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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.330 by elmex, Fri Aug 10 10:35:07 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
28		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		41
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	our $NOW;	80	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		82
59	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	89	our $RUNTIME;
66		90
67	our %PLAYER; # all users	91	our %PLAYER; # all users
68	our %MAP; # all maps	92	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		94
76	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
79	binmode STDOUT;	102	binmode STDOUT;
80	binmode STDERR;	103	binmode STDERR;
81		104
82	# read virtual server time, if available	105	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
87	}	110	}
88		111
89	mkdir cf::localdir;	112	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		114
96	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
97		116
98	sub cf::map::normalise;	117	sub cf::map::normalise;
99		118
…		…
110	=item $cf::RUNTIME	129	=item $cf::RUNTIME
111		130
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	132	every server tick.
114		133
115	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		137
117	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
119		142
120	=item $cf::NOW	143	=item $cf::NOW
121		144
122	The time of the last (current) server tick.	145	The time of the last (current) server tick.
123		146
124	=item $cf::TICK	147	=item $cf::TICK
125		148
126	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
127		160
128	=item %cf::CFG	161	=item %cf::CFG
129		162
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	164	from wherever your confdir points to.
132		165
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		167
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
139		177
140	=back	178	=back
141		179
142	=cut	180	=cut
143		181
144	BEGIN {	182	BEGIN {
145	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	184	my $msg = join "", @_;
147	utf8::encode $msg;
148		185
149	$msg .= "\n"	186	$msg .= "\n"
150	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
151		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
152	LOG llevError, $msg;	192	LOG llevError, $msg;
153	};	193	};
154	}	194	}
155		195
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		203
163	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	205	# within the Safe compartment.
165	for my $pkg (qw(	206	for my $pkg (qw(
166	cf::global cf::attachable	207	cf::global cf::attachable
…		…
174	}	215	}
175		216
176	$Event::DIED = sub {	217	$Event::DIED = sub {
177	warn "error in event callback: @_";	218	warn "error in event callback: @_";
178	};	219	};
		220
		221	#############################################################################
179		222
180	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
181		224
182	=over 4	225	=over 4
183		226
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	246	$d
204	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
205	}	248	}
206		249
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
210		251
211	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
212		253
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
221		255
222	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
223		257
224	=cut	258	=cut
225		259
226	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
228	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
230		264
231	=item cf::lock_wait $string	265	=item cf::lock_wait $string
232		266
233	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
234		268
…		…
240	returned.	274	returned.
241		275
242	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
244		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
245	=cut	283	=cut
246		284
247	our %LOCK;	285	our %LOCK;
248		286
249	sub lock_wait($) {	287	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
270	}	308	}
271	}	309	}
272		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
273	sub freeze_mainloop {	317	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
275		319
276	my $guard = Coro::guard {	320	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	322	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
282	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
283	}	381	}
284		382
285	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
286		384
287	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		390
293	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
294		392
295	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
296		394
297	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
300		399
301	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
304	fast or be very important.	403	fast or be very important.
…		…
307		406
308	sub sync_job(&) {	407	sub sync_job(&) {
309	my ($job) = @_;	408	my ($job) = @_;
310		409
311	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
312	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
314		415
315	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
327		428
328	while ($busy) {	429	while ($busy) {
329	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
330	}	431	}
331		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
332	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
333	} else {	441	} else {
334	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
335		443
336	$job->()	444	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
356		464
357	$coro	465	$coro
358	}	466	}
359		467
360	sub write_runtime {	468	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		469
363	my $runtime = cf::localdir . "/runtime";	470	Executes the given code block with the given arguments in a seperate
		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.
364		474
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
366	or return;
367		476
368	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
369	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
370	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
371		480	Storable::store_fd $_[0], $fh;
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
373	and return;
374
375	# always fsync - this file is important
376	aio_fsync $fh
377	and return;
378
379	close $fh	481	close $fh;
380	or return;
381		482
382	aio_rename "$runtime~", $runtime	483	$buf
383	and return;	484	}
384		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;
385	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 });
386	}	655	}
387		656
388	=back	657	=back
389		658
390	=cut	659	=cut
…		…
397	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")
398	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
399		668
400	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>
401	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
402	crossfire+).	671	Crossfire TRT).
403		672
404	=over 4	673	=over 4
405		674
406	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
407		676
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
571		840
572	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		845
577	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	847	my $pkg = shift @arg;
579		848
580	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
610	}	879	}
611		880
612	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
613	} else {	882	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	884	}
616		885
617	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
618	}	887	}
619		888
…		…
621	if (ref $_[0]) {	890	if (ref $_[0]) {
622	_object_attach @_;	891	_object_attach @_;
623	} else {	892	} else {
624	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
625	}	894	}
		895	_recalc_want;
626	};	896	};
627		897
628	# all those should be optimised	898	# all those should be optimised
629	sub cf::attachable::detach {	899	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
634	reattach ($obj);	904	reattach ($obj);
635	} else {	905	} else {
636	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
637	}	907	}
		908	_recalc_want;
638	};	909	};
639		910
640	sub cf::attachable::attached {	911	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
642		913
…		…
657	";	928	";
658	die if $@;	929	die if $@;
659	}	930	}
660		931
661	our $override;	932	our $override;
662	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?
663		934
664	sub override {	935	sub override {
665	$override = 1;	936	$override = 1;
666	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
667	}	938	}
668		939
669	sub do_invoke {	940	sub do_invoke {
670	my $event = shift;	941	my $event = shift;
671	my $callbacks = shift;	942	my $callbacks = shift;
672		943
673	@invoke_results = ();	944	@INVOKE_RESULTS = ();
674		945
675	local $override;	946	local $override;
676		947
677	for (@$callbacks) {	948	for (@$callbacks) {
678	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
695		966
696	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
697		968
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		972
702	=back	973	=back
703		974
704	=cut	975	=cut
705		976
706	#############################################################################	977	#############################################################################
707	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
708		990
709	sub reattach {	991	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	993	my ($obj) = @_;
712		994
…		…
789	}	1071	}
790	} else {	1072	} else {
791	aio_unlink $filename;	1073	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1074	aio_unlink "$filename.pst";
793	}	1075	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1076	}
801	}	1077	}
802		1078
803	sub object_freezer_as_string {	1079	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1080	my ($rdata, $objs) = @_;
…		…
810		1086
811	sub object_thawer_load {	1087	sub object_thawer_load {
812	my ($filename) = @_;	1088	my ($filename) = @_;
813		1089
814	my ($data, $av);	1090	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1091
819	(aio_load $filename, $data) >= 0	1092	(aio_load $filename, $data) >= 0
820	or return;	1093	or return;
821		1094
822	unless (aio_stat "$filename.pst") {	1095	unless (aio_stat "$filename.pst") {
…		…
824	or return;	1097	or return;
825	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
826	}	1099	}
827		1100
828	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
830	return ($data, $av);	1103	return ($data, $av);
831	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
832		1111
833	#############################################################################	1112	#############################################################################
834	# command handling &c	1113	# command handling &c
835		1114
836	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1129	}
851		1130
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1132
854	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.
855		1138
856	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
857	called.	1140	called.
858		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
859	=cut	1153	=cut
860		1154
861	sub register_extcmd {	1155	sub register_extcmd {
862	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
863		1157
864	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
865	}	1165	}
866		1166
867	cf::player->attach (	1167	cf::player->attach (
868	on_command => sub {	1168	on_command => sub {
869	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1178	cf::override;
879	},	1179	},
880	on_extcmd => sub {	1180	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
882		1182
883	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1184
885	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
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
888	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
889	}	1195	if $reply;
890	}	1196	}
891	} else {	1197	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1199	}
894		1200
895	cf::override;	1201	cf::override;
896	},	1202	},
897	);	1203	);
898		1204
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
934	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1210	next unless -r $path;
936	eval {	1211
937	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	$progress = 1;
938	1	1269	}
939	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
940	}	1275	};
941	}	1276	}
942		1277
943	#############################################################################	1278	#############################################################################
944		1279
		1280	=back
		1281
945	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
946		1283
947	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
948		1285
949	=cut	1286	=cut
…		…
961	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
962		1299
963	=cut	1300	=cut
964		1301
965	sub playerdir($) {	1302	sub playerdir($) {
966	cf::localdir	1303	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1305	}
972		1306
973	sub path($) {	1307	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1309
976	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
977	}	1311	}
978		1312
979	sub find_active($) {	1313	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1328	my $login = $_[0];
995		1329
996	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
997		1331
998	$cf::PLAYER{$_[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
999	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
1000	or return;	1341	or return;
1001	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
1002	}	1343	}
1003	}	1344	}
…		…
1031	$cf::PLAYER{$login} = $self;	1372	$cf::PLAYER{$login} = $self;
1032		1373
1033	$self	1374	$self
1034	}	1375	}
1035		1376
		1377	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1378
		1379	=cut
		1380
		1381	sub send_msg {
		1382	my $ns = shift->ns
		1383	or return;
		1384	$ns->send_msg (@_);
		1385	}
		1386
1036	=item $pl->quit_character	1387	=item $pl->quit_character
1037		1388
1038	Nukes the player without looking back. If logged in, the connection will	1389	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1390	be destroyed. May block for a long time.
1040		1391
1041	=cut	1392	=cut
1042		1393
1043	sub quit_character {	1394	sub quit_character {
1044	my ($pl) = @_;	1395	my ($pl) = @_;
		1396
		1397	my $name = $pl->ob->name;
1045		1398
1046	$pl->{deny_save} = 1;	1399	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1400	$pl->password ("*"); # this should lock out the player until we nuked the dir
1048		1401
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1407	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1408	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1409	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1410	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1411	$pl->destroy;
		1412
		1413	my $prefix = qr<^~\Q$name\E/>;
		1414
		1415	# nuke player maps
		1416	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1417
1059	IO::AIO::aio_rmtree $temp;	1418	IO::AIO::aio_rmtree $temp;
		1419	}
		1420
		1421	=item $pl->kick
		1422
		1423	Kicks a player out of the game. This destroys the connection.
		1424
		1425	=cut
		1426
		1427	sub kick {
		1428	my ($pl, $kicker) = @_;
		1429
		1430	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1431	$pl->killer ("kicked");
		1432	$pl->ns->destroy;
1060	}	1433	}
1061		1434
1062	=item cf::player::list_logins	1435	=item cf::player::list_logins
1063		1436
1064	Returns am arrayref of all valid playernames in the system, can take a	1437	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1438	while and may block, so not sync_job-capable, ever.
1066		1439
1067	=cut	1440	=cut
1068		1441
1069	sub list_logins {	1442	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1443	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1444	or return [];
1072		1445
1073	my @logins;	1446	my @logins;
1074		1447
1075	for my $login (@$dirs) {	1448	for my $login (@$dirs) {
…		…
1110	}	1483	}
1111		1484
1112	\@paths	1485	\@paths
1113	}	1486	}
1114		1487
		1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1489
		1490	Expand crossfire pod fragments into protocol xml.
		1491
		1492	=cut
		1493
		1494	sub expand_cfpod {
		1495	((my $self), (local $_)) = @_;
		1496
		1497	# escape & and <
		1498	s/&/&amp;/g;
		1499	s/(?<![BIUGH])</&lt;/g;
		1500
		1501	# this is buggy, it needs to properly take care of nested <'s
		1502
		1503	1 while
		1504	# replace B<>, I<>, U<> etc.
		1505	s/B<([^\>]*)>/<b>$1<\/b>/
		1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1508	# replace G<male|female> tags
		1509	|| s{G<([^>|]*)\|([^>]*)>}{
		1510	$self->gender ? $2 : $1
		1511	}ge
		1512	# replace H<hint text>
		1513	|| s{H<([^\>]*)>}
		1514	{
		1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1517	"")
		1518	[$self->{hintmode}]
		1519	}ge;
		1520
		1521	# create single paragraphs (very hackish)
		1522	s/(?<=\S)\n(?=\w)/ /g;
		1523
		1524	# compress some whitespace
		1525	s/\s+\n/\n/g; # ws line-ends
		1526	s/\n\n+/\n/g; # double lines
		1527	s/^\n+//; # beginning lines
		1528	s/\n+$//; # ending lines
		1529
		1530	$_
		1531	}
		1532
		1533	sub hintmode {
		1534	$_[0]{hintmode} = $_[1] if @_ > 1;
		1535	$_[0]{hintmode}
		1536	}
		1537
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1538	=item $player->ext_reply ($msgid, @msg)
1116		1539
1117	Sends an ext reply to the player.	1540	Sends an ext reply to the player.
1118		1541
1119	=cut	1542	=cut
1120		1543
1121	sub ext_reply($$$%) {	1544	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1545	my ($self, $id, @msg) = @_;
1123		1546
1124	$msg{msgid} = $id;	1547	if ($self->ns->extcmd == 2) {
1125		1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1126	$self->send ("ext " . cf::to_json \%msg);	1549	} elsif ($self->ns->extcmd == 1) {
		1550	#TODO: version 1, remove
		1551	unshift @msg, msgtype => "reply", msgid => $id;
		1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1553	}
1127	}	1554	}
1128		1555
1129	package cf;	1556	=item $player->ext_msg ($type, @msg)
		1557
		1558	Sends an ext event to the client.
		1559
		1560	=cut
		1561
		1562	sub ext_msg($$@) {
		1563	my ($self, $type, @msg) = @_;
		1564
		1565	$self->ns->ext_msg ($type, @msg);
		1566	}
		1567
		1568	=head3 cf::region
		1569
		1570	=over 4
		1571
		1572	=cut
		1573
		1574	package cf::region;
		1575
		1576	=item cf::region::find_by_path $path
		1577
		1578	Tries to decuce the likely region for a map knowing only its path.
		1579
		1580	=cut
		1581
		1582	sub find_by_path($) {
		1583	my ($path) = @_;
		1584
		1585	my ($match, $specificity);
		1586
		1587	for my $region (list) {
		1588	if ($region->{match} && $path =~ $region->{match}) {
		1589	($match, $specificity) = ($region, $region->specificity)
		1590	if $region->specificity > $specificity;
		1591	}
		1592	}
		1593
		1594	$match
		1595	}
1130		1596
1131	=back	1597	=back
1132
1133		1598
1134	=head3 cf::map	1599	=head3 cf::map
1135		1600
1136	=over 4	1601	=over 4
1137		1602
…		…
1192	my ($self, $merge) = @_;	1657	my ($self, $merge) = @_;
1193		1658
1194	# we have to keep some variables in memory intact	1659	# we have to keep some variables in memory intact
1195	local $self->{path};	1660	local $self->{path};
1196	local $self->{load_path};	1661	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1662
1200	$self->SUPER::thawer_merge ($merge);	1663	$self->SUPER::thawer_merge ($merge);
1201	}	1664	}
1202		1665
1203	sub normalise {	1666	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1713	$self->init; # pass $1 etc.
1251	return $self;	1714	return $self;
1252	}	1715	}
1253	}	1716	}
1254		1717
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1718	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1719	()
1257	}	1720	}
1258		1721
1259	sub init {	1722	sub init {
1260	my ($self) = @_;	1723	my ($self) = @_;
…		…
1275		1738
1276	# the original (read-only) location	1739	# the original (read-only) location
1277	sub load_path {	1740	sub load_path {
1278	my ($self) = @_;	1741	my ($self) = @_;
1279		1742
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1743	"$MAPDIR/$self->{path}.map"
1281	}	1744	}
1282		1745
1283	# the temporary/swap location	1746	# the temporary/swap location
1284	sub save_path {	1747	sub save_path {
1285	my ($self) = @_;	1748	my ($self) = @_;
1286		1749
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1751	"$TMPDIR/$path.map"
1289	}	1752	}
1290		1753
1291	# the unique path, undef == no special unique path	1754	# the unique path, undef == no special unique path
1292	sub uniq_path {	1755	sub uniq_path {
1293	my ($self) = @_;	1756	my ($self) = @_;
1294		1757
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1759	"$UNIQUEDIR/$path"
1297	}	1760	}
1298		1761
1299	# and all this just because we cannot iterate over	1762	# and all this just because we cannot iterate over
1300	# all maps in C++...	1763	# all maps in C++...
1301	sub change_all_map_light {	1764	sub change_all_map_light {
…		…
1303		1766
1304	$_->change_map_light ($change)	1767	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1768	for grep $_->outdoor, values %cf::MAP;
1306	}	1769	}
1307		1770
		1771	sub decay_objects {
		1772	my ($self) = @_;
		1773
		1774	return if $self->{deny_reset};
		1775
		1776	$self->do_decay_objects;
		1777	}
		1778
1308	sub unlink_save {	1779	sub unlink_save {
1309	my ($self) = @_;	1780	my ($self) = @_;
1310		1781
1311	utf8::encode (my $save = $self->save_path);	1782	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1783	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1784	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1785	}
1320		1786
1321	sub load_header_from($) {	1787	sub load_header_from($) {
1322	my ($self, $path) = @_;	1788	my ($self, $path) = @_;
1323		1789
…		…
1373	$self->load_header_orig	1839	$self->load_header_orig
1374	or return;	1840	or return;
1375	$self->prepare_orig;	1841	$self->prepare_orig;
1376	}	1842	}
1377		1843
		1844	$self->{deny_reset} = 1
		1845	if $self->no_reset;
		1846
		1847	$self->default_region (cf::region::find_by_path $self->{path})
		1848	unless $self->default_region;
		1849
1378	1	1850	1
1379	}	1851	}
1380		1852
1381	sub find;	1853	sub find;
1382	sub find {	1854	sub find {
…		…
1394	$map->{last_save} = $cf::RUNTIME;	1866	$map->{last_save} = $cf::RUNTIME;
1395		1867
1396	$map->load_header	1868	$map->load_header
1397	or return;	1869	or return;
1398		1870
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1872	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1873	#$cf::WAIT_FOR_TICK->wait;
1402	$map->reset;	1874	$map->reset;
1403	undef $guard;	1875	undef $guard;
1404	return find $path;	1876	return find $path;
…		…
1415	my ($self) = @_;	1887	my ($self) = @_;
1416		1888
1417	local $self->{deny_reset} = 1; # loading can take a long time	1889	local $self->{deny_reset} = 1; # loading can take a long time
1418		1890
1419	my $path = $self->{path};	1891	my $path = $self->{path};
		1892
		1893	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1894	my $guard = cf::lock_acquire "map_load:$path";
1421		1895
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1423		1897
1424	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1425		1899
1426	$self->alloc;	1900	$self->alloc;
1427		1901
1428	$self->pre_load;	1902	$self->pre_load;
1429
1430	$self->_load_objects ($self->{load_path}, 1)
1431	or return;
1432
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};
1435
1436	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {
1439	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);
1441	}
1442	}
1443
1444	Coro::cede;
1445
1446	# now do the right thing for maps
1447	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;	1903	Coro::cede;
1454	$self->set_darkness_map;	1904
		1905	$self->_load_objects ($self->{load_path}, 1)
		1906	or return;
		1907
		1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1909	if delete $self->{load_original};
		1910
		1911	if (my $uniq = $self->uniq_path) {
		1912	utf8::encode $uniq;
		1913	if (aio_open $uniq, O_RDONLY, 0) {
		1914	$self->clear_unique_items;
		1915	$self->_load_objects ($uniq, 0);
		1916	}
		1917	}
		1918
		1919	Coro::cede;
		1920	# now do the right thing for maps
		1921	$self->link_multipart_objects;
1455	$self->difficulty ($self->estimate_difficulty)	1922	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	1923	unless $self->difficulty;
1457	Coro::cede;	1924	Coro::cede;
		1925
		1926	unless ($self->{deny_activate}) {
		1927	$self->decay_objects;
		1928	$self->fix_auto_apply;
		1929	$self->update_buttons;
		1930	Coro::cede;
		1931	$self->set_darkness_map;
		1932	Coro::cede;
1458	$self->activate;	1933	$self->activate;
		1934	}
		1935
		1936	$self->{last_save} = $cf::RUNTIME;
		1937	$self->last_access ($cf::RUNTIME);
		1938
		1939	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1940	}
1460		1941
1461	$self->post_load;	1942	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	1943	}
1465		1944
1466	sub customise_for {	1945	sub customise_for {
1467	my ($self, $ob) = @_;	1946	my ($self, $ob) = @_;
1468		1947
1469	return find "~" . $ob->name . "/" . $self->{path}	1948	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	1949	if $self->per_player;
		1950
		1951	# return find "?party/" . $ob->name . "/" . $self->{path}
		1952	# if $self->per_party;
1471		1953
1472	$self	1954	$self
1473	}	1955	}
1474		1956
1475	# find and load all maps in the 3x3 area around a map	1957	# find and load all maps in the 3x3 area around a map
…		…
1522		2004
1523	undef $MAP_PREFETCH{$path};	2005	undef $MAP_PREFETCH{$path};
1524	$MAP_PREFETCHER ||= cf::async {	2006	$MAP_PREFETCHER ||= cf::async {
1525	while (%MAP_PREFETCH) {	2007	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2008	for my $path (keys %MAP_PREFETCH) {
1527	my $map = find $path	2009	if (my $map = find $path) {
1528	or next;
1529	$map->load;	2010	$map->load;
		2011	}
1530		2012
1531	delete $MAP_PREFETCH{$path};	2013	delete $MAP_PREFETCH{$path};
1532	}	2014	}
1533	}	2015	}
1534	undef $MAP_PREFETCHER;	2016	undef $MAP_PREFETCHER;
…		…
1586		2068
1587	sub reset_at {	2069	sub reset_at {
1588	my ($self) = @_;	2070	my ($self) = @_;
1589		2071
1590	# TODO: safety, remove and allow resettable per-player maps	2072	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2073	return 1e99 if $self->{deny_reset};
1593		2074
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2075	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2076	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2077
…		…
1607	my ($self) = @_;	2088	my ($self) = @_;
1608		2089
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2090	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2091
1611	return if $self->players;	2092	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2093
1614	warn "resetting map ", $self->path;#d#	2094	warn "resetting map ", $self->path;
1615		2095
1616	$self->in_memory (cf::MAP_SWAPPED);	2096	$self->in_memory (cf::MAP_SWAPPED);
1617		2097
1618	# need to save uniques path	2098	# need to save uniques path
1619	unless ($self->{deny_save}) {	2099	unless ($self->{deny_save}) {
…		…
1651	$cf::MAP{$self->path} = $self;	2131	$cf::MAP{$self->path} = $self;
1652		2132
1653	$self->reset; # polite request, might not happen	2133	$self->reset; # polite request, might not happen
1654	}	2134	}
1655		2135
		2136	=item $maps = cf::map::tmp_maps
		2137
		2138	Returns an arrayref with all map paths of currently instantiated and saved
		2139	maps. May block.
		2140
		2141	=cut
		2142
		2143	sub tmp_maps() {
		2144	[
		2145	map {
		2146	utf8::decode $_;
		2147	/\.map$/
		2148	? normalise $_
		2149	: ()
		2150	} @{ aio_readdir $TMPDIR or [] }
		2151	]
		2152	}
		2153
		2154	=item $maps = cf::map::random_maps
		2155
		2156	Returns an arrayref with all map paths of currently instantiated and saved
		2157	random maps. May block.
		2158
		2159	=cut
		2160
		2161	sub random_maps() {
		2162	[
		2163	map {
		2164	utf8::decode $_;
		2165	/\.map$/
		2166	? normalise "?random/$_"
		2167	: ()
		2168	} @{ aio_readdir $RANDOMDIR or [] }
		2169	]
		2170	}
		2171
1656	=item cf::map::unique_maps	2172	=item cf::map::unique_maps
1657		2173
1658	Returns an arrayref of paths of all shared maps that have	2174	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2175	instantiated unique items. May block.
1660		2176
1661	=cut	2177	=cut
1662		2178
1663	sub unique_maps() {	2179	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2180	[
1665	or return;	2181	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2182	utf8::decode $_;
1671	next if /\.pst$/;	2183	/\.map$/
1672	next unless /^$PATH_SEP/o;	2184	? normalise $_
1673		2185	: ()
1674	push @paths, cf::map::normalise $_;	2186	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2187	]
1676
1677	\@paths
1678	}	2188	}
1679		2189
1680	package cf;	2190	package cf;
1681		2191
1682	=back	2192	=back
…		…
1728		2238
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2239	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2240
1731	if ($self->{record_replies}) {	2241	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2242	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2243
1733	} else {	2244	} else {
		2245	my $pl = $self->contr;
		2246
		2247	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2248	my $dialog = $pl->{npc_dialog};
		2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2250
		2251	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2252	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2253	$self->message ($msg, $flags);
		2254	}
1736	}	2255	}
		2256	}
		2257
		2258	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2259
		2260	=cut
		2261
		2262	sub cf::object::send_msg {
		2263	my $pl = shift->contr
		2264	or return;
		2265	$pl->send_msg (@_);
1737	}	2266	}
1738		2267
1739	=item $player_object->may ("access")	2268	=item $player_object->may ("access")
1740		2269
1741	Returns wether the given player is authorized to access resource "access"	2270	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2317	$self->deactivate_recursive;
1789		2318
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2319	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2320
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2322	if $self->map && $self->map->{path} ne "{link}";
1794		2323
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2325	}
1797		2326
1798	sub cf::object::player::leave_link {	2327	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2328	my ($self, $map, $x, $y) = @_;
		2329
		2330	return unless $self->contr->active;
1800		2331
1801	my $link_pos = delete $self->{_link_pos};	2332	my $link_pos = delete $self->{_link_pos};
1802		2333
1803	unless ($map) {	2334	unless ($map) {
1804	# restore original map position	2335	# restore original map position
…		…
1822	$map->load;	2353	$map->load;
1823	$map->load_diag;	2354	$map->load_diag;
1824		2355
1825	return unless $self->contr->active;	2356	return unless $self->contr->active;
1826	$self->activate_recursive;	2357	$self->activate_recursive;
		2358
		2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2360	$self->enter_map ($map, $x, $y);
1828	}	2361	}
1829		2362
1830	cf::player->attach (	2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2364
1834	# abort map switching before logout	2365	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2366	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2367	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2368	the new (success) or old (failed) map position. In either case, $done will
1838	};	2369	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2370
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2371	=cut
		2372
		2373	our $GOTOGEN;
1865		2374
1866	sub cf::object::player::goto {	2375	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2376	my ($self, $path, $x, $y, $check, $done) = @_;
		2377
		2378	# do generation counting so two concurrent goto's will be executed in-order
		2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2380
1869	$self->enter_link;	2381	$self->enter_link;
1870		2382
1871	(async {	2383	(async {
1872	my $map = eval {	2384	my $map = eval {
1873	my $map = cf::map::find $path;	2385	my $map = cf::map::find $path;
		2386
		2387	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2388	$map = $map->customise_for ($self);
		2389	$map = $check->($map) if $check && $map;
		2390	} else {
		2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2392	}
		2393
1875	$map	2394	$map
		2395	};
		2396
		2397	if ($@) {
		2398	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2399	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2400	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2401
		2402	if ($gen == $self->{_goto_generation}) {
		2403	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2404	$self->leave_link ($map, $x, $y);
		2405	}
		2406
		2407	$done->() if $done;
1880	})->prio (1);	2408	})->prio (1);
1881	}	2409	}
1882		2410
1883	=item $player_object->enter_exit ($exit_object)	2411	=item $player_object->enter_exit ($exit_object)
1884		2412
…		…
1923		2451
1924	$rmp->{random_seed} ||= $exit->random_seed;	2452	$rmp->{random_seed} ||= $exit->random_seed;
1925		2453
1926	my $data = cf::to_json $rmp;	2454	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2455	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2456	my $meta = "$RANDOMDIR/$md5.meta";
1929		2457
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2459	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2460	undef $fh;
1933	aio_rename "$meta~", $meta;	2461	aio_rename "$meta~", $meta;
…		…
1942		2470
1943	return unless $self->type == cf::PLAYER;	2471	return unless $self->type == cf::PLAYER;
1944		2472
1945	if ($exit->slaying eq "/!") {	2473	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2475	# the problem is that $exit might not survive long enough
		2476	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2477	cf::sync_job { prepare_random_map $exit };
1948	}	2478	}
1949		2479
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2481	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2482	my $sp = $exit->stats->sp;
1953		2483
1954	$self->enter_link;	2484	$self->enter_link;
		2485
		2486	# if exit is damned, update players death & WoR home-position
		2487	$self->contr->savebed ($slaying, $hp, $sp)
		2488	if $exit->flag (FLAG_DAMNED);
1955		2489
1956	(async {	2490	(async {
1957	$self->deactivate_recursive; # just to be sure	2491	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2492	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2493	$self->goto ($slaying, $hp, $sp);
1960		2494
1961	1;	2495	1;
1962	}) {	2496	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2497	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2498	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2499	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2500	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2501
1968	warn "ERROR in enter_exit: $@";	2502	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2503	$self->leave_link;
1970	}	2504	}
1971	})->prio (1);	2505	})->prio (1);
…		…
1984		2518
1985	sub cf::client::send_drawinfo {	2519	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2520	my ($self, $text, $flags) = @_;
1987		2521
1988	utf8::encode $text;	2522	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2524	}
1991		2525
		2526	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2527
		2528	Send a drawinfo or msg packet to the client, formatting the msg for the
		2529	client if neccessary. C<$type> should be a string identifying the type of
		2530	the message, with C<log> being the default. If C<$color> is negative, suppress
		2531	the message unless the client supports the msg packet.
		2532
		2533	=cut
		2534
		2535	sub cf::client::send_msg {
		2536	my ($self, $channel, $msg, $color, @extra) = @_;
		2537
		2538	$msg = $self->pl->expand_cfpod ($msg);
		2539
		2540	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2541
		2542	if (ref $channel) {
		2543	# send meta info to client, if not yet sent
		2544	unless (exists $self->{channel}{$channel->{id}}) {
		2545	$self->{channel}{$channel->{id}} = $channel;
		2546	$self->ext_msg (channel_info => $channel);
		2547	}
		2548
		2549	$channel = $channel->{id};
		2550	}
		2551
		2552	return unless @extra || length $msg;
		2553
		2554	if ($self->can_msg) {
		2555	# default colour, mask it out
		2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2557	if $color & cf::NDI_DEF;
		2558
		2559	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2561	} else {
		2562	if ($color >= 0) {
		2563	# replace some tags by gcfclient-compatible ones
		2564	for ($msg) {
		2565	1 while
		2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2571	}
		2572
		2573	$color &= cf::NDI_COLOR_MASK;
		2574
		2575	utf8::encode $msg;
		2576
		2577	if (0 && $msg =~ /\[/) {
		2578	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	my $extcmd = $self->extcmd;
		2597
		2598	if ($extcmd == 2) {
		2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2600	} elsif ($extcmd == 1) { # TODO: remove
		2601	push @msg, msgtype => "event_$type";
		2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2603	}
		2604	}
1992		2605
1993	=item $success = $client->query ($flags, "text", \&cb)	2606	=item $success = $client->query ($flags, "text", \&cb)
1994		2607
1995	Queues a query to the client, calling the given callback with	2608	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2609	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2610	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2611
1999	Queries can fail, so check the return code. Or don't, as queries will become	2612	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2613	become reliable at some point in the future.
2001		2614
2002	=cut	2615	=cut
2003		2616
2004	sub cf::client::query {	2617	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2618	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2626	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2627	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2628
2016	$self->send_packet ($self->{query_queue}[0][0])	2629	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2630	if @{ $self->{query_queue} } == 1;
		2631
		2632	1
2018	}	2633	}
2019		2634
2020	cf::client->attach (	2635	cf::client->attach (
		2636	on_connect => sub {
		2637	my ($ns) = @_;
		2638
		2639	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2640	},
2021	on_reply => sub {	2641	on_reply => sub {
2022	my ($ns, $msg) = @_;	2642	my ($ns, $msg) = @_;
2023		2643
2024	# this weird shuffling is so that direct followup queries	2644	# this weird shuffling is so that direct followup queries
2025	# get handled first	2645	# get handled first
…		…
2037	} else {	2657	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2658	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2659	}
2040	}	2660	}
2041	},	2661	},
		2662	on_exticmd => sub {
		2663	my ($ns, $buf) = @_;
		2664
		2665	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2666
		2667	if (ref $msg) {
		2668	my ($type, $reply, @payload) =
		2669	"ARRAY" eq ref $msg
		2670	? @$msg
		2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2672
		2673	if (my $cb = $EXTICMD{$type}) {
		2674	my @reply = $cb->($ns, @payload);
		2675
		2676	$ns->ext_reply ($reply, @reply)
		2677	if $reply;
		2678	}
		2679	} else {
		2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2681	}
		2682
		2683	cf::override;
		2684	},
2042	);	2685	);
2043		2686
2044	=item $client->async (\&cb)	2687	=item $client->async (\&cb)
2045		2688
2046	Create a new coroutine, running the specified callback. The coroutine will	2689	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2730	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2731	our $safe_hole = new Safe::Hole;
2089		2732
2090	$SIG{FPE} = 'IGNORE';	2733	$SIG{FPE} = 'IGNORE';
2091		2734
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2735	$safe->permit_only (Opcode::opset qw(
		2736	:base_core :base_mem :base_orig :base_math
		2737	grepstart grepwhile mapstart mapwhile
		2738	sort time
		2739	));
2093		2740
2094	# here we export the classes and methods available to script code	2741	# here we export the classes and methods available to script code
2095		2742
2096	=pod	2743	=pod
2097		2744
2098	The following fucntions and emthods are available within a safe environment:	2745	The following functions and methods are available within a safe environment:
2099		2746
2100	cf::object contr pay_amount pay_player map	2747	cf::object
		2748	contr pay_amount pay_player map x y force_find force_add
		2749	insert remove name archname title slaying race
		2750
2101	cf::object::player player	2751	cf::object::player
2102	cf::player peaceful	2752	player
2103	cf::map trigger	2753
		2754	cf::player
		2755	peaceful
		2756
		2757	cf::map
		2758	trigger
2104		2759
2105	=cut	2760	=cut
2106		2761
2107	for (	2762	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2764	insert remove inv name archname title slaying race)],
2109	["cf::object::player" => qw(player)],	2765	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2766	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2767	["cf::map" => qw(trigger)],
2112	) {	2768	) {
2113	no strict 'refs';	2769	no strict 'refs';
…		…
2184	=back	2840	=back
2185		2841
2186	=cut	2842	=cut
2187		2843
2188	#############################################################################	2844	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2845	# the server's init and main functions
2262		2846
2263	sub load_resources {	2847	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2848	my ($path) = @_;
		2849
		2850	warn "loading facedata from $path\n";
		2851
		2852	my $facedata;
		2853	0 < aio_load $path, $facedata
		2854	or die "$path: $!";
		2855
		2856	$facedata = Coro::Storable::thaw $facedata;
		2857
		2858	$facedata->{version} == 2
		2859	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2860
		2861	{
		2862	my $faces = $facedata->{faceinfo};
		2863
		2864	while (my ($face, $info) = each %$faces) {
		2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
		2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2870
		2871	cf::cede_to_tick;
		2872	}
		2873
		2874	while (my ($face, $info) = each %$faces) {
		2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
		2884
		2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904	my $enc = JSON::XS->new->utf8->canonical;
		2905
		2906	my $soundconf = delete $res->{"res/sound.conf"};
		2907
		2908	while (my ($name, $info) = each %$res) {
		2909	my $meta = $enc->encode ({
		2910	name => $name,
		2911	%{ $info->{meta} || {} },
		2912	});
		2913
		2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2915
		2916	if ($info->{type} & 1) {
		2917	# prepend meta info
		2918
		2919	my $data = pack "(w/a*)*", $meta, $info->{data};
		2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2921
		2922	cf::face::set_data $idx, 0, $data, $chk;
		2923	} else {
		2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2925	}
		2926
		2927	cf::face::set_type $idx, $info->{type};
		2928
		2929	cf::cede_to_tick;
		2930	}
		2931
		2932	if ($soundconf) {
		2933	$soundconf = $enc->decode (delete $soundconf->{data});
		2934
		2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2936	my $sound = $soundconf->{compat}[$_]
		2937	or next;
		2938
		2939	my $face = cf::face::find "sound/$sound->[1]";
		2940	cf::sound::set $sound->[0] => $face;
		2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2942	}
		2943
		2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2945	my $face = cf::face::find "sound/$v";
		2946	cf::sound::set $k => $face;
		2947	}
		2948	}
		2949	}
		2950
		2951	1
		2952	}
		2953
		2954	register_exticmd fx_want => sub {
		2955	my ($ns, $want) = @_;
		2956
		2957	while (my ($k, $v) = each %$want) {
		2958	$ns->fx_want ($k, $v);
		2959	}
		2960	};
		2961
		2962	sub reload_regions {
		2963	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	2964	or die "unable to load regions file\n";
		2965
		2966	for (cf::region::list) {
		2967	$_->{match} = qr/$_->{match}/
		2968	if exists $_->{match};
		2969	}
		2970	}
		2971
		2972	sub reload_facedata {
		2973	load_facedata "$DATADIR/facedata"
		2974	or die "unable to load facedata\n";
		2975	}
		2976
		2977	sub reload_archetypes {
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	#d# NEED to laod twice to resolve forward references
		2981	# this really needs to be done in an extra post-pass
		2982	# (which needs to be synchronous, so solve it differently)
		2983	load_resource_file "$DATADIR/archetypes"
		2984	or die "unable to load archetypes\n";
		2985	}
		2986
		2987	sub reload_treasures {
		2988	load_resource_file "$DATADIR/treasures"
		2989	or die "unable to load treasurelists\n";
		2990	}
		2991
		2992	sub reload_resources {
		2993	warn "reloading resource files...\n";
		2994
		2995	reload_regions;
		2996	reload_facedata;
		2997	#reload_archetypes;#d#
		2998	reload_archetypes;
		2999	reload_treasures;
		3000
		3001	warn "finished reloading resource files\n";
		3002	}
		3003
		3004	sub init {
		3005	reload_resources;
2266	}	3006	}
2267		3007
2268	sub cfg_load {	3008	sub cfg_load {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3009	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3010	or return;
2271		3011
2272	local $/;	3012	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3013	*CFG = YAML::Syck::Load <$fh>;
2274		3014
…		…
2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3022	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283	and die "WARNING: m(un)lockall failed: $!\n";	3023	and die "WARNING: m(un)lockall failed: $!\n";
2284	};	3024	};
2285	warn $@ if $@;	3025	warn $@ if $@;
2286	}	3026	}
2287	}
2288
2289	sub init {
2290	load_resources;
2291	}	3027	}
2292		3028
2293	sub main {	3029	sub main {
2294	# we must not ever block the main coroutine	3030	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3031	local $Coro::idle = sub {
…		…
2323	},	3059	},
2324	);	3060	);
2325	}	3061	}
2326	}	3062	}
2327		3063
		3064	sub write_runtime {
		3065	my $runtime = "$LOCALDIR/runtime";
		3066
		3067	# first touch the runtime file to show we are still running:
		3068	# the fsync below can take a very very long time.
		3069
		3070	IO::AIO::aio_utime $runtime, undef, undef;
		3071
		3072	my $guard = cf::lock_acquire "write_runtime";
		3073
		3074	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3075	or return;
		3076
		3077	my $value = $cf::RUNTIME + 90 + 10;
		3078	# 10 is the runtime save interval, for a monotonic clock
		3079	# 60 allows for the watchdog to kill the server.
		3080
		3081	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3082	and return;
		3083
		3084	# always fsync - this file is important
		3085	aio_fsync $fh
		3086	and return;
		3087
		3088	# touch it again to show we are up-to-date
		3089	aio_utime $fh, undef, undef;
		3090
		3091	close $fh
		3092	or return;
		3093
		3094	aio_rename "$runtime~", $runtime
		3095	and return;
		3096
		3097	warn "runtime file written.\n";
		3098
		3099	1
		3100	}
		3101
2328	sub emergency_save() {	3102	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3103	my $freeze_guard = cf::freeze_mainloop;
2330		3104
2331	warn "enter emergency perl save\n";	3105	warn "enter emergency perl save\n";
2332		3106
…		…
2363		3137
2364	warn Carp::longmess "post_cleanup backtrace"	3138	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3139	if $make_core;
2366	}	3140	}
2367		3141
2368	sub reload() {	3142	sub do_reload_perl() {
2369	# can/must only be called in main	3143	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3144	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3145	warn "can only reload from main coroutine";
2372	return;	3146	return;
2373	}	3147	}
2374		3148
2375	warn "reloading...";	3149	warn "reloading...";
2376		3150
2377	warn "cancelling server ticker";	3151	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3152
		3153	cf::sync_job {
		3154	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3155	cf::emergency_save;
		3156	cf::write_runtime; # external watchdog should not bark
2381		3157
2382	eval {	3158	warn "syncing database to disk";
		3159	BDB::db_env_txn_checkpoint $DB_ENV;
		3160
2383	# if anything goes wrong in here, we should simply crash as we already saved	3161	# if anything goes wrong in here, we should simply crash as we already saved
2384		3162
2385	warn "cancelling all WF_AUTOCANCEL watchers";	3163	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	3164	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	3165	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	3166	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3167
2393	warn "flushing outstanding aio requests";	3168	warn "flushing outstanding aio requests";
2394	for (;;) {	3169	for (;;) {
2395	BDB::flush;	3170	BDB::flush;
2396	IO::AIO::flush;	3171	IO::AIO::flush;
2397	Coro::cede;	3172	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3173	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3174	warn "iterate...";
2400	}	3175	}
2401		3176
		3177	++$RELOAD;
		3178
2402	warn "cancelling all extension coros";	3179	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3180	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3181	%EXT_CORO = ();
2405		3182
2406	warn "removing commands";	3183	warn "removing commands";
2407	%COMMAND = ();	3184	%COMMAND = ();
2408		3185
2409	warn "removing ext commands";	3186	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3187	%EXTCMD = ();
		3188	%EXTICMD = ();
2411		3189
2412	warn "unloading/nuking all extensions";	3190	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3191	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3192	warn "... unloading $pkg";
2415		3193
…		…
2445	Symbol::delete_package "safe::$_"	3223	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3224	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3225
2448	warn "unloading cf.pm \"a bit\"";	3226	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3227	delete $INC{"cf.pm"};
		3228	delete $INC{"cf/pod.pm"};
2450		3229
2451	# don't, removes xs symbols, too,	3230	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3231	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3232	#Symbol::delete_package __PACKAGE__;
2454		3233
…		…
2463		3242
2464	warn "loading extensions";	3243	warn "loading extensions";
2465	cf::load_extensions;	3244	cf::load_extensions;
2466		3245
2467	warn "reattaching attachments to objects/players";	3246	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3247	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3248	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3249	reattach $_ for values %MAP;
		3250	warn "reattaching attachments to players";
		3251	reattach $_ for values %PLAYER;
2471		3252
2472	warn "loading reloadable resources";	3253	warn "leaving sync_job";
2473	load_resources;
2474		3254
2475	warn "restarting server ticker";	3255	1
2476		3256	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3257	warn $@;
2482	warn "error while reloading, exiting.";	3258	warn "error while reloading, exiting.";
2483	exit 1;	3259	exit 1;
2484	}	3260	};
2485		3261
2486	warn "reloaded";	3262	warn "reloaded";
2487	};	3263	};
2488		3264
2489	our $RELOAD_WATCHER; # used only during reload	3265	our $RELOAD_WATCHER; # used only during reload
2490		3266
		3267	sub reload_perl() {
		3268	# doing reload synchronously and two reloads happen back-to-back,
		3269	# coro crashes during coro_state_free->destroy here.
		3270
		3271	$RELOAD_WATCHER ||= Event->timer (
		3272	reentrant => 0,
		3273	after => 0,
		3274	data => WF_AUTOCANCEL,
		3275	cb => sub {
		3276	do_reload_perl;
		3277	undef $RELOAD_WATCHER;
		3278	},
		3279	);
		3280	}
		3281
2491	register_command "reload" => sub {	3282	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3283	my ($who, $arg) = @_;
2493		3284
2494	if ($who->flag (FLAG_WIZ)) {	3285	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3286	$who->message ("reloading server.");
2496		3287	async { reload_perl };
2497	# doing reload synchronously and two reloads happen back-to-back,
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);
2509	}	3288	}
2510	};	3289	};
2511		3290
2512	unshift @INC, $LIBDIR;	3291	unshift @INC, $LIBDIR;
2513		3292
2514	my $bug_warning = 0;	3293	my $bug_warning = 0;
2515		3294
		3295	our @WAIT_FOR_TICK;
		3296	our @WAIT_FOR_TICK_BEGIN;
		3297
		3298	sub wait_for_tick {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	sub wait_for_tick_begin {
		3308	return unless $TICK_WATCHER->is_active;
		3309	return if $Coro::current == $Coro::main;
		3310
		3311	my $signal = new Coro::Signal;
		3312	push @WAIT_FOR_TICK_BEGIN, $signal;
		3313	$signal->wait;
		3314	}
		3315
		3316	my $min = 1e6;#d#
		3317	my $avg = 10;
2516	$TICK_WATCHER = Event->timer (	3318	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3319	reentrant => 0,
2518	parked => 1,	3320	parked => 1,
2519	prio => 0,	3321	prio => 0,
2520	at => $NEXT_TICK || $TICK,	3322	at => $NEXT_TICK || $TICK,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3327	unless ++$bug_warning > 10;
2526	return;	3328	return;
2527	}	3329	}
2528		3330
2529	$NOW = Event::time;	3331	$NOW = $tick_start = Event::time;
2530		3332
2531	cf::server_tick; # one server iteration	3333	cf::server_tick; # one server iteration
		3334
		3335	0 && sync_job {#d#
		3336	for(1..10) {
		3337	my $t = Event::time;
		3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3339	or die;
		3340
		3341	$map->width (50);
		3342	$map->height (50);
		3343	$map->alloc;
		3344	$map->_load_objects ("/tmp/x.map", 1);
		3345	my $t = Event::time - $t;
		3346
		3347	#next unless $t < 0.0013;#d#
		3348	if ($t < $min) {
		3349	$min = $t;
		3350	}
		3351	$avg = $avg * 0.99 + $t * 0.01;
		3352	}
		3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3354	exit 0;
		3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3356	};
		3357
2532	$RUNTIME += $TICK;	3358	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3359	$NEXT_TICK += $TICK;
2534		3360
2535	$WAIT_FOR_TICK->broadcast;	3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3363	Coro::async_pool {
2538	Event::sweep;	3364	write_runtime
2539	Coro::cede_notself;	3365	or warn "ERROR: unable to write runtime file: $!";
		3366	};
2540		3367	}
		3368
2541	# my $AFTER = Event::time;	3369	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#	3370	# warn $AFTER - $NOW;#d#
2543		3371
		3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3373	$sig->send;
		3374	}
		3375	while (my $sig = shift @WAIT_FOR_TICK) {
		3376	$sig->send;
		3377	}
		3378
		3379	$NOW = Event::time;
		3380
2544	# if we are delayed by four ticks or more, skip them all	3381	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3383
2547	$TICK_WATCHER->at ($NEXT_TICK);	3384	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;	3385	$TICK_WATCHER->start;
		3386
		3387	$LOAD = ($NOW - $tick_start) / $TICK;
		3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3389
		3390	_post_tick;
		3391
		3392
2549	},	3393	},
2550	);	3394	);
2551		3395
2552	{	3396	{
2553	BDB::max_poll_time $TICK * 0.1;	3397	BDB::max_poll_time $TICK * 0.1;
…		…
2581		3425
2582	cf::sync_job {	3426	cf::sync_job {
2583	eval {	3427	eval {
2584	BDB::db_env_open	3428	BDB::db_env_open
2585	$DB_ENV,	3429	$DB_ENV,
2586	$BDB_ENV_DIR,	3430	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3431	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3433	0666;
2590		3434
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592		3436
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3437	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;	3438	$DB_ENV->set_lk_detect;
2595	};	3439	};
2596		3440
…		…
2604		3448
2605	undef $Coro::AIO::WATCHER;	3449	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3450	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3451	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3452	reentrant => 0,
		3453	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3454	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3455	poll => 'r',
2611	prio => 6,	3456	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3457	cb => \&IO::AIO::poll_cb,
2614	);	3458	);
2615	}	3459	}
2616		3460
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3461	my $_log_backtrace;
2618	reentrant => 0,	3462
2619	data => WF_AUTOCANCEL,	3463	sub _log_backtrace {
2620	after => 1,	3464	my ($msg, @addr) = @_;
2621	interval => 10,	3465
2622	prio => 6, # keep it lowest so it acts like a watchdog	3466	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3467
2624	write_runtime	3468	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3469	if ($_log_backtrace < 2) {
		3470	++$_log_backtrace;
		3471	async {
		3472	my @bt = fork_call {
		3473	@addr = map { sprintf "%x", $_ } @addr;
		3474	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3475	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3476	or die "addr2line: $!";
		3477
		3478	my @funcs;
		3479	my @res = <$fh>;
		3480	chomp for @res;
		3481	while (@res) {
		3482	my ($func, $line) = splice @res, 0, 2, ();
		3483	push @funcs, "[$func] $line";
		3484	}
		3485
		3486	@funcs
		3487	};
		3488
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] $_\n" for @bt;
		3491	--$_log_backtrace;
		3492	};
		3493	} else {
		3494	LOG llevInfo, "[ABT] $msg\n";
		3495	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3496	}
2627	);	3497	}
		3498
		3499	# load additional modules
		3500	use cf::pod;
2628		3501
2629	END { cf::emergency_save }	3502	END { cf::emergency_save }
2630		3503
2631	1	3504	1
2632		3505

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