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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 2007 UTC vs.
Revision 1.325 by root, Sat Jul 28 14:32:22 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 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$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
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	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(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		94
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
87		116
88	sub cf::map::normalise;	117	sub cf::map::normalise;
89		118
…		…
100	=item $cf::RUNTIME	129	=item $cf::RUNTIME
101		130
102	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
103	every server tick.	132	every server tick.
104		133
105	=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
106		137
107	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		142
110	=item $cf::NOW	143	=item $cf::NOW
111		144
112	The time of the last (current) server tick.	145	The time of the last (current) server tick.
113		146
114	=item $cf::TICK	147	=item $cf::TICK
115		148
116	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.
117		160
118	=item %cf::CFG	161	=item %cf::CFG
119		162
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	164	from wherever your confdir points to.
122		165
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		167
125	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
126	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
127	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.
128	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.
129		177
130	=back	178	=back
131		179
132	=cut	180	=cut
133		181
134	BEGIN {	182	BEGIN {
135	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	184	my $msg = join "", @_;
137	utf8::encode $msg;
138		185
139	$msg .= "\n"	186	$msg .= "\n"
140	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
141		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
142	LOG llevError, $msg;	192	LOG llevError, $msg;
143	};	193	};
144	}	194	}
145		195
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		203
153	# 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
154	# within the Safe compartment.	205	# within the Safe compartment.
155	for my $pkg (qw(	206	for my $pkg (qw(
156	cf::global cf::attachable	207	cf::global cf::attachable
…		…
164	}	215	}
165		216
166	$Event::DIED = sub {	217	$Event::DIED = sub {
167	warn "error in event callback: @_";	218	warn "error in event callback: @_";
168	};	219	};
		220
		221	#############################################################################
169		222
170	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
171		224
172	=over 4	225	=over 4
173		226
…		…
192	$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;
193	$d	246	$d
194	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
195	}	248	}
196		249
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
200		251
201	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
202		253
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
211		255
212	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
213		257
214	=cut	258	=cut
215		259
216	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
218	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
220		264
221	=item cf::lock_wait $string	265	=item cf::lock_wait $string
222		266
223	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
224		268
…		…
230	returned.	274	returned.
231		275
232	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
233	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
234		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
235	=cut	283	=cut
236		284
237	our %LOCK;	285	our %LOCK;
238		286
239	sub lock_wait($) {	287	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
260	}	308	}
261	}	309	}
262		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
263	sub freeze_mainloop {	317	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
265		319
266	my $guard = Coro::guard {	320	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	322	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
272	$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;
273	}	381	}
274		382
275	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
276		384
277	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		390
283	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
284		392
285	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
286		394
287	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)
288	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
289	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.
290		399
291	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
292	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
293	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
294	fast or be very important.	403	fast or be very important.
…		…
297		406
298	sub sync_job(&) {	407	sub sync_job(&) {
299	my ($job) = @_;	408	my ($job) = @_;
300		409
301	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
302	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
304		415
305	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
317		428
318	while ($busy) {	429	while ($busy) {
319	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
320	}	431	}
321		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
322	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
323	} else {	441	} else {
324	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
325		443
326	$job->()	444	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
346		464
347	$coro	465	$coro
348	}	466	}
349		467
350	sub write_runtime {	468	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		469
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
354	or return;	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
355		474
356	my $value = $cf::RUNTIME + 90 + 10;	475	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		476
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	477	sub _store_scalar {
361	and return;	478	open my $fh, ">", \my $buf
362		479	or die "fork_call: cannot open fh-to-buf in child : $!";
363	aio_fsync $fh	480	Storable::store_fd $_[0], $fh;
364	and return;
365
366	close $fh	481	close $fh;
367	or return;
368		482
369	aio_rename "$runtime~", $runtime	483	$buf
370	and return;	484	}
371		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;
372	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 });
373	}	655	}
374		656
375	=back	657	=back
376		658
377	=cut	659	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
386		668
387	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>
388	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
389	crossfire+).	671	Crossfire TRT).
390		672
391	=over 4	673	=over 4
392		674
393	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
394		676
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
558		840
559	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		845
564	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	847	my $pkg = shift @arg;
566		848
567	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
597	}	879	}
598		880
599	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
600	} else {	882	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	884	}
603		885
604	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
605	}	887	}
606		888
…		…
608	if (ref $_[0]) {	890	if (ref $_[0]) {
609	_object_attach @_;	891	_object_attach @_;
610	} else {	892	} else {
611	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
612	}	894	}
		895	_recalc_want;
613	};	896	};
614		897
615	# all those should be optimised	898	# all those should be optimised
616	sub cf::attachable::detach {	899	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
621	reattach ($obj);	904	reattach ($obj);
622	} else {	905	} else {
623	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
624	}	907	}
		908	_recalc_want;
625	};	909	};
626		910
627	sub cf::attachable::attached {	911	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
629		913
…		…
644	";	928	";
645	die if $@;	929	die if $@;
646	}	930	}
647		931
648	our $override;	932	our $override;
649	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?
650		934
651	sub override {	935	sub override {
652	$override = 1;	936	$override = 1;
653	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
654	}	938	}
655		939
656	sub do_invoke {	940	sub do_invoke {
657	my $event = shift;	941	my $event = shift;
658	my $callbacks = shift;	942	my $callbacks = shift;
659		943
660	@invoke_results = ();	944	@INVOKE_RESULTS = ();
661		945
662	local $override;	946	local $override;
663		947
664	for (@$callbacks) {	948	for (@$callbacks) {
665	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
682		966
683	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
684		968
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		972
689	=back	973	=back
690		974
691	=cut	975	=cut
692		976
693	#############################################################################	977	#############################################################################
694	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
695		990
696	sub reattach {	991	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	993	my ($obj) = @_;
699		994
…		…
752	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
753		1048
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1053	close $fh;
759		1054
760	if (@$objs) {	1055	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1061	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
768	}	1063	}
769	} else {	1064	} else {
770	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
776	}	1071	}
777	} else {	1072	} else {
778	aio_unlink $filename;	1073	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1074	aio_unlink "$filename.pst";
780	}	1075	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1076	}
788	}	1077	}
789		1078
790	sub object_freezer_as_string {	1079	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1080	my ($rdata, $objs) = @_;
…		…
797		1086
798	sub object_thawer_load {	1087	sub object_thawer_load {
799	my ($filename) = @_;	1088	my ($filename) = @_;
800		1089
801	my ($data, $av);	1090	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1091
806	(aio_load $filename, $data) >= 0	1092	(aio_load $filename, $data) >= 0
807	or return;	1093	or return;
808		1094
809	unless (aio_stat "$filename.pst") {	1095	unless (aio_stat "$filename.pst") {
…		…
811	or return;	1097	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1099	}
814		1100
815	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	1103	return ($data, $av);
818	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
819		1111
820	#############################################################################	1112	#############################################################################
821	# command handling &c	1113	# command handling &c
822		1114
823	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1129	}
838		1130
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1132
841	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.
842		1138
843	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
844	called.	1140	called.
845		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
846	=cut	1153	=cut
847		1154
848	sub register_extcmd {	1155	sub register_extcmd {
849	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
850		1157
851	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
852	}	1165	}
853		1166
854	cf::player->attach (	1167	cf::player->attach (
855	on_command => sub {	1168	on_command => sub {
856	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1178	cf::override;
866	},	1179	},
867	on_extcmd => sub {	1180	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
869		1182
870	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1184
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
875	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
876	}	1195	if $reply;
877	}	1196	}
878	} else {	1197	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1199	}
881		1200
882	cf::override;	1201	cf::override;
883	},	1202	},
884	);	1203	);
885		1204
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
921	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1210	next unless -r $path;
923	eval {	1211
924	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	$progress = 1;
925	1	1269	}
926	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
927	}	1275	};
928	}	1276	}
929		1277
930	#############################################################################	1278	#############################################################################
931		1279
		1280	=back
		1281
932	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
933		1283
934	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
935		1285
936	=cut	1286	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
949		1299
950	=cut	1300	=cut
951		1301
952	sub playerdir($) {	1302	sub playerdir($) {
953	cf::localdir	1303	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1305	}
959		1306
960	sub path($) {	1307	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1309
963	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
964	}	1311	}
965		1312
966	sub find_active($) {	1313	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1328	my $login = $_[0];
982		1329
983	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
984		1331
985	$cf::PLAYER{$_[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
986	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
987	or return;	1341	or return;
988	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
989	}	1343	}
990	}	1344	}
…		…
1027		1381
1028	=cut	1382	=cut
1029		1383
1030	sub quit_character {	1384	sub quit_character {
1031	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1032		1388
1033	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1390	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1391
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1401	$pl->destroy;
		1402
		1403	my $prefix = qr<^~\Q$name\E/>;
		1404
		1405	# nuke player maps
		1406	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1407
1046	IO::AIO::aio_rmtree $temp;	1408	IO::AIO::aio_rmtree $temp;
		1409	}
		1410
		1411	=item $pl->kick
		1412
		1413	Kicks a player out of the game. This destroys the connection.
		1414
		1415	=cut
		1416
		1417	sub kick {
		1418	my ($pl, $kicker) = @_;
		1419
		1420	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1421	$pl->killer ("kicked");
		1422	$pl->ns->destroy;
1047	}	1423	}
1048		1424
1049	=item cf::player::list_logins	1425	=item cf::player::list_logins
1050		1426
1051	Returns am arrayref of all valid playernames in the system, can take a	1427	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1053		1429
1054	=cut	1430	=cut
1055		1431
1056	sub list_logins {	1432	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1434	or return [];
1059		1435
1060	my @logins;	1436	my @logins;
1061		1437
1062	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1097	}	1473	}
1098		1474
1099	\@paths	1475	\@paths
1100	}	1476	}
1101		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1103		1529
1104	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1105		1531
1106	=cut	1532	=cut
1107		1533
1108	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1110		1536
1111	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1112		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1113	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1114	}	1544	}
1115		1545
1116	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1117		1586
1118	=back	1587	=back
1119
1120		1588
1121	=head3 cf::map	1589	=head3 cf::map
1122		1590
1123	=over 4	1591	=over 4
1124		1592
…		…
1179	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1180		1648
1181	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1182	local $self->{path};	1650	local $self->{path};
1183	local $self->{load_path};	1651	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1652
1187	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1188	}	1654	}
1189		1655
1190	sub normalise {	1656	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1238	return $self;	1704	return $self;
1239	}	1705	}
1240	}	1706	}
1241		1707
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1709	()
1244	}	1710	}
1245		1711
1246	sub init {	1712	sub init {
1247	my ($self) = @_;	1713	my ($self) = @_;
…		…
1262		1728
1263	# the original (read-only) location	1729	# the original (read-only) location
1264	sub load_path {	1730	sub load_path {
1265	my ($self) = @_;	1731	my ($self) = @_;
1266		1732
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1268	}	1734	}
1269		1735
1270	# the temporary/swap location	1736	# the temporary/swap location
1271	sub save_path {	1737	sub save_path {
1272	my ($self) = @_;	1738	my ($self) = @_;
1273		1739
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1276	}	1742	}
1277		1743
1278	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1279	sub uniq_path {	1745	sub uniq_path {
1280	my ($self) = @_;	1746	my ($self) = @_;
1281		1747
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1284	}	1750	}
1285		1751
1286	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1287	# all maps in C++...	1753	# all maps in C++...
1288	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1290		1756
1291	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1293	}	1759	}
1294		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
1295	sub unlink_save {	1769	sub unlink_save {
1296	my ($self) = @_;	1770	my ($self) = @_;
1297		1771
1298	utf8::encode (my $save = $self->save_path);	1772	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1774	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1775	}
1307		1776
1308	sub load_header_from($) {	1777	sub load_header_from($) {
1309	my ($self, $path) = @_;	1778	my ($self, $path) = @_;
1310		1779
…		…
1360	$self->load_header_orig	1829	$self->load_header_orig
1361	or return;	1830	or return;
1362	$self->prepare_orig;	1831	$self->prepare_orig;
1363	}	1832	}
1364		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
		1839
1365	1	1840	1
1366	}	1841	}
1367		1842
1368	sub find;	1843	sub find;
1369	sub find {	1844	sub find {
…		…
1381	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1382		1857
1383	$map->load_header	1858	$map->load_header
1384	or return;	1859	or return;
1385		1860
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1389	$map->reset;	1864	$map->reset;
1390	undef $guard;	1865	undef $guard;
1391	return find $path;	1866	return find $path;
…		…
1402	my ($self) = @_;	1877	my ($self) = @_;
1403		1878
1404	local $self->{deny_reset} = 1; # loading can take a long time	1879	local $self->{deny_reset} = 1; # loading can take a long time
1405		1880
1406	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1407	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1408		1885
1409	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1410		1887
1411	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1412		1889
1413	$self->alloc;	1890	$self->alloc;
1414		1891
1415	$self->pre_load;	1892	$self->pre_load;
1416
1417	$self->_load_objects ($self->{load_path}, 1)
1418	or return;
1419
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421	if delete $self->{load_original};
1422
1423	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {
1426	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);
1428	}
1429	}
1430
1431	Coro::cede;
1432
1433	# now do the right thing for maps
1434	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;	1893	Coro::cede;
1441	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1442	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	1913	unless $self->difficulty;
1444	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1445	$self->activate;	1923	$self->activate;
		1924	}
		1925
		1926	$self->{last_save} = $cf::RUNTIME;
		1927	$self->last_access ($cf::RUNTIME);
		1928
		1929	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1930	}
1447		1931
1448	$self->post_load;	1932	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	1933	}
1452		1934
1453	sub customise_for {	1935	sub customise_for {
1454	my ($self, $ob) = @_;	1936	my ($self, $ob) = @_;
1455		1937
1456	return find "~" . $ob->name . "/" . $self->{path}	1938	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	1939	if $self->per_player;
		1940
		1941	# return find "?party/" . $ob->name . "/" . $self->{path}
		1942	# if $self->per_party;
1458		1943
1459	$self	1944	$self
1460	}	1945	}
1461		1946
1462	# find and load all maps in the 3x3 area around a map	1947	# find and load all maps in the 3x3 area around a map
…		…
1509		1994
1510	undef $MAP_PREFETCH{$path};	1995	undef $MAP_PREFETCH{$path};
1511	$MAP_PREFETCHER ||= cf::async {	1996	$MAP_PREFETCHER ||= cf::async {
1512	while (%MAP_PREFETCH) {	1997	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	1998	for my $path (keys %MAP_PREFETCH) {
1514	my $map = find $path	1999	if (my $map = find $path) {
1515	or next;
1516	$map->load;	2000	$map->load;
		2001	}
1517		2002
1518	delete $MAP_PREFETCH{$path};	2003	delete $MAP_PREFETCH{$path};
1519	}	2004	}
1520	}	2005	}
1521	undef $MAP_PREFETCHER;	2006	undef $MAP_PREFETCHER;
…		…
1573		2058
1574	sub reset_at {	2059	sub reset_at {
1575	my ($self) = @_;	2060	my ($self) = @_;
1576		2061
1577	# TODO: safety, remove and allow resettable per-player maps	2062	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2063	return 1e99 if $self->{deny_reset};
1580		2064
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2065	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2066	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2067
…		…
1594	my ($self) = @_;	2078	my ($self) = @_;
1595		2079
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2080	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2081
1598	return if $self->players;	2082	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2083
1601	warn "resetting map ", $self->path;#d#	2084	warn "resetting map ", $self->path;
		2085
		2086	$self->in_memory (cf::MAP_SWAPPED);
		2087
		2088	# need to save uniques path
		2089	unless ($self->{deny_save}) {
		2090	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2091
		2092	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2093	if $uniq;
		2094	}
1602		2095
1603	delete $cf::MAP{$self->path};	2096	delete $cf::MAP{$self->path};
1604		2097
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	$self->clear;	2098	$self->clear;
1607		2099
1608	$_->clear_links_to ($self) for values %cf::MAP;	2100	$_->clear_links_to ($self) for values %cf::MAP;
1609		2101
1610	$self->unlink_save;	2102	$self->unlink_save;
…		…
1629	$cf::MAP{$self->path} = $self;	2121	$cf::MAP{$self->path} = $self;
1630		2122
1631	$self->reset; # polite request, might not happen	2123	$self->reset; # polite request, might not happen
1632	}	2124	}
1633		2125
		2126	=item $maps = cf::map::tmp_maps
		2127
		2128	Returns an arrayref with all map paths of currently instantiated and saved
		2129	maps. May block.
		2130
		2131	=cut
		2132
		2133	sub tmp_maps() {
		2134	[
		2135	map {
		2136	utf8::decode $_;
		2137	/\.map$/
		2138	? normalise $_
		2139	: ()
		2140	} @{ aio_readdir $TMPDIR or [] }
		2141	]
		2142	}
		2143
		2144	=item $maps = cf::map::random_maps
		2145
		2146	Returns an arrayref with all map paths of currently instantiated and saved
		2147	random maps. May block.
		2148
		2149	=cut
		2150
		2151	sub random_maps() {
		2152	[
		2153	map {
		2154	utf8::decode $_;
		2155	/\.map$/
		2156	? normalise "?random/$_"
		2157	: ()
		2158	} @{ aio_readdir $RANDOMDIR or [] }
		2159	]
		2160	}
		2161
1634	=item cf::map::unique_maps	2162	=item cf::map::unique_maps
1635		2163
1636	Returns an arrayref of paths of all shared maps that have	2164	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2165	instantiated unique items. May block.
1638		2166
1639	=cut	2167	=cut
1640		2168
1641	sub unique_maps() {	2169	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2170	[
1643	or return;	2171	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2172	utf8::decode $_;
1649	next if /\.pst$/;	2173	/\.map$/
1650	next unless /^$PATH_SEP/o;	2174	? normalise $_
1651		2175	: ()
1652	push @paths, cf::map::normalise $_;	2176	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2177	]
1654
1655	\@paths
1656	}	2178	}
1657		2179
1658	package cf;	2180	package cf;
1659		2181
1660	=back	2182	=back
…		…
1706		2228
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2229	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2230
1709	if ($self->{record_replies}) {	2231	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2232	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2233
1711	} else {	2234	} else {
		2235	my $pl = $self->contr;
		2236
		2237	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2238	my $dialog = $pl->{npc_dialog};
		2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2240
		2241	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2242	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2243	$self->message ($msg, $flags);
		2244	}
1714	}	2245	}
1715	}	2246	}
1716		2247
1717	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1718		2249
…		…
1766	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1767		2298
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2300
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1772		2303
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2305	}
1775		2306
1776	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1778		2311
1779	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1780		2313
1781	unless ($map) {	2314	unless ($map) {
1782	# restore original map position	2315	# restore original map position
…		…
1800	$map->load;	2333	$map->load;
1801	$map->load_diag;	2334	$map->load_diag;
1802		2335
1803	return unless $self->contr->active;	2336	return unless $self->contr->active;
1804	$self->activate_recursive;	2337	$self->activate_recursive;
		2338
		2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1806	}	2341	}
1807		2342
1808	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2344
1812	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1816	};	2349	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2350
1822	# try to abort aborted map switching on player login :)
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1843		2354
1844	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2360
1847	$self->enter_link;	2361	$self->enter_link;
1848		2362
1849	(async {	2363	(async {
1850	my $map = eval {	2364	my $map = eval {
1851	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
		2369	$map = $check->($map) if $check && $map;
		2370	} else {
		2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
		2373
1853	$map	2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2380	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1858	})->prio (1);	2388	})->prio (1);
1859	}	2389	}
1860		2390
1861	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1862		2392
…		…
1901		2431
1902	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1903		2433
1904	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1905	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2436	my $meta = "$RANDOMDIR/$md5.meta";
1907		2437
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2440	undef $fh;
1911	aio_rename "$meta~", $meta;	2441	aio_rename "$meta~", $meta;
…		…
1920		2450
1921	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1922		2452
1923	if ($exit->slaying eq "/!") {	2453	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job	2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
1925	cf::sync_job { prepare_random_map $exit };	2457	cf::sync_job { prepare_random_map $exit };
1926	}	2458	}
1927		2459
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;	2461	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;	2462	my $sp = $exit->stats->sp;
1931		2463
1932	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1933		2469
1934	(async {	2470	(async {
1935	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1936	unless (eval {	2472	unless (eval {
1937	$self->goto ($slaying, $hp, $sp);	2473	$self->goto ($slaying, $hp, $sp);
1938		2474
1939	1;	2475	1;
1940	}) {	2476	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2481
1946	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2483	$self->leave_link;
1948	}	2484	}
1949	})->prio (1);	2485	})->prio (1);
…		…
1962		2498
1963	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1965		2501
1966	utf8::encode $text;	2502	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2504	}
1969		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	sub cf::client::send_msg {
		2516	my ($self, $channel, $msg, $color, @extra) = @_;
		2517
		2518	$msg = $self->pl->expand_cfpod ($msg);
		2519
		2520	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2521
		2522	if (ref $channel) {
		2523	# send meta info to client, if not yet sent
		2524	unless (exists $self->{channel}{$channel->{id}}) {
		2525	$self->{channel}{$channel->{id}} = $channel;
		2526	$self->ext_msg (channel_info => $channel);
		2527	}
		2528
		2529	$channel = $channel->{id};
		2530	}
		2531
		2532	return unless @extra || length $msg;
		2533
		2534	if ($self->can_msg) {
		2535	# default colour, mask it out
		2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2537	if $color & cf::NDI_DEF;
		2538
		2539	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2541	} else {
		2542	if ($color >= 0) {
		2543	# replace some tags by gcfclient-compatible ones
		2544	for ($msg) {
		2545	1 while
		2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2551	}
		2552
		2553	$color &= cf::NDI_COLOR_MASK;
		2554
		2555	if (0 && $msg =~ /\[/) {
		2556	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2557	} else {
		2558	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2559	$self->send_packet ("drawinfo $color $msg")
		2560	}
		2561	}
		2562	}
		2563	}
		2564
		2565	=item $client->ext_msg ($type, @msg)
		2566
		2567	Sends an ext event to the client.
		2568
		2569	=cut
		2570
		2571	sub cf::client::ext_msg($$@) {
		2572	my ($self, $type, @msg) = @_;
		2573
		2574	my $extcmd = $self->extcmd;
		2575
		2576	if ($extcmd == 2) {
		2577	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2578	} elsif ($extcmd == 1) { # TODO: remove
		2579	push @msg, msgtype => "event_$type";
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1970		2583
1971	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1972		2585
1973	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2589
1977	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2591	become reliable at some point in the future.
1979		2592
1980	=cut	2593	=cut
1981		2594
1982	sub cf::client::query {	2595	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2604	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2606
1994	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
1996	}	2611	}
1997		2612
1998	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
1999	on_reply => sub {	2619	on_reply => sub {
2000	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
2001		2621
2002	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
2003	# get handled first	2623	# get handled first
2004	my $queue = delete $ns->{query_queue}	2624	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	2625	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		2626
2007	(shift @$queue)->[1]->($msg);	2627	(shift @$queue)->[1]->($msg);
		2628	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		2629
2009	push @{ $ns->{query_queue} }, @$queue;	2630	push @{ $ns->{query_queue} }, @$queue;
2010		2631
2011	if (@{ $ns->{query_queue} } == @$queue) {	2632	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	2633	if (@$queue) {
…		…
2014	} else {	2635	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	2637	}
2017	}	2638	}
2018	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
2019	);	2663	);
2020		2664
2021	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
2022		2666
2023	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2070		2714
2071	# here we export the classes and methods available to script code	2715	# here we export the classes and methods available to script code
2072		2716
2073	=pod	2717	=pod
2074		2718
2075	The following fucntions and emthods are available within a safe environment:	2719	The following functions and methods are available within a safe environment:
2076		2720
2077	cf::object contr pay_amount pay_player map	2721	cf::object
		2722	contr pay_amount pay_player map x y force_find force_add
		2723	insert remove
		2724
2078	cf::object::player player	2725	cf::object::player
2079	cf::player peaceful	2726	player
2080	cf::map trigger	2727
		2728	cf::player
		2729	peaceful
		2730
		2731	cf::map
		2732	trigger
2081		2733
2082	=cut	2734	=cut
2083		2735
2084	for (	2736	for (
2085	["cf::object" => qw(contr pay_amount pay_player map)],	2737	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2738	insert remove)],
2086	["cf::object::player" => qw(player)],	2739	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	2740	["cf::player" => qw(peaceful)],
2088	["cf::map" => qw(trigger)],	2741	["cf::map" => qw(trigger)],
2089	) {	2742	) {
2090	no strict 'refs';	2743	no strict 'refs';
…		…
2161	=back	2814	=back
2162		2815
2163	=cut	2816	=cut
2164		2817
2165	#############################################################################	2818	#############################################################################
		2819	# the server's init and main functions
2166		2820
2167	=head2 EXTENSION DATABASE SUPPORT	2821	sub load_facedata($) {
		2822	my ($path) = @_;
2168		2823
2169	Crossfire maintains a very simple database for extension use. It can	2824	warn "loading facedata from $path\n";
2170	currently store anything that can be serialised using Storable, which
2171	excludes objects.
2172		2825
2173	The parameter C<$family> should best start with the name of the extension	2826	my $facedata;
2174	using it, it should be unique.	2827	0 < aio_load $path, $facedata
		2828	or die "$path: $!";
2175		2829
2176	=over 4	2830	$facedata = Coro::Storable::thaw $facedata;
2177		2831
2178	=item $hashref = cf::db_get $family	2832	$facedata->{version} == 2
		2833	or cf::cleanup "$path: version mismatch, cannot proceed.";
2179		2834
2180	Return a hashref for use by the extension C<$family>, which can be
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183
2184	=item $value = cf::db_get $family => $key
2185
2186	Returns a single value from the database
2187
2188	=item cf::db_put $family => $hashref
2189
2190	Stores the given family hashref into the database. Updates are delayed, if
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	2835	{
		2836	my $faces = $facedata->{faceinfo};
2216		2837
2217	my $pid;	2838	while (my ($face, $info) = each %$faces) {
		2839	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2840	cf::face::set_visibility $idx, $info->{visibility};
		2841	cf::face::set_magicmap $idx, $info->{magicmap};
		2842	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2843	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2218		2844
2219	sub db_save() {	2845	cf::cede_to_tick;
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}
2228
2229	my $dirty;
2230
2231	sub db_sync() {
2232	db_save if $dirty;
2233	undef $dirty;
2234	}
2235
2236	my $idle = Event->idle (
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	2846	}
2270	);
2271	}
2272		2847
2273	#############################################################################	2848	while (my ($face, $info) = each %$faces) {
2274	# the server's main()	2849	next unless $info->{smooth};
		2850	my $idx = cf::face::find $face
		2851	or next;
		2852	if (my $smooth = cf::face::find $info->{smooth}) {
		2853	cf::face::set_smooth $idx, $smooth;
		2854	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2855	} else {
		2856	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2857	}
		2858
		2859	cf::cede_to_tick;
		2860	}
		2861	}
		2862
		2863	{
		2864	my $anims = $facedata->{animinfo};
		2865
		2866	while (my ($anim, $info) = each %$anims) {
		2867	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2868	cf::cede_to_tick;
		2869	}
		2870
		2871	cf::anim::invalidate_all; # d'oh
		2872	}
		2873
		2874	{
		2875	# TODO: for gcfclient pleasure, we should give resources
		2876	# that gcfclient doesn't grok a >10000 face index.
		2877	my $res = $facedata->{resource};
		2878	my $enc = JSON::XS->new->utf8->canonical;
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $meta = $enc->encode ({
		2884	name => $name,
		2885	%{ $info->{meta} || {} },
		2886	});
		2887
		2888	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2889
		2890	if ($info->{type} & 1) {
		2891	# prepend meta info
		2892
		2893	my $data = pack "(w/a*)*", $meta, $info->{data};
		2894	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2895
		2896	cf::face::set_data $idx, 0, $data, $chk;
		2897	} else {
		2898	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2899	}
		2900
		2901	cf::face::set_type $idx, $info->{type};
		2902
		2903	cf::cede_to_tick;
		2904	}
		2905
		2906	if ($soundconf) {
		2907	$soundconf = $enc->decode (delete $soundconf->{data});
		2908
		2909	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2910	my $sound = $soundconf->{compat}[$_]
		2911	or next;
		2912
		2913	my $face = cf::face::find "sound/$sound->[1]";
		2914
		2915	cf::sound::set $sound->[0] => $face;
		2916	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2917	}
		2918
		2919	#TODO
		2920	}
		2921	}
		2922
		2923	1
		2924	}
		2925
		2926	register_exticmd fx_want => sub {
		2927	my ($ns, $want) = @_;
		2928
		2929	while (my ($k, $v) = each %$want) {
		2930	$ns->fx_want ($k, $v);
		2931	}
		2932	};
		2933
		2934	sub reload_regions {
		2935	load_resource_file "$MAPDIR/regions"
		2936	or die "unable to load regions file\n";
		2937
		2938	for (cf::region::list) {
		2939	$_->{match} = qr/$_->{match}/
		2940	if exists $_->{match};
		2941	}
		2942	}
		2943
		2944	sub reload_facedata {
		2945	load_facedata "$DATADIR/facedata"
		2946	or die "unable to load facedata\n";
		2947	}
		2948
		2949	sub reload_archetypes {
		2950	load_resource_file "$DATADIR/archetypes"
		2951	or die "unable to load archetypes\n";
		2952	#d# NEED to laod twice to resolve forward references
		2953	# this really needs to be done in an extra post-pass
		2954	# (which needs to be synchronous, so solve it differently)
		2955	load_resource_file "$DATADIR/archetypes"
		2956	or die "unable to load archetypes\n";
		2957	}
		2958
		2959	sub reload_treasures {
		2960	load_resource_file "$DATADIR/treasures"
		2961	or die "unable to load treasurelists\n";
		2962	}
		2963
		2964	sub reload_resources {
		2965	warn "reloading resource files...\n";
		2966
		2967	reload_regions;
		2968	reload_facedata;
		2969	#reload_archetypes;#d#
		2970	reload_archetypes;
		2971	reload_treasures;
		2972
		2973	warn "finished reloading resource files\n";
		2974	}
		2975
		2976	sub init {
		2977	reload_resources;
		2978	}
2275		2979
2276	sub cfg_load {	2980	sub cfg_load {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	2981	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	2982	or return;
2279		2983
2280	local $/;	2984	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	2985	*CFG = YAML::Syck::Load <$fh>;
2282		2986
…		…
2302	Event::one_event;	3006	Event::one_event;
2303	})->prio (Coro::PRIO_MAX);	3007	})->prio (Coro::PRIO_MAX);
2304	};	3008	};
2305		3009
2306	cfg_load;	3010	cfg_load;
2307	db_load;	3011	db_init;
2308	load_extensions;	3012	load_extensions;
2309		3013
2310	$TICK_WATCHER->start;	3014	$TICK_WATCHER->start;
2311	Event::loop;	3015	Event::loop;
2312	}	3016	}
…		…
2327	},	3031	},
2328	);	3032	);
2329	}	3033	}
2330	}	3034	}
2331		3035
		3036	sub write_runtime {
		3037	my $runtime = "$LOCALDIR/runtime";
		3038
		3039	# first touch the runtime file to show we are still running:
		3040	# the fsync below can take a very very long time.
		3041
		3042	IO::AIO::aio_utime $runtime, undef, undef;
		3043
		3044	my $guard = cf::lock_acquire "write_runtime";
		3045
		3046	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3047	or return;
		3048
		3049	my $value = $cf::RUNTIME + 90 + 10;
		3050	# 10 is the runtime save interval, for a monotonic clock
		3051	# 60 allows for the watchdog to kill the server.
		3052
		3053	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3054	and return;
		3055
		3056	# always fsync - this file is important
		3057	aio_fsync $fh
		3058	and return;
		3059
		3060	# touch it again to show we are up-to-date
		3061	aio_utime $fh, undef, undef;
		3062
		3063	close $fh
		3064	or return;
		3065
		3066	aio_rename "$runtime~", $runtime
		3067	and return;
		3068
		3069	warn "runtime file written.\n";
		3070
		3071	1
		3072	}
		3073
2332	sub emergency_save() {	3074	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	3075	my $freeze_guard = cf::freeze_mainloop;
2334		3076
2335	warn "enter emergency perl save\n";	3077	warn "enter emergency perl save\n";
2336		3078
…		…
2351	my $map = $cf::MAP{$path} or next;	3093	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	3094	$map->valid or next;
2353	$map->save;	3095	$map->save;
2354	}	3096	}
2355	warn "end emergency map save\n";	3097	warn "end emergency map save\n";
		3098
		3099	warn "begin emergency database checkpoint\n";
		3100	BDB::db_env_txn_checkpoint $DB_ENV;
		3101	warn "end emergency database checkpoint\n";
2356	};	3102	};
2357		3103
2358	warn "leave emergency perl save\n";	3104	warn "leave emergency perl save\n";
2359	}	3105	}
2360		3106
		3107	sub post_cleanup {
		3108	my ($make_core) = @_;
		3109
		3110	warn Carp::longmess "post_cleanup backtrace"
		3111	if $make_core;
		3112	}
		3113
2361	sub reload() {	3114	sub do_reload_perl() {
2362	# can/must only be called in main	3115	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	3116	if ($Coro::current != $Coro::main) {
2364	warn "can only reload from main coroutine";	3117	warn "can only reload from main coroutine";
2365	return;	3118	return;
2366	}	3119	}
2367		3120
2368	warn "reloading...";	3121	warn "reloading...";
2369		3122
2370	warn "cancelling server ticker";	3123	warn "entering sync_job";
2371	$TICK_WATCHER->cancel;
2372		3124
		3125	cf::sync_job {
		3126	cf::write_runtime; # external watchdog should not bark
2373	cf::emergency_save;	3127	cf::emergency_save;
		3128	cf::write_runtime; # external watchdog should not bark
2374		3129
2375	eval {	3130	warn "syncing database to disk";
		3131	BDB::db_env_txn_checkpoint $DB_ENV;
		3132
2376	# if anything goes wrong in here, we should simply crash as we already saved	3133	# if anything goes wrong in here, we should simply crash as we already saved
2377
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380		3134
2381	warn "cancelling all WF_AUTOCANCEL watchers";	3135	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {	3136	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;	3137	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}	3138	}
2385		3139
2386	warn "flushing outstanding aio requests";	3140	warn "flushing outstanding aio requests";
2387	for (;;) {	3141	for (;;) {
		3142	BDB::flush;
2388	IO::AIO::flush;	3143	IO::AIO::flush;
2389	Coro::cede;	3144	Coro::cede;
2390	last unless IO::AIO::nreqs;	3145	last unless IO::AIO::nreqs || BDB::nreqs;
2391	warn "iterate...";	3146	warn "iterate...";
2392	}	3147	}
		3148
		3149	++$RELOAD;
2393		3150
2394	warn "cancelling all extension coros";	3151	warn "cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;	3152	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();	3153	%EXT_CORO = ();
2397		3154
2398	warn "removing commands";	3155	warn "removing commands";
2399	%COMMAND = ();	3156	%COMMAND = ();
2400		3157
2401	warn "removing ext commands";	3158	warn "removing ext/exti commands";
2402	%EXTCMD = ();	3159	%EXTCMD = ();
		3160	%EXTICMD = ();
2403		3161
2404	warn "unloading/nuking all extensions";	3162	warn "unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {	3163	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";	3164	warn "... unloading $pkg";
2407		3165
…		…
2437	Symbol::delete_package "safe::$_"	3195	Symbol::delete_package "safe::$_"
2438	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3196	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2439		3197
2440	warn "unloading cf.pm \"a bit\"";	3198	warn "unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	3199	delete $INC{"cf.pm"};
		3200	delete $INC{"cf/pod.pm"};
2442		3201
2443	# don't, removes xs symbols, too,	3202	# don't, removes xs symbols, too,
2444	# and global variables created in xs	3203	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	3204	#Symbol::delete_package __PACKAGE__;
2446		3205
…		…
2450	require cf;	3209	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3210	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2452		3211
2453	warn "loading config and database again";	3212	warn "loading config and database again";
2454	cf::cfg_load;	3213	cf::cfg_load;
2455	cf::db_load;
2456		3214
2457	warn "loading extensions";	3215	warn "loading extensions";
2458	cf::load_extensions;	3216	cf::load_extensions;
2459		3217
2460	warn "reattaching attachments to objects/players";	3218	warn "reattaching attachments to objects/players";
2461	_global_reattach;	3219	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	3220	warn "reattaching attachments to maps";
2463	reattach $_ for values %MAP;	3221	reattach $_ for values %MAP;
		3222	warn "reattaching attachments to players";
		3223	reattach $_ for values %PLAYER;
2464		3224
2465	warn "restarting server ticker";	3225	warn "leaving sync_job";
2466		3226
2467	$TICK_WATCHER->start;	3227	1
2468	};	3228	} or do {
2469
2470	if ($@) {
2471	warn $@;	3229	warn $@;
2472	warn "error while reloading, exiting.";	3230	warn "error while reloading, exiting.";
2473	exit 1;	3231	exit 1;
2474	}	3232	};
2475		3233
2476	warn "reloaded";	3234	warn "reloaded";
2477	};	3235	};
2478		3236
2479	our $RELOAD_WATCHER; # used only during reload	3237	our $RELOAD_WATCHER; # used only during reload
2480		3238
		3239	sub reload_perl() {
		3240	# doing reload synchronously and two reloads happen back-to-back,
		3241	# coro crashes during coro_state_free->destroy here.
		3242
		3243	$RELOAD_WATCHER ||= Event->timer (
		3244	reentrant => 0,
		3245	after => 0,
		3246	data => WF_AUTOCANCEL,
		3247	cb => sub {
		3248	do_reload_perl;
		3249	undef $RELOAD_WATCHER;
		3250	},
		3251	);
		3252	}
		3253
2481	register_command "reload" => sub {	3254	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	3255	my ($who, $arg) = @_;
2483		3256
2484	if ($who->flag (FLAG_WIZ)) {	3257	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	3258	$who->message ("reloading server.");
2486		3259	async { reload_perl };
2487	# doing reload synchronously and two reloads happen back-to-back,
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);
2499	}	3260	}
2500	};	3261	};
2501		3262
2502	unshift @INC, $LIBDIR;	3263	unshift @INC, $LIBDIR;
2503		3264
2504	my $bug_warning = 0;	3265	my $bug_warning = 0;
2505		3266
		3267	our @WAIT_FOR_TICK;
		3268	our @WAIT_FOR_TICK_BEGIN;
		3269
		3270	sub wait_for_tick {
		3271	return unless $TICK_WATCHER->is_active;
		3272	return if $Coro::current == $Coro::main;
		3273
		3274	my $signal = new Coro::Signal;
		3275	push @WAIT_FOR_TICK, $signal;
		3276	$signal->wait;
		3277	}
		3278
		3279	sub wait_for_tick_begin {
		3280	return unless $TICK_WATCHER->is_active;
		3281	return if $Coro::current == $Coro::main;
		3282
		3283	my $signal = new Coro::Signal;
		3284	push @WAIT_FOR_TICK_BEGIN, $signal;
		3285	$signal->wait;
		3286	}
		3287
		3288	my $min = 1e6;#d#
		3289	my $avg = 10;
2506	$TICK_WATCHER = Event->timer (	3290	$TICK_WATCHER = Event->timer (
2507	reentrant => 0,	3291	reentrant => 0,
2508	parked => 1,	3292	parked => 1,
2509	prio => 0,	3293	prio => 0,
2510	at => $NEXT_TICK || $TICK,	3294	at => $NEXT_TICK || $TICK,
…		…
2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3298	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515	unless ++$bug_warning > 10;	3299	unless ++$bug_warning > 10;
2516	return;	3300	return;
2517	}	3301	}
2518		3302
2519	$NOW = Event::time;	3303	$NOW = $tick_start = Event::time;
2520		3304
2521	cf::server_tick; # one server iteration	3305	cf::server_tick; # one server iteration
		3306
		3307	0 && sync_job {#d#
		3308	for(1..10) {
		3309	my $t = Event::time;
		3310	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3311	or die;
		3312
		3313	$map->width (50);
		3314	$map->height (50);
		3315	$map->alloc;
		3316	$map->_load_objects ("/tmp/x.map", 1);
		3317	my $t = Event::time - $t;
		3318
		3319	#next unless $t < 0.0013;#d#
		3320	if ($t < $min) {
		3321	$min = $t;
		3322	}
		3323	$avg = $avg * 0.99 + $t * 0.01;
		3324	}
		3325	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3326	exit 0;
		3327	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3328	};
		3329
2522	$RUNTIME += $TICK;	3330	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;	3331	$NEXT_TICK += $TICK;
2524		3332
2525	$WAIT_FOR_TICK->broadcast;	3333	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3334	$NEXT_RUNTIME_WRITE = $NOW + 10;
2527		3335	Coro::async_pool {
2528	Event::sweep;	3336	write_runtime
2529	Coro::cede_notself;	3337	or warn "ERROR: unable to write runtime file: $!";
		3338	};
2530		3339	}
		3340
2531	# my $AFTER = Event::time;	3341	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#	3342	# warn $AFTER - $NOW;#d#
2533		3343
		3344	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3345	$sig->send;
		3346	}
		3347	while (my $sig = shift @WAIT_FOR_TICK) {
		3348	$sig->send;
		3349	}
		3350
		3351	$NOW = Event::time;
		3352
2534	# if we are delayed by four ticks or more, skip them all	3353	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3354	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536		3355
2537	$TICK_WATCHER->at ($NEXT_TICK);	3356	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;	3357	$TICK_WATCHER->start;
		3358
		3359	$LOAD = ($NOW - $tick_start) / $TICK;
		3360	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3361
		3362	_post_tick;
		3363
		3364
2539	},	3365	},
2540	);	3366	);
2541		3367
		3368	{
		3369	BDB::max_poll_time $TICK * 0.1;
		3370	$BDB_POLL_WATCHER = Event->io (
		3371	reentrant => 0,
		3372	fd => BDB::poll_fileno,
		3373	poll => 'r',
		3374	prio => 0,
		3375	data => WF_AUTOCANCEL,
		3376	cb => \&BDB::poll_cb,
		3377	);
		3378	BDB::min_parallel 8;
		3379
		3380	BDB::set_sync_prepare {
		3381	my $status;
		3382	my $current = $Coro::current;
		3383	(
		3384	sub {
		3385	$status = $!;
		3386	$current->ready; undef $current;
		3387	},
		3388	sub {
		3389	Coro::schedule while defined $current;
		3390	$! = $status;
		3391	},
		3392	)
		3393	};
		3394
		3395	unless ($DB_ENV) {
		3396	$DB_ENV = BDB::db_env_create;
		3397
		3398	cf::sync_job {
		3399	eval {
		3400	BDB::db_env_open
		3401	$DB_ENV,
		3402	$BDBDIR,
		3403	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3404	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3405	0666;
		3406
		3407	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3408
		3409	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3410	$DB_ENV->set_lk_detect;
		3411	};
		3412
		3413	cf::cleanup "db_env_open(db): $@" if $@;
		3414	};
		3415	}
		3416	}
		3417
		3418	{
		3419	IO::AIO::min_parallel 8;
		3420
		3421	undef $Coro::AIO::WATCHER;
2542	IO::AIO::max_poll_time $TICK * 0.1;	3422	IO::AIO::max_poll_time $TICK * 0.1;
2543
2544	undef $Coro::AIO::WATCHER;
2545	$AIO_POLL_WATCHER = Event->io (	3423	$AIO_POLL_WATCHER = Event->io (
2546	reentrant => 0,	3424	reentrant => 0,
		3425	data => WF_AUTOCANCEL,
2547	fd => IO::AIO::poll_fileno,	3426	fd => IO::AIO::poll_fileno,
2548	poll => 'r',	3427	poll => 'r',
2549	prio => 6,	3428	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,	3429	cb => \&IO::AIO::poll_cb,
2552	);	3430	);
		3431	}
2553		3432
2554	$WRITE_RUNTIME_WATCHER = Event->timer (	3433	my $_log_backtrace;
2555	reentrant => 0,	3434
2556	data => WF_AUTOCANCEL,	3435	sub _log_backtrace {
2557	after => 1,	3436	my ($msg, @addr) = @_;
2558	interval => 10,	3437
2559	prio => 6, # keep it lowest so it acts like a watchdog	3438	$msg =~ s/\n//;
2560	cb => Coro::unblock_sub {	3439
2561	write_runtime	3440	# limit the # of concurrent backtraces
2562	or warn "ERROR: unable to write runtime file: $!";	3441	if ($_log_backtrace < 2) {
		3442	++$_log_backtrace;
		3443	async {
		3444	my @bt = fork_call {
		3445	@addr = map { sprintf "%x", $_ } @addr;
		3446	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3447	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3448	or die "addr2line: $!";
		3449
		3450	my @funcs;
		3451	my @res = <$fh>;
		3452	chomp for @res;
		3453	while (@res) {
		3454	my ($func, $line) = splice @res, 0, 2, ();
		3455	push @funcs, "[$func] $line";
		3456	}
		3457
		3458	@funcs
		3459	};
		3460
		3461	LOG llevInfo, "[ABT] $msg\n";
		3462	LOG llevInfo, "[ABT] $_\n" for @bt;
		3463	--$_log_backtrace;
		3464	};
		3465	} else {
		3466	LOG llevInfo, "[ABT] $msg\n";
		3467	LOG llevInfo, "[ABT] [suppressed]\n";
2563	},	3468	}
2564	);	3469	}
		3470
		3471	# load additional modules
		3472	use cf::pod;
2565		3473
2566	END { cf::emergency_save }	3474	END { cf::emergency_save }
2567		3475
2568	1	3476	1
2569		3477

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