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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 1.327 by root, Wed Aug 1 17:22:51 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} = $pl
1000	}	1343	}
1001	}	1344	}
…		…
1038		1381
1039	=cut	1382	=cut
1040		1383
1041	sub quit_character {	1384	sub quit_character {
1042	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1043		1388
1044	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1390	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1391
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1401	$pl->destroy;
		1402
		1403	my $prefix = qr<^~\Q$name\E/>;
		1404
		1405	# nuke player maps
		1406	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1407
1057	IO::AIO::aio_rmtree $temp;	1408	IO::AIO::aio_rmtree $temp;
		1409	}
		1410
		1411	=item $pl->kick
		1412
		1413	Kicks a player out of the game. This destroys the connection.
		1414
		1415	=cut
		1416
		1417	sub kick {
		1418	my ($pl, $kicker) = @_;
		1419
		1420	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1421	$pl->killer ("kicked");
		1422	$pl->ns->destroy;
1058	}	1423	}
1059		1424
1060	=item cf::player::list_logins	1425	=item cf::player::list_logins
1061		1426
1062	Returns am arrayref of all valid playernames in the system, can take a	1427	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1064		1429
1065	=cut	1430	=cut
1066		1431
1067	sub list_logins {	1432	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1434	or return [];
1070		1435
1071	my @logins;	1436	my @logins;
1072		1437
1073	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1108	}	1473	}
1109		1474
1110	\@paths	1475	\@paths
1111	}	1476	}
1112		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1114		1529
1115	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1116		1531
1117	=cut	1532	=cut
1118		1533
1119	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1121		1536
1122	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1123		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1124	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1125	}	1544	}
1126		1545
1127	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1128		1586
1129	=back	1587	=back
1130
1131		1588
1132	=head3 cf::map	1589	=head3 cf::map
1133		1590
1134	=over 4	1591	=over 4
1135		1592
…		…
1190	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1191		1648
1192	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1193	local $self->{path};	1650	local $self->{path};
1194	local $self->{load_path};	1651	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1652
1198	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1199	}	1654	}
1200		1655
1201	sub normalise {	1656	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1249	return $self;	1704	return $self;
1250	}	1705	}
1251	}	1706	}
1252		1707
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1709	()
1255	}	1710	}
1256		1711
1257	sub init {	1712	sub init {
1258	my ($self) = @_;	1713	my ($self) = @_;
…		…
1273		1728
1274	# the original (read-only) location	1729	# the original (read-only) location
1275	sub load_path {	1730	sub load_path {
1276	my ($self) = @_;	1731	my ($self) = @_;
1277		1732
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1279	}	1734	}
1280		1735
1281	# the temporary/swap location	1736	# the temporary/swap location
1282	sub save_path {	1737	sub save_path {
1283	my ($self) = @_;	1738	my ($self) = @_;
1284		1739
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1287	}	1742	}
1288		1743
1289	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1290	sub uniq_path {	1745	sub uniq_path {
1291	my ($self) = @_;	1746	my ($self) = @_;
1292		1747
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1295	}	1750	}
1296		1751
1297	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1298	# all maps in C++...	1753	# all maps in C++...
1299	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1301		1756
1302	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1304	}	1759	}
1305		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
1306	sub unlink_save {	1769	sub unlink_save {
1307	my ($self) = @_;	1770	my ($self) = @_;
1308		1771
1309	utf8::encode (my $save = $self->save_path);	1772	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1774	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	}	1775	}
1318		1776
1319	sub load_header_from($) {	1777	sub load_header_from($) {
1320	my ($self, $path) = @_;	1778	my ($self, $path) = @_;
1321		1779
…		…
1371	$self->load_header_orig	1829	$self->load_header_orig
1372	or return;	1830	or return;
1373	$self->prepare_orig;	1831	$self->prepare_orig;
1374	}	1832	}
1375		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
		1839
1376	1	1840	1
1377	}	1841	}
1378		1842
1379	sub find;	1843	sub find;
1380	sub find {	1844	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1393		1857
1394	$map->load_header	1858	$map->load_header
1395	or return;	1859	or return;
1396		1860
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1864	$map->reset;
1401	undef $guard;	1865	undef $guard;
1402	return find $path;	1866	return find $path;
…		…
1413	my ($self) = @_;	1877	my ($self) = @_;
1414		1878
1415	local $self->{deny_reset} = 1; # loading can take a long time	1879	local $self->{deny_reset} = 1; # loading can take a long time
1416		1880
1417	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1419		1885
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1887
1422	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1423		1889
1424	$self->alloc;	1890	$self->alloc;
1425		1891
1426	$self->pre_load;	1892	$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;	1893	Coro::cede;
1452	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1913	unless $self->difficulty;
1455	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1456	$self->activate;	1923	$self->activate;
		1924	}
		1925
		1926	$self->{last_save} = $cf::RUNTIME;
		1927	$self->last_access ($cf::RUNTIME);
		1928
		1929	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1930	}
1458		1931
1459	$self->post_load;	1932	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1933	}
1463		1934
1464	sub customise_for {	1935	sub customise_for {
1465	my ($self, $ob) = @_;	1936	my ($self, $ob) = @_;
1466		1937
1467	return find "~" . $ob->name . "/" . $self->{path}	1938	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1939	if $self->per_player;
		1940
		1941	# return find "?party/" . $ob->name . "/" . $self->{path}
		1942	# if $self->per_party;
1469		1943
1470	$self	1944	$self
1471	}	1945	}
1472		1946
1473	# find and load all maps in the 3x3 area around a map	1947	# find and load all maps in the 3x3 area around a map
…		…
1520		1994
1521	undef $MAP_PREFETCH{$path};	1995	undef $MAP_PREFETCH{$path};
1522	$MAP_PREFETCHER ||= cf::async {	1996	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	1997	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	1998	for my $path (keys %MAP_PREFETCH) {
1525	my $map = find $path	1999	if (my $map = find $path) {
1526	or next;
1527	$map->load;	2000	$map->load;
		2001	}
1528		2002
1529	delete $MAP_PREFETCH{$path};	2003	delete $MAP_PREFETCH{$path};
1530	}	2004	}
1531	}	2005	}
1532	undef $MAP_PREFETCHER;	2006	undef $MAP_PREFETCHER;
…		…
1584		2058
1585	sub reset_at {	2059	sub reset_at {
1586	my ($self) = @_;	2060	my ($self) = @_;
1587		2061
1588	# TODO: safety, remove and allow resettable per-player maps	2062	# 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};	2063	return 1e99 if $self->{deny_reset};
1591		2064
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2065	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2066	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2067
…		…
1605	my ($self) = @_;	2078	my ($self) = @_;
1606		2079
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2080	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2081
1609	return if $self->players;	2082	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2083
1612	warn "resetting map ", $self->path;#d#	2084	warn "resetting map ", $self->path;
1613		2085
1614	$self->in_memory (cf::MAP_SWAPPED);	2086	$self->in_memory (cf::MAP_SWAPPED);
1615		2087
1616	# need to save uniques path	2088	# need to save uniques path
1617	unless ($self->{deny_save}) {	2089	unless ($self->{deny_save}) {
…		…
1649	$cf::MAP{$self->path} = $self;	2121	$cf::MAP{$self->path} = $self;
1650		2122
1651	$self->reset; # polite request, might not happen	2123	$self->reset; # polite request, might not happen
1652	}	2124	}
1653		2125
		2126	=item $maps = cf::map::tmp_maps
		2127
		2128	Returns an arrayref with all map paths of currently instantiated and saved
		2129	maps. May block.
		2130
		2131	=cut
		2132
		2133	sub tmp_maps() {
		2134	[
		2135	map {
		2136	utf8::decode $_;
		2137	/\.map$/
		2138	? normalise $_
		2139	: ()
		2140	} @{ aio_readdir $TMPDIR or [] }
		2141	]
		2142	}
		2143
		2144	=item $maps = cf::map::random_maps
		2145
		2146	Returns an arrayref with all map paths of currently instantiated and saved
		2147	random maps. May block.
		2148
		2149	=cut
		2150
		2151	sub random_maps() {
		2152	[
		2153	map {
		2154	utf8::decode $_;
		2155	/\.map$/
		2156	? normalise "?random/$_"
		2157	: ()
		2158	} @{ aio_readdir $RANDOMDIR or [] }
		2159	]
		2160	}
		2161
1654	=item cf::map::unique_maps	2162	=item cf::map::unique_maps
1655		2163
1656	Returns an arrayref of paths of all shared maps that have	2164	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2165	instantiated unique items. May block.
1658		2166
1659	=cut	2167	=cut
1660		2168
1661	sub unique_maps() {	2169	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2170	[
1663	or return;	2171	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2172	utf8::decode $_;
1669	next if /\.pst$/;	2173	/\.map$/
1670	next unless /^$PATH_SEP/o;	2174	? normalise $_
1671		2175	: ()
1672	push @paths, cf::map::normalise $_;	2176	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2177	]
1674
1675	\@paths
1676	}	2178	}
1677		2179
1678	package cf;	2180	package cf;
1679		2181
1680	=back	2182	=back
…		…
1726		2228
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2229	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2230
1729	if ($self->{record_replies}) {	2231	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2232	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2233
1731	} else {	2234	} else {
		2235	my $pl = $self->contr;
		2236
		2237	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2238	my $dialog = $pl->{npc_dialog};
		2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2240
		2241	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2242	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2243	$self->message ($msg, $flags);
		2244	}
1734	}	2245	}
1735	}	2246	}
1736		2247
1737	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1738		2249
…		…
1786	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1787		2298
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2300
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1792		2303
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2305	}
1795		2306
1796	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1798		2311
1799	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1800		2313
1801	unless ($map) {	2314	unless ($map) {
1802	# restore original map position	2315	# restore original map position
…		…
1820	$map->load;	2333	$map->load;
1821	$map->load_diag;	2334	$map->load_diag;
1822		2335
1823	return unless $self->contr->active;	2336	return unless $self->contr->active;
1824	$self->activate_recursive;	2337	$self->activate_recursive;
		2338
		2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1826	}	2341	}
1827		2342
1828	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2344
1832	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1836	};	2349	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2350
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	2351	=cut
		2352
		2353	our $GOTOGEN;
1863		2354
1864	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2360
1867	$self->enter_link;	2361	$self->enter_link;
1868		2362
1869	(async {	2363	(async {
1870	my $map = eval {	2364	my $map = eval {
1871	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
		2369	$map = $check->($map) if $check && $map;
		2370	} else {
		2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
		2373
1873	$map	2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2380	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1878	})->prio (1);	2388	})->prio (1);
1879	}	2389	}
1880		2390
1881	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1882		2392
…		…
1921		2431
1922	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1923		2433
1924	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2436	my $meta = "$RANDOMDIR/$md5.meta";
1927		2437
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2440	undef $fh;
1931	aio_rename "$meta~", $meta;	2441	aio_rename "$meta~", $meta;
…		…
1940		2450
1941	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1942		2452
1943	if ($exit->slaying eq "/!") {	2453	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2457	cf::sync_job { prepare_random_map $exit };
1946	}	2458	}
1947		2459
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2461	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2462	my $sp = $exit->stats->sp;
1951		2463
1952	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1953		2469
1954	(async {	2470	(async {
1955	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2472	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2473	$self->goto ($slaying, $hp, $sp);
1958		2474
1959	1;	2475	1;
1960	}) {	2476	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2481
1966	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2483	$self->leave_link;
1968	}	2484	}
1969	})->prio (1);	2485	})->prio (1);
…		…
1982		2498
1983	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1985		2501
1986	utf8::encode $text;	2502	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2504	}
1989		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	sub cf::client::send_msg {
		2516	my ($self, $channel, $msg, $color, @extra) = @_;
		2517
		2518	$msg = $self->pl->expand_cfpod ($msg);
		2519
		2520	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2521
		2522	if (ref $channel) {
		2523	# send meta info to client, if not yet sent
		2524	unless (exists $self->{channel}{$channel->{id}}) {
		2525	$self->{channel}{$channel->{id}} = $channel;
		2526	$self->ext_msg (channel_info => $channel);
		2527	}
		2528
		2529	$channel = $channel->{id};
		2530	}
		2531
		2532	return unless @extra || length $msg;
		2533
		2534	if ($self->can_msg) {
		2535	# default colour, mask it out
		2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2537	if $color & cf::NDI_DEF;
		2538
		2539	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2541	} else {
		2542	if ($color >= 0) {
		2543	# replace some tags by gcfclient-compatible ones
		2544	for ($msg) {
		2545	1 while
		2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2551	}
		2552
		2553	$color &= cf::NDI_COLOR_MASK;
		2554
		2555	utf8::encode $msg;
		2556
		2557	if (0 && $msg =~ /\[/) {
		2558	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2559	} else {
		2560	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2561	$self->send_packet ("drawinfo $color $msg")
		2562	}
		2563	}
		2564	}
		2565	}
		2566
		2567	=item $client->ext_msg ($type, @msg)
		2568
		2569	Sends an ext event to the client.
		2570
		2571	=cut
		2572
		2573	sub cf::client::ext_msg($$@) {
		2574	my ($self, $type, @msg) = @_;
		2575
		2576	my $extcmd = $self->extcmd;
		2577
		2578	if ($extcmd == 2) {
		2579	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2580	} elsif ($extcmd == 1) { # TODO: remove
		2581	push @msg, msgtype => "event_$type";
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2583	}
		2584	}
1990		2585
1991	=item $success = $client->query ($flags, "text", \&cb)	2586	=item $success = $client->query ($flags, "text", \&cb)
1992		2587
1993	Queues a query to the client, calling the given callback with	2588	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>,	2589	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>.	2590	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2591
1997	Queries can fail, so check the return code. Or don't, as queries will become	2592	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2593	become reliable at some point in the future.
1999		2594
2000	=cut	2595	=cut
2001		2596
2002	sub cf::client::query {	2597	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2598	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2606	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2607	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2608
2014	$self->send_packet ($self->{query_queue}[0][0])	2609	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2610	if @{ $self->{query_queue} } == 1;
		2611
		2612	1
2016	}	2613	}
2017		2614
2018	cf::client->attach (	2615	cf::client->attach (
		2616	on_connect => sub {
		2617	my ($ns) = @_;
		2618
		2619	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2620	},
2019	on_reply => sub {	2621	on_reply => sub {
2020	my ($ns, $msg) = @_;	2622	my ($ns, $msg) = @_;
2021		2623
2022	# this weird shuffling is so that direct followup queries	2624	# this weird shuffling is so that direct followup queries
2023	# get handled first	2625	# get handled first
…		…
2035	} else {	2637	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2638	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2639	}
2038	}	2640	}
2039	},	2641	},
		2642	on_exticmd => sub {
		2643	my ($ns, $buf) = @_;
		2644
		2645	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2646
		2647	if (ref $msg) {
		2648	my ($type, $reply, @payload) =
		2649	"ARRAY" eq ref $msg
		2650	? @$msg
		2651	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2652
		2653	if (my $cb = $EXTICMD{$type}) {
		2654	my @reply = $cb->($ns, @payload);
		2655
		2656	$ns->ext_reply ($reply, @reply)
		2657	if $reply;
		2658	}
		2659	} else {
		2660	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2661	}
		2662
		2663	cf::override;
		2664	},
2040	);	2665	);
2041		2666
2042	=item $client->async (\&cb)	2667	=item $client->async (\&cb)
2043		2668
2044	Create a new coroutine, running the specified callback. The coroutine will	2669	Create a new coroutine, running the specified callback. The coroutine will
…		…
2091		2716
2092	# here we export the classes and methods available to script code	2717	# here we export the classes and methods available to script code
2093		2718
2094	=pod	2719	=pod
2095		2720
2096	The following fucntions and emthods are available within a safe environment:	2721	The following functions and methods are available within a safe environment:
2097		2722
2098	cf::object contr pay_amount pay_player map	2723	cf::object
		2724	contr pay_amount pay_player map x y force_find force_add
		2725	insert remove
		2726
2099	cf::object::player player	2727	cf::object::player
2100	cf::player peaceful	2728	player
2101	cf::map trigger	2729
		2730	cf::player
		2731	peaceful
		2732
		2733	cf::map
		2734	trigger
2102		2735
2103	=cut	2736	=cut
2104		2737
2105	for (	2738	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2739	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2740	insert remove)],
2107	["cf::object::player" => qw(player)],	2741	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2742	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2743	["cf::map" => qw(trigger)],
2110	) {	2744	) {
2111	no strict 'refs';	2745	no strict 'refs';
…		…
2182	=back	2816	=back
2183		2817
2184	=cut	2818	=cut
2185		2819
2186	#############################################################################	2820	#############################################################################
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	2821	# the server's init and main functions
2260		2822
2261	sub load_resources {	2823	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2824	my ($path) = @_;
		2825
		2826	warn "loading facedata from $path\n";
		2827
		2828	my $facedata;
		2829	0 < aio_load $path, $facedata
		2830	or die "$path: $!";
		2831
		2832	$facedata = Coro::Storable::thaw $facedata;
		2833
		2834	$facedata->{version} == 2
		2835	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2836
		2837	{
		2838	my $faces = $facedata->{faceinfo};
		2839
		2840	while (my ($face, $info) = each %$faces) {
		2841	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2842	cf::face::set_visibility $idx, $info->{visibility};
		2843	cf::face::set_magicmap $idx, $info->{magicmap};
		2844	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2845	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2846
		2847	cf::cede_to_tick;
		2848	}
		2849
		2850	while (my ($face, $info) = each %$faces) {
		2851	next unless $info->{smooth};
		2852	my $idx = cf::face::find $face
		2853	or next;
		2854	if (my $smooth = cf::face::find $info->{smooth}) {
		2855	cf::face::set_smooth $idx, $smooth;
		2856	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2857	} else {
		2858	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2859	}
		2860
		2861	cf::cede_to_tick;
		2862	}
		2863	}
		2864
		2865	{
		2866	my $anims = $facedata->{animinfo};
		2867
		2868	while (my ($anim, $info) = each %$anims) {
		2869	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2870	cf::cede_to_tick;
		2871	}
		2872
		2873	cf::anim::invalidate_all; # d'oh
		2874	}
		2875
		2876	{
		2877	# TODO: for gcfclient pleasure, we should give resources
		2878	# that gcfclient doesn't grok a >10000 face index.
		2879	my $res = $facedata->{resource};
		2880	my $enc = JSON::XS->new->utf8->canonical;
		2881
		2882	my $soundconf = delete $res->{"res/sound.conf"};
		2883
		2884	while (my ($name, $info) = each %$res) {
		2885	my $meta = $enc->encode ({
		2886	name => $name,
		2887	%{ $info->{meta} || {} },
		2888	});
		2889
		2890	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2891
		2892	if ($info->{type} & 1) {
		2893	# prepend meta info
		2894
		2895	my $data = pack "(w/a*)*", $meta, $info->{data};
		2896	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2897
		2898	cf::face::set_data $idx, 0, $data, $chk;
		2899	} else {
		2900	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2901	}
		2902
		2903	cf::face::set_type $idx, $info->{type};
		2904
		2905	cf::cede_to_tick;
		2906	}
		2907
		2908	if ($soundconf) {
		2909	$soundconf = $enc->decode (delete $soundconf->{data});
		2910
		2911	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2912	my $sound = $soundconf->{compat}[$_]
		2913	or next;
		2914
		2915	my $face = cf::face::find "sound/$sound->[1]";
		2916	cf::sound::set $sound->[0] => $face;
		2917	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2918	}
		2919
		2920	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2921	my $face = cf::face::find "sound/$v";
		2922	cf::sound::set $k => $face;
		2923	}
		2924	}
		2925	}
		2926
		2927	1
		2928	}
		2929
		2930	register_exticmd fx_want => sub {
		2931	my ($ns, $want) = @_;
		2932
		2933	while (my ($k, $v) = each %$want) {
		2934	$ns->fx_want ($k, $v);
		2935	}
		2936	};
		2937
		2938	sub reload_regions {
		2939	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	2940	or die "unable to load regions file\n";
		2941
		2942	for (cf::region::list) {
		2943	$_->{match} = qr/$_->{match}/
		2944	if exists $_->{match};
		2945	}
		2946	}
		2947
		2948	sub reload_facedata {
		2949	load_facedata "$DATADIR/facedata"
		2950	or die "unable to load facedata\n";
		2951	}
		2952
		2953	sub reload_archetypes {
		2954	load_resource_file "$DATADIR/archetypes"
		2955	or die "unable to load archetypes\n";
		2956	#d# NEED to laod twice to resolve forward references
		2957	# this really needs to be done in an extra post-pass
		2958	# (which needs to be synchronous, so solve it differently)
		2959	load_resource_file "$DATADIR/archetypes"
		2960	or die "unable to load archetypes\n";
		2961	}
		2962
		2963	sub reload_treasures {
		2964	load_resource_file "$DATADIR/treasures"
		2965	or die "unable to load treasurelists\n";
		2966	}
		2967
		2968	sub reload_resources {
		2969	warn "reloading resource files...\n";
		2970
		2971	reload_regions;
		2972	reload_facedata;
		2973	#reload_archetypes;#d#
		2974	reload_archetypes;
		2975	reload_treasures;
		2976
		2977	warn "finished reloading resource files\n";
		2978	}
		2979
		2980	sub init {
		2981	reload_resources;
2264	}	2982	}
2265		2983
2266	sub cfg_load {	2984	sub cfg_load {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	2985	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	2986	or return;
2269		2987
2270	local $/;	2988	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	2989	*CFG = YAML::Syck::Load <$fh>;
2272		2990
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2998	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	2999	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3000	};
2283	warn $@ if $@;	3001	warn $@ if $@;
2284	}	3002	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	3003	}
2290		3004
2291	sub main {	3005	sub main {
2292	# we must not ever block the main coroutine	3006	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3007	local $Coro::idle = sub {
…		…
2300	cfg_load;	3014	cfg_load;
2301	db_init;	3015	db_init;
2302	load_extensions;	3016	load_extensions;
2303		3017
2304	$TICK_WATCHER->start;	3018	$TICK_WATCHER->start;
2305	$WRITE_RUNTIME_WATCHER->start;
2306	Event::loop;	3019	Event::loop;
2307	}	3020	}
2308		3021
2309	#############################################################################	3022	#############################################################################
2310	# initialisation and cleanup	3023	# initialisation and cleanup
…		…
2322	},	3035	},
2323	);	3036	);
2324	}	3037	}
2325	}	3038	}
2326		3039
		3040	sub write_runtime {
		3041	my $runtime = "$LOCALDIR/runtime";
		3042
		3043	# first touch the runtime file to show we are still running:
		3044	# the fsync below can take a very very long time.
		3045
		3046	IO::AIO::aio_utime $runtime, undef, undef;
		3047
		3048	my $guard = cf::lock_acquire "write_runtime";
		3049
		3050	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3051	or return;
		3052
		3053	my $value = $cf::RUNTIME + 90 + 10;
		3054	# 10 is the runtime save interval, for a monotonic clock
		3055	# 60 allows for the watchdog to kill the server.
		3056
		3057	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3058	and return;
		3059
		3060	# always fsync - this file is important
		3061	aio_fsync $fh
		3062	and return;
		3063
		3064	# touch it again to show we are up-to-date
		3065	aio_utime $fh, undef, undef;
		3066
		3067	close $fh
		3068	or return;
		3069
		3070	aio_rename "$runtime~", $runtime
		3071	and return;
		3072
		3073	warn "runtime file written.\n";
		3074
		3075	1
		3076	}
		3077
2327	sub emergency_save() {	3078	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3079	my $freeze_guard = cf::freeze_mainloop;
2329		3080
2330	warn "enter emergency perl save\n";	3081	warn "enter emergency perl save\n";
2331		3082
…		…
2362		3113
2363	warn Carp::longmess "post_cleanup backtrace"	3114	warn Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3115	if $make_core;
2365	}	3116	}
2366		3117
2367	sub reload() {	3118	sub do_reload_perl() {
2368	# can/must only be called in main	3119	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	3120	if ($Coro::current != $Coro::main) {
2370	warn "can only reload from main coroutine";	3121	warn "can only reload from main coroutine";
2371	return;	3122	return;
2372	}	3123	}
…		…
2374	warn "reloading...";	3125	warn "reloading...";
2375		3126
2376	warn "entering sync_job";	3127	warn "entering sync_job";
2377		3128
2378	cf::sync_job {	3129	cf::sync_job {
2379	cf::write_runtime;	3130	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3131	cf::emergency_save;
2381	cf::write_runtime;	3132	cf::write_runtime; # external watchdog should not bark
2382		3133
2383	warn "syncing database to disk";	3134	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;	3135	BDB::db_env_txn_checkpoint $DB_ENV;
2385		3136
2386	# if anything goes wrong in here, we should simply crash as we already saved	3137	# if anything goes wrong in here, we should simply crash as we already saved
…		…
2397	Coro::cede;	3148	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3149	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3150	warn "iterate...";
2400	}	3151	}
2401		3152
		3153	++$RELOAD;
		3154
2402	warn "cancelling all extension coros";	3155	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3156	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3157	%EXT_CORO = ();
2405		3158
2406	warn "removing commands";	3159	warn "removing commands";
2407	%COMMAND = ();	3160	%COMMAND = ();
2408		3161
2409	warn "removing ext commands";	3162	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3163	%EXTCMD = ();
		3164	%EXTICMD = ();
2411		3165
2412	warn "unloading/nuking all extensions";	3166	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3167	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3168	warn "... unloading $pkg";
2415		3169
…		…
2445	Symbol::delete_package "safe::$_"	3199	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3200	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3201
2448	warn "unloading cf.pm \"a bit\"";	3202	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3203	delete $INC{"cf.pm"};
		3204	delete $INC{"cf/pod.pm"};
2450		3205
2451	# don't, removes xs symbols, too,	3206	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3207	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3208	#Symbol::delete_package __PACKAGE__;
2454		3209
…		…
2463		3218
2464	warn "loading extensions";	3219	warn "loading extensions";
2465	cf::load_extensions;	3220	cf::load_extensions;
2466		3221
2467	warn "reattaching attachments to objects/players";	3222	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3223	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3224	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3225	reattach $_ for values %MAP;
2471		3226	warn "reattaching attachments to players";
2472	warn "loading reloadable resources";	3227	reattach $_ for values %PLAYER;
2473	load_resources;
2474		3228
2475	warn "leaving sync_job";	3229	warn "leaving sync_job";
2476		3230
2477	1	3231	1
2478	} or do {	3232	} or do {
…		…
2484	warn "reloaded";	3238	warn "reloaded";
2485	};	3239	};
2486		3240
2487	our $RELOAD_WATCHER; # used only during reload	3241	our $RELOAD_WATCHER; # used only during reload
2488		3242
		3243	sub reload_perl() {
		3244	# doing reload synchronously and two reloads happen back-to-back,
		3245	# coro crashes during coro_state_free->destroy here.
		3246
		3247	$RELOAD_WATCHER ||= Event->timer (
		3248	reentrant => 0,
		3249	after => 0,
		3250	data => WF_AUTOCANCEL,
		3251	cb => sub {
		3252	do_reload_perl;
		3253	undef $RELOAD_WATCHER;
		3254	},
		3255	);
		3256	}
		3257
2489	register_command "reload" => sub {	3258	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	3259	my ($who, $arg) = @_;
2491		3260
2492	if ($who->flag (FLAG_WIZ)) {	3261	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	3262	$who->message ("reloading server.");
2494		3263	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	}	3264	}
2508	};	3265	};
2509		3266
2510	unshift @INC, $LIBDIR;	3267	unshift @INC, $LIBDIR;
2511		3268
2512	my $bug_warning = 0;	3269	my $bug_warning = 0;
2513		3270
		3271	our @WAIT_FOR_TICK;
		3272	our @WAIT_FOR_TICK_BEGIN;
		3273
		3274	sub wait_for_tick {
		3275	return unless $TICK_WATCHER->is_active;
		3276	return if $Coro::current == $Coro::main;
		3277
		3278	my $signal = new Coro::Signal;
		3279	push @WAIT_FOR_TICK, $signal;
		3280	$signal->wait;
		3281	}
		3282
		3283	sub wait_for_tick_begin {
		3284	return unless $TICK_WATCHER->is_active;
		3285	return if $Coro::current == $Coro::main;
		3286
		3287	my $signal = new Coro::Signal;
		3288	push @WAIT_FOR_TICK_BEGIN, $signal;
		3289	$signal->wait;
		3290	}
		3291
		3292	my $min = 1e6;#d#
		3293	my $avg = 10;
2514	$TICK_WATCHER = Event->timer (	3294	$TICK_WATCHER = Event->timer (
2515	reentrant => 0,	3295	reentrant => 0,
2516	parked => 1,	3296	parked => 1,
2517	prio => 0,	3297	prio => 0,
2518	at => $NEXT_TICK || $TICK,	3298	at => $NEXT_TICK || $TICK,
…		…
2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3302	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2523	unless ++$bug_warning > 10;	3303	unless ++$bug_warning > 10;
2524	return;	3304	return;
2525	}	3305	}
2526		3306
2527	$NOW = Event::time;	3307	$NOW = $tick_start = Event::time;
2528		3308
2529	cf::server_tick; # one server iteration	3309	cf::server_tick; # one server iteration
		3310
		3311	0 && sync_job {#d#
		3312	for(1..10) {
		3313	my $t = Event::time;
		3314	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3315	or die;
		3316
		3317	$map->width (50);
		3318	$map->height (50);
		3319	$map->alloc;
		3320	$map->_load_objects ("/tmp/x.map", 1);
		3321	my $t = Event::time - $t;
		3322
		3323	#next unless $t < 0.0013;#d#
		3324	if ($t < $min) {
		3325	$min = $t;
		3326	}
		3327	$avg = $avg * 0.99 + $t * 0.01;
		3328	}
		3329	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3330	exit 0;
		3331	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3332	};
		3333
2530	$RUNTIME += $TICK;	3334	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;	3335	$NEXT_TICK += $TICK;
2532		3336
2533	$WAIT_FOR_TICK->broadcast;	3337	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3338	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3339	Coro::async_pool {
		3340	write_runtime
		3341	or warn "ERROR: unable to write runtime file: $!";
		3342	};
		3343	}
2535		3344
2536	# my $AFTER = Event::time;	3345	# my $AFTER = Event::time;
2537	# warn $AFTER - $NOW;#d#	3346	# warn $AFTER - $NOW;#d#
2538		3347
		3348	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3349	$sig->send;
		3350	}
		3351	while (my $sig = shift @WAIT_FOR_TICK) {
		3352	$sig->send;
		3353	}
		3354
		3355	$NOW = Event::time;
		3356
2539	# if we are delayed by four ticks or more, skip them all	3357	# if we are delayed by four ticks or more, skip them all
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3358	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2541		3359
2542	$TICK_WATCHER->at ($NEXT_TICK);	3360	$TICK_WATCHER->at ($NEXT_TICK);
2543	$TICK_WATCHER->start;	3361	$TICK_WATCHER->start;
		3362
		3363	$LOAD = ($NOW - $tick_start) / $TICK;
		3364	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3365
		3366	_post_tick;
		3367
		3368
2544	},	3369	},
2545	);	3370	);
2546		3371
2547	{	3372	{
2548	BDB::max_poll_time $TICK * 0.1;	3373	BDB::max_poll_time $TICK * 0.1;
…		…
2576		3401
2577	cf::sync_job {	3402	cf::sync_job {
2578	eval {	3403	eval {
2579	BDB::db_env_open	3404	BDB::db_env_open
2580	$DB_ENV,	3405	$DB_ENV,
2581	$BDB_ENV_DIR,	3406	$BDBDIR,
2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3407	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3408	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	3409	0666;
2585		3410
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3411	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587		3412
2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3413	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2589	$DB_ENV->set_lk_detect;	3414	$DB_ENV->set_lk_detect;
2590	};	3415	};
2591		3416
…		…
2599		3424
2600	undef $Coro::AIO::WATCHER;	3425	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	3426	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	3427	$AIO_POLL_WATCHER = Event->io (
2603	reentrant => 0,	3428	reentrant => 0,
		3429	data => WF_AUTOCANCEL,
2604	fd => IO::AIO::poll_fileno,	3430	fd => IO::AIO::poll_fileno,
2605	poll => 'r',	3431	poll => 'r',
2606	prio => 6,	3432	prio => 6,
2607	data => WF_AUTOCANCEL,
2608	cb => \&IO::AIO::poll_cb,	3433	cb => \&IO::AIO::poll_cb,
2609	);	3434	);
2610	}	3435	}
2611		3436
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	3437	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		3438
2622	Coro::async_pool {	3439	sub _log_backtrace {
2623	write_runtime	3440	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	3441
		3442	$msg =~ s/\n//;
		3443
		3444	# limit the # of concurrent backtraces
		3445	if ($_log_backtrace < 2) {
		3446	++$_log_backtrace;
		3447	async {
		3448	my @bt = fork_call {
		3449	@addr = map { sprintf "%x", $_ } @addr;
		3450	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3451	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3452	or die "addr2line: $!";
		3453
		3454	my @funcs;
		3455	my @res = <$fh>;
		3456	chomp for @res;
		3457	while (@res) {
		3458	my ($func, $line) = splice @res, 0, 2, ();
		3459	push @funcs, "[$func] $line";
		3460	}
		3461
		3462	@funcs
		3463	};
		3464
		3465	LOG llevInfo, "[ABT] $msg\n";
		3466	LOG llevInfo, "[ABT] $_\n" for @bt;
		3467	--$_log_backtrace;
2625	};	3468	};
		3469	} else {
		3470	LOG llevInfo, "[ABT] $msg\n";
		3471	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3472	}
2627	);	3473	}
		3474
		3475	# load additional modules
		3476	use cf::pod;
2628		3477
2629	END { cf::emergency_save }	3478	END { cf::emergency_save }
2630		3479
2631	1	3480	1
2632		3481

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