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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 2007 UTC vs.
Revision 1.323 by root, Sat Jul 28 12:02:58 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->in_memory (cf::MAP_IN_MEMORY);
1457	}	1927	}
1458		1928
1459	$self->post_load;	1929	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1930	}
1463		1931
1464	sub customise_for {	1932	sub customise_for {
1465	my ($self, $ob) = @_;	1933	my ($self, $ob) = @_;
1466		1934
1467	return find "~" . $ob->name . "/" . $self->{path}	1935	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
1469		1940
1470	$self	1941	$self
1471	}	1942	}
1472		1943
1473	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
…		…
1520		1991
1521	undef $MAP_PREFETCH{$path};	1992	undef $MAP_PREFETCH{$path};
1522	$MAP_PREFETCHER ||= cf::async {	1993	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	1994	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	1995	for my $path (keys %MAP_PREFETCH) {
1525	my $map = find $path	1996	if (my $map = find $path) {
1526	or next;
1527	$map->load;	1997	$map->load;
		1998	}
1528		1999
1529	delete $MAP_PREFETCH{$path};	2000	delete $MAP_PREFETCH{$path};
1530	}	2001	}
1531	}	2002	}
1532	undef $MAP_PREFETCHER;	2003	undef $MAP_PREFETCHER;
…		…
1584		2055
1585	sub reset_at {	2056	sub reset_at {
1586	my ($self) = @_;	2057	my ($self) = @_;
1587		2058
1588	# TODO: safety, remove and allow resettable per-player maps	2059	# 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};	2060	return 1e99 if $self->{deny_reset};
1591		2061
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2064
…		…
1605	my ($self) = @_;	2075	my ($self) = @_;
1606		2076
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2078
1609	return if $self->players;	2079	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2080
1612	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
		2082
		2083	$self->in_memory (cf::MAP_SWAPPED);
		2084
		2085	# need to save uniques path
		2086	unless ($self->{deny_save}) {
		2087	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2088
		2089	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2090	if $uniq;
		2091	}
1613		2092
1614	delete $cf::MAP{$self->path};	2093	delete $cf::MAP{$self->path};
1615		2094
1616	$self->in_memory (cf::MAP_SWAPPED);
1617	$self->clear;	2095	$self->clear;
1618		2096
1619	$_->clear_links_to ($self) for values %cf::MAP;	2097	$_->clear_links_to ($self) for values %cf::MAP;
1620		2098
1621	$self->unlink_save;	2099	$self->unlink_save;
…		…
1640	$cf::MAP{$self->path} = $self;	2118	$cf::MAP{$self->path} = $self;
1641		2119
1642	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
1643	}	2121	}
1644		2122
		2123	=item $maps = cf::map::tmp_maps
		2124
		2125	Returns an arrayref with all map paths of currently instantiated and saved
		2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
		2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
		2140
		2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
		2157	}
		2158
1645	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1646		2160
1647	Returns an arrayref of paths of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2162	instantiated unique items. May block.
1649		2163
1650	=cut	2164	=cut
1651		2165
1652	sub unique_maps() {	2166	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1654	or return;	2168	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2169	utf8::decode $_;
1660	next if /\.pst$/;	2170	/\.map$/
1661	next unless /^$PATH_SEP/o;	2171	? normalise $_
1662		2172	: ()
1663	push @paths, cf::map::normalise $_;	2173	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2174	]
1665
1666	\@paths
1667	}	2175	}
1668		2176
1669	package cf;	2177	package cf;
1670		2178
1671	=back	2179	=back
…		…
1717		2225
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2227
1720	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1722	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1725	}	2242	}
1726	}	2243	}
1727		2244
1728	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1729		2246
…		…
1777	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1778		2295
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2297
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1783		2300
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2302	}
1786		2303
1787	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1789		2308
1790	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1791		2310
1792	unless ($map) {	2311	unless ($map) {
1793	# restore original map position	2312	# restore original map position
…		…
1811	$map->load;	2330	$map->load;
1812	$map->load_diag;	2331	$map->load_diag;
1813		2332
1814	return unless $self->contr->active;	2333	return unless $self->contr->active;
1815	$self->activate_recursive;	2334	$self->activate_recursive;
		2335
		2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1817	}	2338	}
1818		2339
1819	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2341
1823	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1827	};	2346	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2347
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2348	=cut
		2349
		2350	our $GOTOGEN;
1854		2351
1855	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
		2354
		2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2357
1858	$self->enter_link;	2358	$self->enter_link;
1859		2359
1860	(async {	2360	(async {
1861	my $map = eval {	2361	my $map = eval {
1862	my $map = cf::map::find $path;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
		2366	$map = $check->($map) if $check && $map;
		2367	} else {
		2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
		2370
1864	$map	2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2377	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1869	})->prio (1);	2385	})->prio (1);
1870	}	2386	}
1871		2387
1872	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1873		2389
…		…
1912		2428
1913	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1914		2430
1915	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2433	my $meta = "$RANDOMDIR/$md5.meta";
1918		2434
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2437	undef $fh;
1922	aio_rename "$meta~", $meta;	2438	aio_rename "$meta~", $meta;
…		…
1931		2447
1932	return unless $self->type == cf::PLAYER;	2448	return unless $self->type == cf::PLAYER;
1933		2449
1934	if ($exit->slaying eq "/!") {	2450	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job	2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2452	# the problem is that $exit might not survive long enough
		2453	# so it needs to be done right now, right here
1936	cf::sync_job { prepare_random_map $exit };	2454	cf::sync_job { prepare_random_map $exit };
1937	}	2455	}
1938		2456
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;	2458	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;	2459	my $sp = $exit->stats->sp;
1942		2460
1943	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
1944		2466
1945	(async {	2467	(async {
1946	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1947	unless (eval {	2469	unless (eval {
1948	$self->goto ($slaying, $hp, $sp);	2470	$self->goto ($slaying, $hp, $sp);
1949		2471
1950	1;	2472	1;
1951	}) {	2473	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2474	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "I'll try to bring you back to the map you were before. "	2475	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2476	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2477	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2478
1957	warn "ERROR in enter_exit: $@";	2479	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2480	$self->leave_link;
1959	}	2481	}
1960	})->prio (1);	2482	})->prio (1);
…		…
1973		2495
1974	sub cf::client::send_drawinfo {	2496	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2497	my ($self, $text, $flags) = @_;
1976		2498
1977	utf8::encode $text;	2499	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2501	}
1980		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => $channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	# default colour, mask it out
		2533	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2534	if $color & cf::NDI_DEF;
		2535
		2536	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2537	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2538	} else {
		2539	if ($color >= 0) {
		2540	# replace some tags by gcfclient-compatible ones
		2541	for ($msg) {
		2542	1 while
		2543	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2544	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2545	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2546	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2547	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2548	}
		2549
		2550	$color &= cf::NDI_COLOR_MASK;
		2551
		2552	if (0 && $msg =~ /\[/) {
		2553	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2554	} else {
		2555	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2556	$self->send_packet ("drawinfo $color $msg")
		2557	}
		2558	}
		2559	}
		2560	}
		2561
		2562	=item $client->ext_msg ($type, @msg)
		2563
		2564	Sends an ext event to the client.
		2565
		2566	=cut
		2567
		2568	sub cf::client::ext_msg($$@) {
		2569	my ($self, $type, @msg) = @_;
		2570
		2571	my $extcmd = $self->extcmd;
		2572
		2573	if ($extcmd == 2) {
		2574	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2575	} elsif ($extcmd == 1) { # TODO: remove
		2576	push @msg, msgtype => "event_$type";
		2577	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2578	}
		2579	}
1981		2580
1982	=item $success = $client->query ($flags, "text", \&cb)	2581	=item $success = $client->query ($flags, "text", \&cb)
1983		2582
1984	Queues a query to the client, calling the given callback with	2583	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2584	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2585	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2586
1988	Queries can fail, so check the return code. Or don't, as queries will become	2587	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2588	become reliable at some point in the future.
1990		2589
1991	=cut	2590	=cut
1992		2591
1993	sub cf::client::query {	2592	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2593	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2601	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2602	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2603
2005	$self->send_packet ($self->{query_queue}[0][0])	2604	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2605	if @{ $self->{query_queue} } == 1;
		2606
		2607	1
2007	}	2608	}
2008		2609
2009	cf::client->attach (	2610	cf::client->attach (
		2611	on_connect => sub {
		2612	my ($ns) = @_;
		2613
		2614	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2615	},
2010	on_reply => sub {	2616	on_reply => sub {
2011	my ($ns, $msg) = @_;	2617	my ($ns, $msg) = @_;
2012		2618
2013	# this weird shuffling is so that direct followup queries	2619	# this weird shuffling is so that direct followup queries
2014	# get handled first	2620	# get handled first
…		…
2026	} else {	2632	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2633	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2634	}
2029	}	2635	}
2030	},	2636	},
		2637	on_exticmd => sub {
		2638	my ($ns, $buf) = @_;
		2639
		2640	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2641
		2642	if (ref $msg) {
		2643	my ($type, $reply, @payload) =
		2644	"ARRAY" eq ref $msg
		2645	? @$msg
		2646	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2647
		2648	if (my $cb = $EXTICMD{$type}) {
		2649	my @reply = $cb->($ns, @payload);
		2650
		2651	$ns->ext_reply ($reply, @reply)
		2652	if $reply;
		2653	}
		2654	} else {
		2655	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2656	}
		2657
		2658	cf::override;
		2659	},
2031	);	2660	);
2032		2661
2033	=item $client->async (\&cb)	2662	=item $client->async (\&cb)
2034		2663
2035	Create a new coroutine, running the specified callback. The coroutine will	2664	Create a new coroutine, running the specified callback. The coroutine will
…		…
2082		2711
2083	# here we export the classes and methods available to script code	2712	# here we export the classes and methods available to script code
2084		2713
2085	=pod	2714	=pod
2086		2715
2087	The following fucntions and emthods are available within a safe environment:	2716	The following functions and methods are available within a safe environment:
2088		2717
2089	cf::object contr pay_amount pay_player map	2718	cf::object
		2719	contr pay_amount pay_player map x y force_find force_add
		2720	insert remove
		2721
2090	cf::object::player player	2722	cf::object::player
2091	cf::player peaceful	2723	player
2092	cf::map trigger	2724
		2725	cf::player
		2726	peaceful
		2727
		2728	cf::map
		2729	trigger
2093		2730
2094	=cut	2731	=cut
2095		2732
2096	for (	2733	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	2734	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2735	insert remove)],
2098	["cf::object::player" => qw(player)],	2736	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	2737	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	2738	["cf::map" => qw(trigger)],
2101	) {	2739	) {
2102	no strict 'refs';	2740	no strict 'refs';
…		…
2173	=back	2811	=back
2174		2812
2175	=cut	2813	=cut
2176		2814
2177	#############################################################################	2815	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	sub db_load() {
2203	unless ($DB) {
2204	$DB = BDB::db_create $DB_ENV;
2205
2206	cf::sync_job {
2207	eval {
2208	$DB->set_flags (BDB::CHKSUM);
2209
2210	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212	cf::cleanup "db_open(db): $!" if $!;
2213	};
2214	cf::cleanup "db_open(db): $@" if $@;
2215	};
2216
2217	my $path = cf::localdir . "/database.pst";
2218	if (stat $path) {
2219	cf::sync_job {
2220	my $pst = Storable::retrieve $path;
2221
2222	cf::db_put (board => data => $pst->{board});
2223	cf::db_put (guildrules => data => $pst->{guildrules});
2224	cf::db_put (rent => balance => $pst->{rent}{balance});
2225	BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227	unlink $path;
2228	};
2229	}
2230	}
2231	}
2232
2233	sub db_get($$) {
2234	my $key = "$_[0]/$_[1]";
2235
2236	cf::sync_job {
2237	BDB::db_get $DB, undef, $key, my $data;
2238
2239	$! ? ()
2240	: Compress::LZF::sthaw $data
2241	}
2242	}
2243
2244	sub db_put($$$) {
2245	BDB::dbreq_pri 4;
2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2247	}
2248
2249	#############################################################################
2250	# the server's init and main functions	2816	# the server's init and main functions
2251		2817
2252	sub load_resources {	2818	sub load_facedata($) {
2253	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2819	my ($path) = @_;
		2820
		2821	warn "loading facedata from $path\n";
		2822
		2823	my $facedata;
		2824	0 < aio_load $path, $facedata
		2825	or die "$path: $!";
		2826
		2827	$facedata = Coro::Storable::thaw $facedata;
		2828
		2829	$facedata->{version} == 2
		2830	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2831
		2832	{
		2833	my $faces = $facedata->{faceinfo};
		2834
		2835	while (my ($face, $info) = each %$faces) {
		2836	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2837	cf::face::set_visibility $idx, $info->{visibility};
		2838	cf::face::set_magicmap $idx, $info->{magicmap};
		2839	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2840	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2841
		2842	cf::cede_to_tick;
		2843	}
		2844
		2845	while (my ($face, $info) = each %$faces) {
		2846	next unless $info->{smooth};
		2847	my $idx = cf::face::find $face
		2848	or next;
		2849	if (my $smooth = cf::face::find $info->{smooth}) {
		2850	cf::face::set_smooth $idx, $smooth;
		2851	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2852	} else {
		2853	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2854	}
		2855
		2856	cf::cede_to_tick;
		2857	}
		2858	}
		2859
		2860	{
		2861	my $anims = $facedata->{animinfo};
		2862
		2863	while (my ($anim, $info) = each %$anims) {
		2864	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2865	cf::cede_to_tick;
		2866	}
		2867
		2868	cf::anim::invalidate_all; # d'oh
		2869	}
		2870
		2871	{
		2872	# TODO: for gcfclient pleasure, we should give resources
		2873	# that gcfclient doesn't grok a >10000 face index.
		2874	my $res = $facedata->{resource};
		2875	my $enc = JSON::XS->new->utf8->canonical;
		2876
		2877	my $soundconf = delete $res->{"res/sound.conf"};
		2878
		2879	while (my ($name, $info) = each %$res) {
		2880	my $meta = $enc->encode ({
		2881	name => $name,
		2882	%{ $info->{meta} || {} },
		2883	});
		2884
		2885	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2886
		2887	if ($info->{type} & 1) {
		2888	# prepend meta info
		2889
		2890	my $data = pack "(w/a*)*", $meta, $info->{data};
		2891	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2892
		2893	cf::face::set_data $idx, 0, $data, $chk;
		2894	} else {
		2895	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2896	}
		2897
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911
		2912	cf::sound::set $sound->[0] => $face;
		2913	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2914	}
		2915
		2916	#TODO
		2917	}
		2918	}
		2919
		2920	1
		2921	}
		2922
		2923	register_exticmd fx_want => sub {
		2924	my ($ns, $want) = @_;
		2925
		2926	while (my ($k, $v) = each %$want) {
		2927	$ns->fx_want ($k, $v);
		2928	}
		2929	};
		2930
		2931	sub reload_regions {
		2932	load_resource_file "$MAPDIR/regions"
2254	or die "unable to load regions file\n";#d#	2933	or die "unable to load regions file\n";
		2934
		2935	for (cf::region::list) {
		2936	$_->{match} = qr/$_->{match}/
		2937	if exists $_->{match};
		2938	}
		2939	}
		2940
		2941	sub reload_facedata {
		2942	load_facedata "$DATADIR/facedata"
		2943	or die "unable to load facedata\n";
		2944	}
		2945
		2946	sub reload_archetypes {
		2947	load_resource_file "$DATADIR/archetypes"
		2948	or die "unable to load archetypes\n";
		2949	#d# NEED to laod twice to resolve forward references
		2950	# this really needs to be done in an extra post-pass
		2951	# (which needs to be synchronous, so solve it differently)
		2952	load_resource_file "$DATADIR/archetypes"
		2953	or die "unable to load archetypes\n";
		2954	}
		2955
		2956	sub reload_treasures {
		2957	load_resource_file "$DATADIR/treasures"
		2958	or die "unable to load treasurelists\n";
		2959	}
		2960
		2961	sub reload_resources {
		2962	warn "reloading resource files...\n";
		2963
		2964	reload_regions;
		2965	reload_facedata;
		2966	#reload_archetypes;#d#
		2967	reload_archetypes;
		2968	reload_treasures;
		2969
		2970	warn "finished reloading resource files\n";
		2971	}
		2972
		2973	sub init {
		2974	reload_resources;
2255	}	2975	}
2256		2976
2257	sub cfg_load {	2977	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2978	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	2979	or return;
2260		2980
2261	local $/;	2981	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	2982	*CFG = YAML::Syck::Load <$fh>;
2263		2983
…		…
2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2991	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272	and die "WARNING: m(un)lockall failed: $!\n";	2992	and die "WARNING: m(un)lockall failed: $!\n";
2273	};	2993	};
2274	warn $@ if $@;	2994	warn $@ if $@;
2275	}	2995	}
2276	}
2277
2278	sub init {
2279	load_resources;
2280	}	2996	}
2281		2997
2282	sub main {	2998	sub main {
2283	# we must not ever block the main coroutine	2999	# we must not ever block the main coroutine
2284	local $Coro::idle = sub {	3000	local $Coro::idle = sub {
…		…
2287	Event::one_event;	3003	Event::one_event;
2288	})->prio (Coro::PRIO_MAX);	3004	})->prio (Coro::PRIO_MAX);
2289	};	3005	};
2290		3006
2291	cfg_load;	3007	cfg_load;
2292	db_load;	3008	db_init;
2293	load_extensions;	3009	load_extensions;
2294		3010
2295	$TICK_WATCHER->start;	3011	$TICK_WATCHER->start;
2296	Event::loop;	3012	Event::loop;
2297	}	3013	}
…		…
2312	},	3028	},
2313	);	3029	);
2314	}	3030	}
2315	}	3031	}
2316		3032
		3033	sub write_runtime {
		3034	my $runtime = "$LOCALDIR/runtime";
		3035
		3036	# first touch the runtime file to show we are still running:
		3037	# the fsync below can take a very very long time.
		3038
		3039	IO::AIO::aio_utime $runtime, undef, undef;
		3040
		3041	my $guard = cf::lock_acquire "write_runtime";
		3042
		3043	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3044	or return;
		3045
		3046	my $value = $cf::RUNTIME + 90 + 10;
		3047	# 10 is the runtime save interval, for a monotonic clock
		3048	# 60 allows for the watchdog to kill the server.
		3049
		3050	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3051	and return;
		3052
		3053	# always fsync - this file is important
		3054	aio_fsync $fh
		3055	and return;
		3056
		3057	# touch it again to show we are up-to-date
		3058	aio_utime $fh, undef, undef;
		3059
		3060	close $fh
		3061	or return;
		3062
		3063	aio_rename "$runtime~", $runtime
		3064	and return;
		3065
		3066	warn "runtime file written.\n";
		3067
		3068	1
		3069	}
		3070
2317	sub emergency_save() {	3071	sub emergency_save() {
2318	my $freeze_guard = cf::freeze_mainloop;	3072	my $freeze_guard = cf::freeze_mainloop;
2319		3073
2320	warn "enter emergency perl save\n";	3074	warn "enter emergency perl save\n";
2321		3075
…		…
2345	};	3099	};
2346		3100
2347	warn "leave emergency perl save\n";	3101	warn "leave emergency perl save\n";
2348	}	3102	}
2349		3103
		3104	sub post_cleanup {
		3105	my ($make_core) = @_;
		3106
		3107	warn Carp::longmess "post_cleanup backtrace"
		3108	if $make_core;
		3109	}
		3110
2350	sub reload() {	3111	sub do_reload_perl() {
2351	# can/must only be called in main	3112	# can/must only be called in main
2352	if ($Coro::current != $Coro::main) {	3113	if ($Coro::current != $Coro::main) {
2353	warn "can only reload from main coroutine";	3114	warn "can only reload from main coroutine";
2354	return;	3115	return;
2355	}	3116	}
2356		3117
2357	warn "reloading...";	3118	warn "reloading...";
2358		3119
2359	warn "cancelling server ticker";	3120	warn "entering sync_job";
2360	$TICK_WATCHER->cancel;
2361		3121
		3122	cf::sync_job {
		3123	cf::write_runtime; # external watchdog should not bark
2362	cf::emergency_save;	3124	cf::emergency_save;
		3125	cf::write_runtime; # external watchdog should not bark
2363		3126
2364	eval {	3127	warn "syncing database to disk";
		3128	BDB::db_env_txn_checkpoint $DB_ENV;
		3129
2365	# if anything goes wrong in here, we should simply crash as we already saved	3130	# if anything goes wrong in here, we should simply crash as we already saved
2366		3131
2367	warn "cancelling all WF_AUTOCANCEL watchers";	3132	warn "cancelling all WF_AUTOCANCEL watchers";
2368	for (Event::all_watchers) {	3133	for (Event::all_watchers) {
2369	$_->cancel if $_->data & WF_AUTOCANCEL;	3134	$_->cancel if $_->data & WF_AUTOCANCEL;
2370	}	3135	}
2371
2372	warn "syncing database to disk";
2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374		3136
2375	warn "flushing outstanding aio requests";	3137	warn "flushing outstanding aio requests";
2376	for (;;) {	3138	for (;;) {
2377	BDB::flush;	3139	BDB::flush;
2378	IO::AIO::flush;	3140	IO::AIO::flush;
2379	Coro::cede;	3141	Coro::cede;
2380	last unless IO::AIO::nreqs || BDB::nreqs;	3142	last unless IO::AIO::nreqs || BDB::nreqs;
2381	warn "iterate...";	3143	warn "iterate...";
2382	}	3144	}
2383		3145
		3146	++$RELOAD;
		3147
2384	warn "cancelling all extension coros";	3148	warn "cancelling all extension coros";
2385	$_->cancel for values %EXT_CORO;	3149	$_->cancel for values %EXT_CORO;
2386	%EXT_CORO = ();	3150	%EXT_CORO = ();
2387		3151
2388	warn "removing commands";	3152	warn "removing commands";
2389	%COMMAND = ();	3153	%COMMAND = ();
2390		3154
2391	warn "removing ext commands";	3155	warn "removing ext/exti commands";
2392	%EXTCMD = ();	3156	%EXTCMD = ();
		3157	%EXTICMD = ();
2393		3158
2394	warn "unloading/nuking all extensions";	3159	warn "unloading/nuking all extensions";
2395	for my $pkg (@EXTS) {	3160	for my $pkg (@EXTS) {
2396	warn "... unloading $pkg";	3161	warn "... unloading $pkg";
2397		3162
…		…
2427	Symbol::delete_package "safe::$_"	3192	Symbol::delete_package "safe::$_"
2428	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3193	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2429		3194
2430	warn "unloading cf.pm \"a bit\"";	3195	warn "unloading cf.pm \"a bit\"";
2431	delete $INC{"cf.pm"};	3196	delete $INC{"cf.pm"};
		3197	delete $INC{"cf/pod.pm"};
2432		3198
2433	# don't, removes xs symbols, too,	3199	# don't, removes xs symbols, too,
2434	# and global variables created in xs	3200	# and global variables created in xs
2435	#Symbol::delete_package __PACKAGE__;	3201	#Symbol::delete_package __PACKAGE__;
2436		3202
…		…
2440	require cf;	3206	require cf;
2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3207	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2442		3208
2443	warn "loading config and database again";	3209	warn "loading config and database again";
2444	cf::cfg_load;	3210	cf::cfg_load;
2445	cf::db_load;
2446		3211
2447	warn "loading extensions";	3212	warn "loading extensions";
2448	cf::load_extensions;	3213	cf::load_extensions;
2449		3214
2450	warn "reattaching attachments to objects/players";	3215	warn "reattaching attachments to objects/players";
2451	_global_reattach;	3216	_global_reattach; # objects, sockets
2452	warn "reattaching attachments to maps";	3217	warn "reattaching attachments to maps";
2453	reattach $_ for values %MAP;	3218	reattach $_ for values %MAP;
		3219	warn "reattaching attachments to players";
		3220	reattach $_ for values %PLAYER;
2454		3221
2455	warn "loading reloadable resources";	3222	warn "leaving sync_job";
2456	load_resources;
2457		3223
2458	warn "restarting server ticker";	3224	1
2459		3225	} or do {
2460	$TICK_WATCHER->start;
2461	};
2462
2463	if ($@) {
2464	warn $@;	3226	warn $@;
2465	warn "error while reloading, exiting.";	3227	warn "error while reloading, exiting.";
2466	exit 1;	3228	exit 1;
2467	}	3229	};
2468		3230
2469	warn "reloaded";	3231	warn "reloaded";
2470	};	3232	};
2471		3233
2472	our $RELOAD_WATCHER; # used only during reload	3234	our $RELOAD_WATCHER; # used only during reload
2473		3235
		3236	sub reload_perl() {
		3237	# doing reload synchronously and two reloads happen back-to-back,
		3238	# coro crashes during coro_state_free->destroy here.
		3239
		3240	$RELOAD_WATCHER ||= Event->timer (
		3241	reentrant => 0,
		3242	after => 0,
		3243	data => WF_AUTOCANCEL,
		3244	cb => sub {
		3245	do_reload_perl;
		3246	undef $RELOAD_WATCHER;
		3247	},
		3248	);
		3249	}
		3250
2474	register_command "reload" => sub {	3251	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3252	my ($who, $arg) = @_;
2476		3253
2477	if ($who->flag (FLAG_WIZ)) {	3254	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3255	$who->message ("reloading server.");
2479		3256	async { reload_perl };
2480	# doing reload synchronously and two reloads happen back-to-back,
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);
2492	}	3257	}
2493	};	3258	};
2494		3259
2495	unshift @INC, $LIBDIR;	3260	unshift @INC, $LIBDIR;
2496		3261
2497	my $bug_warning = 0;	3262	my $bug_warning = 0;
2498		3263
		3264	our @WAIT_FOR_TICK;
		3265	our @WAIT_FOR_TICK_BEGIN;
		3266
		3267	sub wait_for_tick {
		3268	return unless $TICK_WATCHER->is_active;
		3269	return if $Coro::current == $Coro::main;
		3270
		3271	my $signal = new Coro::Signal;
		3272	push @WAIT_FOR_TICK, $signal;
		3273	$signal->wait;
		3274	}
		3275
		3276	sub wait_for_tick_begin {
		3277	return unless $TICK_WATCHER->is_active;
		3278	return if $Coro::current == $Coro::main;
		3279
		3280	my $signal = new Coro::Signal;
		3281	push @WAIT_FOR_TICK_BEGIN, $signal;
		3282	$signal->wait;
		3283	}
		3284
		3285	my $min = 1e6;#d#
		3286	my $avg = 10;
2499	$TICK_WATCHER = Event->timer (	3287	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3288	reentrant => 0,
2501	parked => 1,	3289	parked => 1,
2502	prio => 0,	3290	prio => 0,
2503	at => $NEXT_TICK || $TICK,	3291	at => $NEXT_TICK || $TICK,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3295	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3296	unless ++$bug_warning > 10;
2509	return;	3297	return;
2510	}	3298	}
2511		3299
2512	$NOW = Event::time;	3300	$NOW = $tick_start = Event::time;
2513		3301
2514	cf::server_tick; # one server iteration	3302	cf::server_tick; # one server iteration
		3303
		3304	0 && sync_job {#d#
		3305	for(1..10) {
		3306	my $t = Event::time;
		3307	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3308	or die;
		3309
		3310	$map->width (50);
		3311	$map->height (50);
		3312	$map->alloc;
		3313	$map->_load_objects ("/tmp/x.map", 1);
		3314	my $t = Event::time - $t;
		3315
		3316	#next unless $t < 0.0013;#d#
		3317	if ($t < $min) {
		3318	$min = $t;
		3319	}
		3320	$avg = $avg * 0.99 + $t * 0.01;
		3321	}
		3322	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3323	exit 0;
		3324	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3325	};
		3326
2515	$RUNTIME += $TICK;	3327	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3328	$NEXT_TICK += $TICK;
2517		3329
2518	$WAIT_FOR_TICK->broadcast;	3330	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3331	$NEXT_RUNTIME_WRITE = $NOW + 10;
2520		3332	Coro::async_pool {
2521	Event::sweep;	3333	write_runtime
2522	Coro::cede_notself;	3334	or warn "ERROR: unable to write runtime file: $!";
		3335	};
2523		3336	}
		3337
2524	# my $AFTER = Event::time;	3338	# my $AFTER = Event::time;
2525	# warn $AFTER - $NOW;#d#	3339	# warn $AFTER - $NOW;#d#
2526		3340
		3341	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3342	$sig->send;
		3343	}
		3344	while (my $sig = shift @WAIT_FOR_TICK) {
		3345	$sig->send;
		3346	}
		3347
		3348	$NOW = Event::time;
		3349
2527	# if we are delayed by four ticks or more, skip them all	3350	# if we are delayed by four ticks or more, skip them all
2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3351	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2529		3352
2530	$TICK_WATCHER->at ($NEXT_TICK);	3353	$TICK_WATCHER->at ($NEXT_TICK);
2531	$TICK_WATCHER->start;	3354	$TICK_WATCHER->start;
		3355
		3356	$LOAD = ($NOW - $tick_start) / $TICK;
		3357	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3358
		3359	_post_tick;
		3360
		3361
2532	},	3362	},
2533	);	3363	);
2534		3364
2535	{	3365	{
2536	BDB::max_poll_time $TICK * 0.1;	3366	BDB::max_poll_time $TICK * 0.1;
…		…
2564		3394
2565	cf::sync_job {	3395	cf::sync_job {
2566	eval {	3396	eval {
2567	BDB::db_env_open	3397	BDB::db_env_open
2568	$DB_ENV,	3398	$DB_ENV,
2569	$BDB_ENV_DIR,	3399	$BDBDIR,
2570	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3400	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3401	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572	0666;	3402	0666;
2573		3403
2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3404	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575		3405
2576	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3406	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2577	$DB_ENV->set_lk_detect;	3407	$DB_ENV->set_lk_detect;
2578	};	3408	};
2579		3409
…		…
2587		3417
2588	undef $Coro::AIO::WATCHER;	3418	undef $Coro::AIO::WATCHER;
2589	IO::AIO::max_poll_time $TICK * 0.1;	3419	IO::AIO::max_poll_time $TICK * 0.1;
2590	$AIO_POLL_WATCHER = Event->io (	3420	$AIO_POLL_WATCHER = Event->io (
2591	reentrant => 0,	3421	reentrant => 0,
		3422	data => WF_AUTOCANCEL,
2592	fd => IO::AIO::poll_fileno,	3423	fd => IO::AIO::poll_fileno,
2593	poll => 'r',	3424	poll => 'r',
2594	prio => 6,	3425	prio => 6,
2595	data => WF_AUTOCANCEL,
2596	cb => \&IO::AIO::poll_cb,	3426	cb => \&IO::AIO::poll_cb,
2597	);	3427	);
2598	}	3428	}
2599		3429
2600	$WRITE_RUNTIME_WATCHER = Event->timer (	3430	my $_log_backtrace;
2601	reentrant => 0,	3431
2602	data => WF_AUTOCANCEL,	3432	sub _log_backtrace {
2603	after => 1,	3433	my ($msg, @addr) = @_;
2604	interval => 10,	3434
2605	prio => 6, # keep it lowest so it acts like a watchdog	3435	$msg =~ s/\n//;
2606	cb => Coro::unblock_sub {	3436
2607	write_runtime	3437	# limit the # of concurrent backtraces
2608	or warn "ERROR: unable to write runtime file: $!";	3438	if ($_log_backtrace < 2) {
		3439	++$_log_backtrace;
		3440	async {
		3441	my @bt = fork_call {
		3442	@addr = map { sprintf "%x", $_ } @addr;
		3443	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3444	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3445	or die "addr2line: $!";
		3446
		3447	my @funcs;
		3448	my @res = <$fh>;
		3449	chomp for @res;
		3450	while (@res) {
		3451	my ($func, $line) = splice @res, 0, 2, ();
		3452	push @funcs, "[$func] $line";
		3453	}
		3454
		3455	@funcs
		3456	};
		3457
		3458	LOG llevInfo, "[ABT] $msg\n";
		3459	LOG llevInfo, "[ABT] $_\n" for @bt;
		3460	--$_log_backtrace;
		3461	};
		3462	} else {
		3463	LOG llevInfo, "[ABT] $msg\n";
		3464	LOG llevInfo, "[ABT] [suppressed]\n";
2609	},	3465	}
2610	);	3466	}
		3467
		3468	# load additional modules
		3469	use cf::pod;
2611		3470
2612	END { cf::emergency_save }	3471	END { cf::emergency_save }
2613		3472
2614	1	3473	1
2615		3474

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