WATCHER = Event->timer (	3318	$TICK_WATCHER = Event->timer (
2515	reentrant => 0,	3319	reentrant => 0,
2516	parked => 1,	3320	parked => 1,
2517	prio => 0,	3321	prio => 0,
2518	at => $NEXT_TICK || $TICK,	3322	at => $NEXT_TICK || $TICK,
…		…
2522	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"
2523	unless ++$bug_warning > 10;	3327	unless ++$bug_warning > 10;
2524	return;	3328	return;
2525	}	3329	}
2526		3330
2527	$NOW = Event::time;	3331	$NOW = $tick_start = Event::time;
2528		3332
2529	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
2530	$RUNTIME += $TICK;	3358	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;	3359	$NEXT_TICK += $TICK;
2532		3360
2533	$WAIT_FOR_TICK->broadcast;	3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3363	Coro::async_pool {
		3364	write_runtime
		3365	or warn "ERROR: unable to write runtime file: $!";
		3366	};
		3367	}
2535		3368
2536	# my $AFTER = Event::time;	3369	# my $AFTER = Event::time;
2537	# warn $AFTER - $NOW;#d#	3370	# warn $AFTER - $NOW;#d#
2538		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
2539	# 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
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2541		3383
2542	$TICK_WATCHER->at ($NEXT_TICK);	3384	$TICK_WATCHER->at ($NEXT_TICK);
2543	$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
2544	},	3393	},
2545	);	3394	);
2546		3395
2547	{	3396	{
2548	BDB::max_poll_time $TICK * 0.1;	3397	BDB::max_poll_time $TICK * 0.1;
…		…
2576		3425
2577	cf::sync_job {	3426	cf::sync_job {
2578	eval {	3427	eval {
2579	BDB::db_env_open	3428	BDB::db_env_open
2580	$DB_ENV,	3429	$DB_ENV,
2581	$BDB_ENV_DIR,	3430	$BDBDIR,
2582	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
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	3433	0666;
2585		3434
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587		3436
2588	$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);
2589	$DB_ENV->set_lk_detect;	3438	$DB_ENV->set_lk_detect;
2590	};	3439	};
2591		3440
…		…
2599		3448
2600	undef $Coro::AIO::WATCHER;	3449	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	3450	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	3451	$AIO_POLL_WATCHER = Event->io (
2603	reentrant => 0,	3452	reentrant => 0,
		3453	data => WF_AUTOCANCEL,
2604	fd => IO::AIO::poll_fileno,	3454	fd => IO::AIO::poll_fileno,
2605	poll => 'r',	3455	poll => 'r',
2606	prio => 6,	3456	prio => 6,
2607	data => WF_AUTOCANCEL,
2608	cb => \&IO::AIO::poll_cb,	3457	cb => \&IO::AIO::poll_cb,
2609	);	3458	);
2610	}	3459	}
2611		3460
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	3461	my $_log_backtrace;
2613	reentrant => 0,
2614	data => WF_AUTOCANCEL,
2615	parked => 1,
2616	after => 1,
2617	interval => 10,
2618	prio => 6, # keep it lowest so it acts like a watchdog
2619	cb => sub {
2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621		3462
2622	Coro::async_pool {	3463	sub _log_backtrace {
2623	write_runtime	3464	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	3465
		3466	$msg =~ s/\n//;
		3467
		3468	# limit the # of concurrent backtraces
		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;
2625	};	3492	};
		3493	} else {
		3494	LOG llevInfo, "[ABT] $msg\n";
		3495	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3496	}
2627	);	3497	}
		3498
		3499	# load additional modules
		3500	use cf::pod;
2628		3501
2629	END { cf::emergency_save }	3502	END { cf::emergency_save }
2630		3503
2631	1	3504	1
2632		3505

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