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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.162 by root, Thu Jan 11 00:41:08 2007 UTC vs.
Revision 1.315 by root, Mon Jul 23 17:53:55 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 3.3 ();	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;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	79	our $NEXT_TICK;
50	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;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
56		90
57	our %PLAYER; # all users	91	our %PLAYER; # all users
58	our %MAP; # all maps	92	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		94
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
64		101
65	binmode STDOUT;	102	binmode STDOUT;
66	binmode STDERR;	103	binmode STDERR;
67		104
68	# read virtual server time, if available	105	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
73	}	110	}
74		111
75	mkdir cf::localdir;	112	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		114
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
84		118
85	#############################################################################	119	#############################################################################
86		120
87	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
88		122
…		…
95	=item $cf::RUNTIME	129	=item $cf::RUNTIME
96		130
97	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
98	every server tick.	132	every server tick.
99		133
100	=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
101		137
102	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		142
105	=item $cf::NOW	143	=item $cf::NOW
106		144
107	The time of the last (current) server tick.	145	The time of the last (current) server tick.
108		146
109	=item $cf::TICK	147	=item $cf::TICK
110		148
111	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.
112		160
113	=item %cf::CFG	161	=item %cf::CFG
114		162
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	164	from wherever your confdir points to.
117		165
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		167
120	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
121	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
122	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.
123	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.
124		177
125	=back	178	=back
126		179
127	=cut	180	=cut
128		181
129	BEGIN {	182	BEGIN {
130	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	184	my $msg = join "", @_;
132	utf8::encode $msg;
133		185
134	$msg .= "\n"	186	$msg .= "\n"
135	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
136		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
137	LOG llevError, $msg;	192	LOG llevError, $msg;
138	};	193	};
139	}	194	}
140		195
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		203
148	# 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
149	# within the Safe compartment.	205	# within the Safe compartment.
150	for my $pkg (qw(	206	for my $pkg (qw(
151	cf::global cf::attachable	207	cf::global cf::attachable
…		…
159	}	215	}
160		216
161	$Event::DIED = sub {	217	$Event::DIED = sub {
162	warn "error in event callback: @_";	218	warn "error in event callback: @_";
163	};	219	};
		220
		221	#############################################################################
164		222
165	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
166		224
167	=over 4	225	=over 4
168		226
…		…
187	$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;
188	$d	246	$d
189	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
190	}	248	}
191		249
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
195		251
196	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
197		253
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
206		255
207	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
208		257
209	=cut	258	=cut
210		259
211	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
213	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
215		264
216	=item cf::lock_wait $string	265	=item cf::lock_wait $string
217		266
218	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
219		268
…		…
225	returned.	274	returned.
226		275
227	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
228	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
229		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
230	=cut	283	=cut
231		284
232	our %LOCK;	285	our %LOCK;
233		286
234	sub lock_wait($) {	287	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
255	}	308	}
256	}	309	}
257		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
258	sub freeze_mainloop {	317	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
260		319
261	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
262	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
263	$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;
264	}	381	}
265		382
266	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
267		384
268	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		390
274	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
275		392
276	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
277		394
278	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)
279	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
280	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.
281		399
282	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
283	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
284	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
285	fast or be very important.	403	fast or be very important.
…		…
288		406
289	sub sync_job(&) {	407	sub sync_job(&) {
290	my ($job) = @_;	408	my ($job) = @_;
291		409
292	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
293	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
295		415
296	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
308		428
309	while ($busy) {	429	while ($busy) {
310	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
311	}	431	}
312		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
313	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
314	} else {	441	} else {
315	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
316		443
317	$job->()	444	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
337		464
338	$coro	465	$coro
339	}	466	}
340		467
341	sub write_runtime {	468	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		469
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
345	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.
346		474
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	475	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		476
351	aio_fsync $fh	477	sub _store_scalar {
352	and return;	478	open my $fh, ">", \my $buf
353		479	or die "fork_call: cannot open fh-to-buf in child : $!";
		480	Storable::store_fd $_[0], $fh;
354	close $fh	481	close $fh;
355	or return;
356		482
357	aio_rename "$runtime~", $runtime	483	$buf
358	and return;	484	}
359		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;
360	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 });
361	}	655	}
362		656
363	=back	657	=back
364		658
365	=cut	659	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		660
523	#############################################################################	661	#############################################################################
524		662
525	=head2 ATTACHABLE OBJECTS	663	=head2 ATTACHABLE OBJECTS
526		664
…		…
528	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")
529	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
530		668
531	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>
532	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
533	crossfire+).	671	Crossfire TRT).
534		672
535	=over 4	673	=over 4
536		674
537	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
538		676
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	790	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	791	our @CB_MAP = ();
654		792
655	my %attachment;	793	my %attachment;
656		794
		795	sub cf::attachable::thawer_merge {
		796	# simply override everything except _meta
		797	local $_[0]{_meta};
		798	%{$_[0]} = %{$_[1]};
		799	}
		800
657	sub _attach_cb($$$$) {	801	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	802	my ($registry, $event, $prio, $cb) = @_;
659		803
660	use sort 'stable';	804	use sort 'stable';
661		805
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
696		840
697	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		845
702	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	847	my $pkg = shift @arg;
704		848
705	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
735	}	879	}
736		880
737	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
738	} else {	882	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	884	}
741		885
742	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
743	}	887	}
744		888
…		…
746	if (ref $_[0]) {	890	if (ref $_[0]) {
747	_object_attach @_;	891	_object_attach @_;
748	} else {	892	} else {
749	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
750	}	894	}
		895	_recalc_want;
751	};	896	};
752		897
753	# all those should be optimised	898	# all those should be optimised
754	sub cf::attachable::detach {	899	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
759	reattach ($obj);	904	reattach ($obj);
760	} else {	905	} else {
761	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
762	}	907	}
		908	_recalc_want;
763	};	909	};
764		910
765	sub cf::attachable::attached {	911	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
767		913
…		…
782	";	928	";
783	die if $@;	929	die if $@;
784	}	930	}
785		931
786	our $override;	932	our $override;
787	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?
788		934
789	sub override {	935	sub override {
790	$override = 1;	936	$override = 1;
791	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
792	}	938	}
793		939
794	sub do_invoke {	940	sub do_invoke {
795	my $event = shift;	941	my $event = shift;
796	my $callbacks = shift;	942	my $callbacks = shift;
797		943
798	@invoke_results = ();	944	@INVOKE_RESULTS = ();
799		945
800	local $override;	946	local $override;
801		947
802	for (@$callbacks) {	948	for (@$callbacks) {
803	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
820		966
821	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
822		968
823	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
824	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
825	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		972
827	=back	973	=back
828		974
829	=cut	975	=cut
830		976
831	#############################################################################	977	#############################################################################
832	# 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	}
833		990
834	sub reattach {	991	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	993	my ($obj) = @_;
		994
		995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		996
838	my $registry = $obj->registry;	997	my $registry = $obj->registry;
839		998
840	@$registry = ();	999	@$registry = ();
841		1000
…		…
888	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
889		1048
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	1053	close $fh;
895		1054
896	if (@$objs) {	1055	if (@$objs) {
897	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) {
898	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	1061	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
904	}	1063	}
905	} else {	1064	} else {
906	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
938	or return;	1097	or return;
939	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
940	}	1099	}
941		1100
942	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
944	return ($data, $av);	1103	return ($data, $av);
945	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
946		1111
947	#############################################################################	1112	#############################################################################
948	# command handling &c	1113	# command handling &c
949		1114
950	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1129	}
965		1130
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1132
968	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.
969		1138
970	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
971	called.	1140	called.
972		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
973	=cut	1153	=cut
974		1154
975	sub register_extcmd {	1155	sub register_extcmd {
976	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
977		1157
978	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
979	}	1165	}
980		1166
981	cf::player->attach (	1167	cf::player->attach (
982	on_command => sub {	1168	on_command => sub {
983	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
992	cf::override;	1178	cf::override;
993	},	1179	},
994	on_extcmd => sub {	1180	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
996		1182
997	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1184
999	if (ref $msg) {	1185	if (ref $msg) {
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1187	if (my %reply = $cb->($pl, $msg)) {
1002	$pl->ext_reply ($msg->{msgid}, %reply);	1188	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1008		1194
1009	cf::override;	1195	cf::override;
1010	},	1196	},
1011	);	1197	);
1012		1198
1013	sub load_extension {
1014	my ($path) = @_;
1015
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017	my $base = $1;
1018	my $pkg = $1;
1019	$pkg =~ s/[^[:word:]]/_/g;
1020	$pkg = "ext::$pkg";
1021
1022	warn "... loading '$path' into '$pkg'\n";
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}
1039
1040	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
1041	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1204	next unless -r $path;
1043	eval {	1205
1044	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
1045	1	1263	}
1046	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
1047	}	1269	};
1048	}	1270	}
1049		1271
1050	#############################################################################	1272	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1273
1053	*cf::mapsupport::on_clean = sub {	1274	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1275
1066	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
1067		1277
1068	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
1069		1279
…		…
1082	Returns the given player object, loading it if necessary (might block).	1292	Returns the given player object, loading it if necessary (might block).
1083		1293
1084	=cut	1294	=cut
1085		1295
1086	sub playerdir($) {	1296	sub playerdir($) {
1087	cf::localdir	1297	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1298	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1299	}
1093		1300
1094	sub path($) {	1301	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1302	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1303
1097	(playerdir $login) . "/$login.pl"	1304	(playerdir $login) . "/playerdata"
1098	}	1305	}
1099		1306
1100	sub find_active($) {	1307	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1308	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1309	and $cf::PLAYER{$_[0]}->active
…		…
1105		1312
1106	sub exists($) {	1313	sub exists($) {
1107	my ($login) = @_;	1314	my ($login) = @_;
1108		1315
1109	$cf::PLAYER{$login}	1316	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1317	or cf::sync_job { !aio_stat path $login }
1111	}	1318	}
1112		1319
1113	sub find($) {	1320	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1321	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1322	my $login = $_[0];
1116		1323
1117	my $guard = cf::lock_acquire "user_find:$login";	1324	my $guard = cf::lock_acquire "user_find:$login";
1118		1325
1119	$cf::PLAYER{$_[0]} || do {	1326	$cf::PLAYER{$_[0]} || do {
		1327	# rename old playerfiles to new ones
		1328	#TODO: remove when no longer required
		1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1332	aio_unlink +(playerdir $login) . "/$login.pl";
		1333
1120	my $pl = load_pl path $login	1334	my $pl = load_pl path $login
1121	or return;	1335	or return;
1122	$cf::PLAYER{$login} = $pl	1336	$cf::PLAYER{$login} = $pl
1123	}	1337	}
1124	}	1338	}
…		…
1161		1375
1162	=cut	1376	=cut
1163		1377
1164	sub quit_character {	1378	sub quit_character {
1165	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
1166		1382
1167	$pl->{deny_save} = 1;	1383	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1385
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1391	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1392	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1393	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1394	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1395	$pl->destroy;
		1396
		1397	my $prefix = qr<^~\Q$name\E/>;
		1398
		1399	# nuke player maps
		1400	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1401
1180	IO::AIO::aio_rmtree $temp;	1402	IO::AIO::aio_rmtree $temp;
		1403	}
		1404
		1405	=item $pl->kick
		1406
		1407	Kicks a player out of the game. This destroys the connection.
		1408
		1409	=cut
		1410
		1411	sub kick {
		1412	my ($pl, $kicker) = @_;
		1413
		1414	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1415	$pl->killer ("kicked");
		1416	$pl->ns->destroy;
1181	}	1417	}
1182		1418
1183	=item cf::player::list_logins	1419	=item cf::player::list_logins
1184		1420
1185	Returns am arrayref of all valid playernames in the system, can take a	1421	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1187		1423
1188	=cut	1424	=cut
1189		1425
1190	sub list_logins {	1426	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1428	or return [];
1193		1429
1194	my @logins;	1430	my @logins;
1195		1431
1196	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
…		…
1205	\@logins	1441	\@logins
1206	}	1442	}
1207		1443
1208	=item $player->maps	1444	=item $player->maps
1209		1445
1210	Returns an arrayref of cf::path's of all maps that are private for this	1446	Returns an arrayref of map paths that are private for this
1211	player. May block.	1447	player. May block.
1212		1448
1213	=cut	1449	=cut
1214		1450
1215	sub maps($) {	1451	sub maps($) {
1216	my ($pl) = @_;	1452	my ($pl) = @_;
		1453
		1454	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1455
1218	my $files = aio_readdir playerdir $pl	1456	my $files = aio_readdir playerdir $pl
1219	or return;	1457	or return;
1220		1458
1221	my @paths;	1459	my @paths;
…		…
1223	for (@$files) {	1461	for (@$files) {
1224	utf8::decode $_;	1462	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1463	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1464	next unless /^$PATH_SEP/o;
1227		1465
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1466	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1467	}
1230		1468
1231	\@paths	1469	\@paths
1232	}	1470	}
1233		1471
		1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1473
		1474	Expand crossfire pod fragments into protocol xml.
		1475
		1476	=cut
		1477
		1478	sub expand_cfpod {
		1479	((my $self), (local $_)) = @_;
		1480
		1481	# escape & and <
		1482	s/&/&amp;/g;
		1483	s/(?<![BIUGH])</&lt;/g;
		1484
		1485	# this is buggy, it needs to properly take care of nested <'s
		1486
		1487	1 while
		1488	# replace B<>, I<>, U<> etc.
		1489	s/B<([^\>]*)>/<b>$1<\/b>/
		1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1492	# replace G<male|female> tags
		1493	|| s{G<([^>|]*)\|([^>]*)>}{
		1494	$self->gender ? $2 : $1
		1495	}ge
		1496	# replace H<hint text>
		1497	|| s{H<([^\>]*)>}
		1498	{
		1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1501	"")
		1502	[$self->{hintmode}]
		1503	}ge;
		1504
		1505	# create single paragraphs (very hackish)
		1506	s/(?<=\S)\n(?=\w)/ /g;
		1507
		1508	# compress some whitespace
		1509	s/\s+\n/\n/g; # ws line-ends
		1510	s/\n\n+/\n/g; # double lines
		1511	s/^\n+//; # beginning lines
		1512	s/\n+$//; # ending lines
		1513
		1514	$_
		1515	}
		1516
		1517	sub hintmode {
		1518	$_[0]{hintmode} = $_[1] if @_ > 1;
		1519	$_[0]{hintmode}
		1520	}
		1521
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1522	=item $player->ext_reply ($msgid, %msg)
1235		1523
1236	Sends an ext reply to the player.	1524	Sends an ext reply to the player.
1237		1525
1238	=cut	1526	=cut
1239		1527
1240	sub ext_reply($$$%) {	1528	sub ext_reply($$%) {
1241	my ($self, $id, %msg) = @_;	1529	my ($self, $id, %msg) = @_;
1242		1530
1243	$msg{msgid} = $id;	1531	$msg{msgid} = $id;
1244		1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1533	}
1247		1534
1248	package cf;	1535	=item $player->ext_event ($type, %msg)
		1536
		1537	Sends an ext event to the client.
		1538
		1539	=cut
		1540
		1541	sub ext_event($$%) {
		1542	my ($self, $type, %msg) = @_;
		1543
		1544	$self->ns->ext_event ($type, %msg);
		1545	}
		1546
		1547	=head3 cf::region
		1548
		1549	=over 4
		1550
		1551	=cut
		1552
		1553	package cf::region;
		1554
		1555	=item cf::region::find_by_path $path
		1556
		1557	Tries to decuce the likely region for a map knowing only its path.
		1558
		1559	=cut
		1560
		1561	sub find_by_path($) {
		1562	my ($path) = @_;
		1563
		1564	my ($match, $specificity);
		1565
		1566	for my $region (list) {
		1567	if ($region->{match} && $path =~ $region->{match}) {
		1568	($match, $specificity) = ($region, $region->specificity)
		1569	if $region->specificity > $specificity;
		1570	}
		1571	}
		1572
		1573	$match
		1574	}
1249		1575
1250	=back	1576	=back
1251
1252		1577
1253	=head3 cf::map	1578	=head3 cf::map
1254		1579
1255	=over 4	1580	=over 4
1256		1581
…		…
1259	package cf::map;	1584	package cf::map;
1260		1585
1261	use Fcntl;	1586	use Fcntl;
1262	use Coro::AIO;	1587	use Coro::AIO;
1263		1588
		1589	use overload
		1590	'""' => \&as_string,
		1591	fallback => 1;
		1592
1264	our $MAX_RESET = 3600;	1593	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1594	our $DEFAULT_RESET = 3000;
1266		1595
1267	sub generate_random_map {	1596	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1597	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1598	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1599	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1600	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1601	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1602	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1603	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1604	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1609	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1610	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1611	)
1285	}	1612	}
1286		1613
		1614	=item cf::map->register ($regex, $prio)
		1615
		1616	Register a handler for the map path matching the given regex at the
		1617	givne priority (higher is better, built-in handlers have priority 0, the
		1618	default).
		1619
		1620	=cut
		1621
		1622	sub register {
		1623	my (undef, $regex, $prio) = @_;
		1624	my $pkg = caller;
		1625
		1626	no strict;
		1627	push @{"$pkg\::ISA"}, __PACKAGE__;
		1628
		1629	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1630	}
		1631
		1632	# also paths starting with '/'
		1633	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1634
		1635	sub thawer_merge {
		1636	my ($self, $merge) = @_;
		1637
		1638	# we have to keep some variables in memory intact
		1639	local $self->{path};
		1640	local $self->{load_path};
		1641
		1642	$self->SUPER::thawer_merge ($merge);
		1643	}
		1644
		1645	sub normalise {
		1646	my ($path, $base) = @_;
		1647
		1648	$path = "$path"; # make sure its a string
		1649
		1650	$path =~ s/\.map$//;
		1651
		1652	# map plan:
		1653	#
		1654	# /! non-realised random map exit (special hack!)
		1655	# {... are special paths that are not being touched
		1656	# ?xxx/... are special absolute paths
		1657	# ?random/... random maps
		1658	# /... normal maps
		1659	# ~user/... per-player map of a specific user
		1660
		1661	$path =~ s/$PATH_SEP/\//go;
		1662
		1663	# treat it as relative path if it starts with
		1664	# something that looks reasonable
		1665	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1666	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1667
		1668	$base =~ s{[^/]+/?$}{};
		1669	$path = "$base/$path";
		1670	}
		1671
		1672	for ($path) {
		1673	redo if s{//}{/};
		1674	redo if s{/\.?/}{/};
		1675	redo if s{/[^/]+/\.\./}{/};
		1676	}
		1677
		1678	$path
		1679	}
		1680
		1681	sub new_from_path {
		1682	my (undef, $path, $base) = @_;
		1683
		1684	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1685
		1686	$path = normalise $path, $base;
		1687
		1688	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1689	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1690	my $self = bless cf::map::new, $pkg;
		1691	$self->{path} = $path; $self->path ($path);
		1692	$self->init; # pass $1 etc.
		1693	return $self;
		1694	}
		1695	}
		1696
		1697	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1698	()
		1699	}
		1700
		1701	sub init {
		1702	my ($self) = @_;
		1703
		1704	$self
		1705	}
		1706
		1707	sub as_string {
		1708	my ($self) = @_;
		1709
		1710	"$self->{path}"
		1711	}
		1712
		1713	# the displayed name, this is a one way mapping
		1714	sub visible_name {
		1715	&as_string
		1716	}
		1717
		1718	# the original (read-only) location
		1719	sub load_path {
		1720	my ($self) = @_;
		1721
		1722	"$MAPDIR/$self->{path}.map"
		1723	}
		1724
		1725	# the temporary/swap location
		1726	sub save_path {
		1727	my ($self) = @_;
		1728
		1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1730	"$TMPDIR/$path.map"
		1731	}
		1732
		1733	# the unique path, undef == no special unique path
		1734	sub uniq_path {
		1735	my ($self) = @_;
		1736
		1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1738	"$UNIQUEDIR/$path"
		1739	}
		1740
1287	# and all this just because we cannot iterate over	1741	# and all this just because we cannot iterate over
1288	# all maps in C++...	1742	# all maps in C++...
1289	sub change_all_map_light {	1743	sub change_all_map_light {
1290	my ($change) = @_;	1744	my ($change) = @_;
1291		1745
1292	$_->change_map_light ($change)	1746	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1747	for grep $_->outdoor, values %cf::MAP;
1294	}	1748	}
1295		1749
		1750	sub decay_objects {
		1751	my ($self) = @_;
		1752
		1753	return if $self->{deny_reset};
		1754
		1755	$self->do_decay_objects;
		1756	}
		1757
		1758	sub unlink_save {
		1759	my ($self) = @_;
		1760
		1761	utf8::encode (my $save = $self->save_path);
		1762	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1763	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1764	}
		1765
1296	sub load_map_header($) {	1766	sub load_header_from($) {
1297	my ($path) = @_;	1767	my ($self, $path) = @_;
1298		1768
1299	utf8::encode $path;	1769	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1770	#aio_open $path, O_RDONLY, 0
		1771	# or return;
		1772
		1773	$self->_load_header ($path)
1301	or return;	1774	or return;
1302		1775
1303	my $map = cf::map::new	1776	$self->{load_path} = $path;
		1777
		1778	1
		1779	}
		1780
		1781	sub load_header_orig {
		1782	my ($self) = @_;
		1783
		1784	$self->load_header_from ($self->load_path)
		1785	}
		1786
		1787	sub load_header_temp {
		1788	my ($self) = @_;
		1789
		1790	$self->load_header_from ($self->save_path)
		1791	}
		1792
		1793	sub prepare_temp {
		1794	my ($self) = @_;
		1795
		1796	$self->last_access ((delete $self->{last_access})
		1797	|| $cf::RUNTIME); #d#
		1798	# safety
		1799	$self->{instantiate_time} = $cf::RUNTIME
		1800	if $self->{instantiate_time} > $cf::RUNTIME;
		1801	}
		1802
		1803	sub prepare_orig {
		1804	my ($self) = @_;
		1805
		1806	$self->{load_original} = 1;
		1807	$self->{instantiate_time} = $cf::RUNTIME;
		1808	$self->last_access ($cf::RUNTIME);
		1809	$self->instantiate;
		1810	}
		1811
		1812	sub load_header {
		1813	my ($self) = @_;
		1814
		1815	if ($self->load_header_temp) {
		1816	$self->prepare_temp;
		1817	} else {
		1818	$self->load_header_orig
1304	or return;	1819	or return;
		1820	$self->prepare_orig;
		1821	}
1305		1822
1306	# for better error messages only, will be overwritten later	1823	$self->{deny_reset} = 1
1307	$map->path ($path);	1824	if $self->no_reset;
1308		1825
1309	$map->load_header ($path)	1826	$self->default_region (cf::region::find_by_path $self->{path})
1310	or return;	1827	unless $self->default_region;
1311		1828
1312	$map->{load_path} = $path;	1829	1
1313
1314	$map
1315	}	1830	}
1316		1831
1317	sub find;	1832	sub find;
1318	sub find {	1833	sub find {
1319	my ($path, $origin) = @_;	1834	my ($path, $origin) = @_;
1320		1835
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1836	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1837
1326	cf::lock_wait "map_find:$key";	1838	cf::lock_wait "map_find:$path";
1327		1839
1328	$cf::MAP{$key} || do {	1840	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1841	my $guard = cf::lock_acquire "map_find:$path";
1330		1842	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1843	or return;
1345		1844
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1845	$map->{last_save} = $cf::RUNTIME;
1358		1846
1359	Coro::cede;	1847	$map->load_header
		1848	or return;
1360		1849
1361	if ($map->should_reset) {	1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1851	# doing this can freeze the server in a sync job, obviously
		1852	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1853	$map->reset;
1363	undef $guard;	1854	undef $guard;
1364	$map = find $path	1855	return find $path;
1365	or return;
1366	}	1856	}
1367		1857
1368	$cf::MAP{$key} = $map	1858	$cf::MAP{$path} = $map
1369	}	1859	}
1370	}	1860	}
		1861
		1862	sub pre_load { }
		1863	sub post_load { }
1371		1864
1372	sub load {	1865	sub load {
1373	my ($self) = @_;	1866	my ($self) = @_;
1374		1867
		1868	local $self->{deny_reset} = 1; # loading can take a long time
		1869
1375	my $path = $self->{path};	1870	my $path = $self->{path};
		1871
		1872	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1873	my $guard = cf::lock_acquire "map_load:$path";
1377		1874
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1875	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1876
1380	$self->in_memory (cf::MAP_LOADING);	1877	$self->in_memory (cf::MAP_LOADING);
1381		1878
1382	$self->alloc;	1879	$self->alloc;
		1880
		1881	$self->pre_load;
		1882	Coro::cede;
		1883
1383	$self->load_objects ($self->{load_path}, 1)	1884	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1885	or return;
1385		1886
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1888	if delete $self->{load_original};
1388		1889
1389	if (my $uniq = $path->uniq_path) {	1890	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1891	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1892	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1893	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1894	$self->_load_objects ($uniq, 0);
1394	}	1895	}
1395	}	1896	}
1396		1897
1397	Coro::cede;	1898	Coro::cede;
1398
1399	# now do the right thing for maps	1899	# now do the right thing for maps
1400	$self->link_multipart_objects;	1900	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1901	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1902	unless $self->difficulty;
		1903	Coro::cede;
		1904
		1905	unless ($self->{deny_activate}) {
		1906	$self->decay_objects;
		1907	$self->fix_auto_apply;
		1908	$self->update_buttons;
		1909	Coro::cede;
		1910	$self->set_darkness_map;
		1911	Coro::cede;
1412	$self->activate;	1912	$self->activate;
1413	}	1913	}
1414		1914
1415	Coro::cede;
1416
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1915	$self->in_memory (cf::MAP_IN_MEMORY);
		1916	}
		1917
		1918	$self->post_load;
		1919	}
		1920
		1921	sub customise_for {
		1922	my ($self, $ob) = @_;
		1923
		1924	return find "~" . $ob->name . "/" . $self->{path}
		1925	if $self->per_player;
		1926
		1927	# return find "?party/" . $ob->name . "/" . $self->{path}
		1928	# if $self->per_party;
		1929
		1930	$self
1418	}	1931	}
1419		1932
1420	# find and load all maps in the 3x3 area around a map	1933	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1934	sub load_diag {
1422	my ($map) = @_;	1935	my ($map) = @_;
…		…
1452		1965
1453	cf::sync_job { $map->load };	1966	cf::sync_job { $map->load };
1454	}	1967	}
1455		1968
1456	our %MAP_PREFETCH;	1969	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1970	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1971
1472	sub find_async {	1972	sub find_async {
1473	my ($path, $origin) = @_;	1973	my ($path, $origin) = @_;
1474		1974
1475	$path = new cf::path $path, $origin && $origin->path;	1975	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1976
1478	if (my $map = $cf::MAP{$key}) {	1977	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1978	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1979	}
1481		1980
1482	$MAP_PREFETCH{$key} = $path;	1981	undef $MAP_PREFETCH{$path};
		1982	$MAP_PREFETCHER ||= cf::async {
		1983	while (%MAP_PREFETCH) {
		1984	for my $path (keys %MAP_PREFETCH) {
		1985	if (my $map = find $path) {
		1986	$map->load;
		1987	}
		1988
		1989	delete $MAP_PREFETCH{$path};
		1990	}
		1991	}
		1992	undef $MAP_PREFETCHER;
		1993	};
1483	$MAP_PREFETCHER->ready;	1994	$MAP_PREFETCHER->prio (6);
1484		1995
1485	()	1996	()
1486	}	1997	}
1487		1998
1488	sub save {	1999	sub save {
…		…
1492		2003
1493	$self->{last_save} = $cf::RUNTIME;	2004	$self->{last_save} = $cf::RUNTIME;
1494		2005
1495	return unless $self->dirty;	2006	return unless $self->dirty;
1496		2007
1497	my $save = $self->{path}->save_path; utf8::encode $save;	2008	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2009	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		2010
1500	$self->{load_path} = $save;	2011	$self->{load_path} = $save;
1501		2012
1502	return if $self->{deny_save};	2013	return if $self->{deny_save};
1503		2014
…		…
1506	cf::async {	2017	cf::async {
1507	$_->contr->save for $self->players;	2018	$_->contr->save for $self->players;
1508	};	2019	};
1509		2020
1510	if ($uniq) {	2021	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	2024	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2025	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	2026	}
1516	}	2027	}
1517		2028
1518	sub swap_out {	2029	sub swap_out {
1519	my ($self) = @_;	2030	my ($self) = @_;
…		…
1533		2044
1534	sub reset_at {	2045	sub reset_at {
1535	my ($self) = @_;	2046	my ($self) = @_;
1536		2047
1537	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1540		2050
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2053
…		…
1548	my ($self) = @_;	2058	my ($self) = @_;
1549		2059
1550	$self->reset_at <= $cf::RUNTIME	2060	$self->reset_at <= $cf::RUNTIME
1551	}	2061	}
1552		2062
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2063	sub reset {
1575	my ($self) = @_;	2064	my ($self) = @_;
1576		2065
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2067
1579	return if $self->players;	2068	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2069
1582	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
		2071
		2072	$self->in_memory (cf::MAP_SWAPPED);
		2073
		2074	# need to save uniques path
		2075	unless ($self->{deny_save}) {
		2076	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2077
		2078	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2079	if $uniq;
		2080	}
1583		2081
1584	delete $cf::MAP{$self->path};	2082	delete $cf::MAP{$self->path};
		2083
		2084	$self->clear;
1585		2085
1586	$_->clear_links_to ($self) for values %cf::MAP;	2086	$_->clear_links_to ($self) for values %cf::MAP;
1587		2087
1588	$self->unlink_save;	2088	$self->unlink_save;
1589	$self->destroy;	2089	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	2092	my $nuke_counter = "aaaa";
1593		2093
1594	sub nuke {	2094	sub nuke {
1595	my ($self) = @_;	2095	my ($self) = @_;
1596		2096
		2097	delete $cf::MAP{$self->path};
		2098
		2099	$self->unlink_save;
		2100
		2101	bless $self, "cf::map";
		2102	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2103	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2104	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2105	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2106
		2107	$cf::MAP{$self->path} = $self;
		2108
1600	$self->reset; # polite request, might not happen	2109	$self->reset; # polite request, might not happen
1601	}	2110	}
1602		2111
1603	sub customise_for {	2112	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2113
1606	if ($map->per_player) {	2114	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2115	maps. May block.
		2116
		2117	=cut
		2118
		2119	sub tmp_maps() {
1608	}	2120	[
		2121	map {
		2122	utf8::decode $_;
		2123	/\.map$/
		2124	? normalise $_
		2125	: ()
		2126	} @{ aio_readdir $TMPDIR or [] }
		2127	]
		2128	}
1609		2129
1610	$map	2130	=item $maps = cf::map::random_maps
		2131
		2132	Returns an arrayref with all map paths of currently instantiated and saved
		2133	random maps. May block.
		2134
		2135	=cut
		2136
		2137	sub random_maps() {
		2138	[
		2139	map {
		2140	utf8::decode $_;
		2141	/\.map$/
		2142	? normalise "?random/$_"
		2143	: ()
		2144	} @{ aio_readdir $RANDOMDIR or [] }
		2145	]
1611	}	2146	}
1612		2147
1613	=item cf::map::unique_maps	2148	=item cf::map::unique_maps
1614		2149
1615	Returns an arrayref of cf::path's of all shared maps that have	2150	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2151	instantiated unique items. May block.
1617		2152
1618	=cut	2153	=cut
1619		2154
1620	sub unique_maps() {	2155	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2156	[
1622	or return;	2157	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2158	utf8::decode $_;
1628	next if /\.pst$/;	2159	/\.map$/
1629	next unless /^$PATH_SEP/o;	2160	? normalise $_
1630		2161	: ()
1631	push @paths, new cf::path $_;	2162	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2163	]
1633
1634	\@paths
1635	}	2164	}
1636		2165
1637	package cf;	2166	package cf;
1638		2167
1639	=back	2168	=back
…		…
1685		2214
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2215	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2216
1688	if ($self->{record_replies}) {	2217	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2218	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2219
1690	} else {	2220	} else {
		2221	my $pl = $self->contr;
		2222
		2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2224	my $diag = $pl->{npc_dialog};
		2225	$diag->{pl}->ext_reply (
		2226	$diag->{id},
		2227	msgtype => "reply",
		2228	msg => $diag->{pl}->expand_cfpod ($msg),
		2229	add_topics => []
		2230	);
		2231
		2232	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2233	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2234	$self->message ($msg, $flags);
		2235	}
1693	}	2236	}
1694	}	2237	}
1695		2238
1696	=item $player_object->may ("access")	2239	=item $player_object->may ("access")
1697		2240
…		…
1711		2254
1712	=item $player_object->enter_link	2255	=item $player_object->enter_link
1713		2256
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2257	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2258
1716	The player should be reaosnably safe there for short amounts of time. You	2259	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2260	I<MUST> call C<leave_link> as soon as possible, though.
1718		2261
		2262	Will never block.
		2263
1719	=item $player_object->leave_link ($map, $x, $y)	2264	=item $player_object->leave_link ($map, $x, $y)
1720		2265
1721	Moves the player out of the specila link map onto the given map. If the	2266	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2267	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2268	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2269	fails, to the emergency map position.
1725		2270
1726	Might block.	2271	Might block.
1727		2272
1728	=cut	2273	=cut
		2274
		2275	sub link_map {
		2276	unless ($LINK_MAP) {
		2277	$LINK_MAP = cf::map::find "{link}"
		2278	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2279	$LINK_MAP->load;
		2280	}
		2281
		2282	$LINK_MAP
		2283	}
1729		2284
1730	sub cf::object::player::enter_link {	2285	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2286	my ($self) = @_;
1732		2287
1733	$self->deactivate_recursive;	2288	$self->deactivate_recursive;
1734		2289
1735	return if $self->map == $LINK_MAP;	2290	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2291
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2293	if $self->map && $self->map->{path} ne "{link}";
1739		2294
1740	$self->enter_map ($LINK_MAP, 20, 20);	2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2296	}
1742		2297
1743	sub cf::object::player::leave_link {	2298	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2299	my ($self, $map, $x, $y) = @_;
		2300
		2301	return unless $self->contr->active;
1745		2302
1746	my $link_pos = delete $self->{_link_pos};	2303	my $link_pos = delete $self->{_link_pos};
1747		2304
1748	unless ($map) {	2305	unless ($map) {
1749	# restore original map position	2306	# restore original map position
…		…
1767	$map->load;	2324	$map->load;
1768	$map->load_diag;	2325	$map->load_diag;
1769		2326
1770	return unless $self->contr->active;	2327	return unless $self->contr->active;
1771	$self->activate_recursive;	2328	$self->activate_recursive;
		2329
		2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2331	$self->enter_map ($map, $x, $y);
1773	}	2332	}
1774		2333
1775	cf::player->attach (	2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2335
1779	# abort map switching before logout	2336	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2337	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2338	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2339	the new (success) or old (failed) map position. In either case, $done will
1783	};	2340	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2341
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2342	=cut
		2343
		2344	our $GOTOGEN;
1810		2345
1811	sub cf::object::player::goto {	2346	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2347	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2348
1814	$path = new cf::path $path;	2349	# do generation counting so two concurrent goto's will be executed in-order
		2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2351
1816	$self->enter_link;	2352	$self->enter_link;
1817		2353
1818	(async {	2354	(async {
		2355	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2356	my $map = cf::map::find $path;
		2357
		2358	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2359	$map = $map->customise_for ($self);
1821		2360	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2361	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2363	}
1826		2364
		2365	$map
		2366	};
		2367
		2368	if ($@) {
		2369	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2370	LOG llevError | logBacktrace, Carp::longmess $@;
		2371	}
		2372
		2373	if ($gen == $self->{_goto_generation}) {
		2374	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2375	$self->leave_link ($map, $x, $y);
		2376	}
		2377
		2378	$done->() if $done;
1828	})->prio (1);	2379	})->prio (1);
1829	}	2380	}
1830		2381
1831	=item $player_object->enter_exit ($exit_object)	2382	=item $player_object->enter_exit ($exit_object)
1832		2383
…		…
1834		2385
1835	sub parse_random_map_params {	2386	sub parse_random_map_params {
1836	my ($spec) = @_;	2387	my ($spec) = @_;
1837		2388
1838	my $rmp = { # defaults	2389	my $rmp = { # defaults
1839	xsize => 10,	2390	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2391	ysize => (cf::rndm 15, 40),
		2392	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2393	#layout => string,
1841	};	2394	};
1842		2395
1843	for (split /\n/, $spec) {	2396	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2397	my ($k, $v) = split /\s+/, $_, 2;
1845		2398
…		…
1849	$rmp	2402	$rmp
1850	}	2403	}
1851		2404
1852	sub prepare_random_map {	2405	sub prepare_random_map {
1853	my ($exit) = @_;	2406	my ($exit) = @_;
		2407
		2408	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2409
1855	# all this does is basically replace the /! path by	2410	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2411	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2412	# that depends on the exit object
1858		2413
1859	my $rmp = parse_random_map_params $exit->msg;	2414	my $rmp = parse_random_map_params $exit->msg;
1860		2415
1861	if ($exit->map) {	2416	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2417	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2418	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2419	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2420	$rmp->{origin_y} = $exit->y;
1866	}	2421	}
1867		2422
1868	$rmp->{random_seed} ||= $exit->random_seed;	2423	$rmp->{random_seed} ||= $exit->random_seed;
1869		2424
1870	my $data = cf::to_json $rmp;	2425	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2426	my $md5 = Digest::MD5::md5_hex $data;
		2427	my $meta = "$RANDOMDIR/$md5.meta";
1872		2428
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2430	aio_write $fh, 0, (length $data), $data, 0;
		2431	undef $fh;
		2432	aio_rename "$meta~", $meta;
1875		2433
1876	$exit->slaying ("?random/$md5");	2434	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2435	$exit->msg (undef);
1878	}	2436	}
1879	}	2437	}
…		…
1881	sub cf::object::player::enter_exit {	2439	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2440	my ($self, $exit) = @_;
1883		2441
1884	return unless $self->type == cf::PLAYER;	2442	return unless $self->type == cf::PLAYER;
1885		2443
		2444	if ($exit->slaying eq "/!") {
		2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2446	# the problem is that $exit might not survive long enough
		2447	# so it needs to be done right now, right here
		2448	cf::sync_job { prepare_random_map $exit };
		2449	}
		2450
		2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2452	my $hp = $exit->stats->hp;
		2453	my $sp = $exit->stats->sp;
		2454
1886	$self->enter_link;	2455	$self->enter_link;
		2456
		2457	# if exit is damned, update players death & WoR home-position
		2458	$self->contr->savebed ($slaying, $hp, $sp)
		2459	if $exit->flag (FLAG_DAMNED);
1887		2460
1888	(async {	2461	(async {
1889	$self->deactivate_recursive; # just to be sure	2462	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2463	unless (eval {
1891	prepare_random_map $exit	2464	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2465
1897	1;	2466	1;
1898	}) {	2467	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2468	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2469	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2470	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2471	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2472
1904	warn "ERROR in enter_exit: $@";	2473	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2474	$self->leave_link;
1906	}	2475	}
1907	})->prio (1);	2476	})->prio (1);
…		…
1920		2489
1921	sub cf::client::send_drawinfo {	2490	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2491	my ($self, $text, $flags) = @_;
1923		2492
1924	utf8::encode $text;	2493	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2495	}
1927		2496
		2497	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2498
		2499	Send a drawinfo or msg packet to the client, formatting the msg for the
		2500	client if neccessary. C<$type> should be a string identifying the type of
		2501	the message, with C<log> being the default. If C<$color> is negative, suppress
		2502	the message unless the client supports the msg packet.
		2503
		2504	=cut
		2505
		2506	sub cf::client::send_msg {
		2507	my ($self, $channel, $msg, $color, @extra) = @_;
		2508
		2509	$msg = $self->pl->expand_cfpod ($msg);
		2510
		2511	$color &= ~cf::NDI_UNIQUE; # just in case...
		2512
		2513	if (ref $channel) {
		2514	# send meta info to client, if not yet sent
		2515	unless (exists $self->{channel}{$channel->{id}}) {
		2516	$self->{channel}{$channel->{id}} = $channel;
		2517	$self->ext_event (channel_info => %$channel);
		2518	}
		2519
		2520	$channel = $channel->{id};
		2521	}
		2522
		2523	return unless @extra || length $msg;
		2524
		2525	if ($self->can_msg) {
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2527	} else {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	if ($color >= 0) {
		2539	if (0 && $msg =~ /\[/) {
		2540	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2541	} else {
		2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2543	$self->send_packet ("drawinfo $color $msg")
		2544	}
		2545	}
		2546	}
		2547	}
		2548
		2549	=item $client->ext_event ($type, %msg)
		2550
		2551	Sends an ext event to the client.
		2552
		2553	=cut
		2554
		2555	sub cf::client::ext_event($$%) {
		2556	my ($self, $type, %msg) = @_;
		2557
		2558	return unless $self->extcmd;
		2559
		2560	$msg{msgtype} = "event_$type";
		2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2562	}
1928		2563
1929	=item $success = $client->query ($flags, "text", \&cb)	2564	=item $success = $client->query ($flags, "text", \&cb)
1930		2565
1931	Queues a query to the client, calling the given callback with	2566	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2567	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2568	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2569
1935	Queries can fail, so check the return code. Or don't, as queries will become	2570	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2571	become reliable at some point in the future.
1937		2572
1938	=cut	2573	=cut
1939		2574
1940	sub cf::client::query {	2575	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2576	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2584	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2585	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2586
1952	$self->send_packet ($self->{query_queue}[0][0])	2587	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2588	if @{ $self->{query_queue} } == 1;
		2589
		2590	1
1954	}	2591	}
1955		2592
1956	cf::client->attach (	2593	cf::client->attach (
		2594	on_connect => sub {
		2595	my ($ns) = @_;
		2596
		2597	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2598	},
1957	on_reply => sub {	2599	on_reply => sub {
1958	my ($ns, $msg) = @_;	2600	my ($ns, $msg) = @_;
1959		2601
1960	# this weird shuffling is so that direct followup queries	2602	# this weird shuffling is so that direct followup queries
1961	# get handled first	2603	# get handled first
1962	my $queue = delete $ns->{query_queue}	2604	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2605	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2606
1965	(shift @$queue)->[1]->($msg);	2607	(shift @$queue)->[1]->($msg);
		2608	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2609
1967	push @{ $ns->{query_queue} }, @$queue;	2610	push @{ $ns->{query_queue} }, @$queue;
1968		2611
1969	if (@{ $ns->{query_queue} } == @$queue) {	2612	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2613	if (@$queue) {
…		…
1972	} else {	2615	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2616	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2617	}
1975	}	2618	}
1976	},	2619	},
		2620	on_exticmd => sub {
		2621	my ($ns, $buf) = @_;
		2622
		2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2624
		2625	if (ref $msg) {
		2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2627	if (my %reply = $cb->($ns, $msg)) {
		2628	$reply{msgid} = $msg->{msgid};
		2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2630	}
		2631	}
		2632	} else {
		2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2634	}
		2635
		2636	cf::override;
		2637	},
1977	);	2638	);
1978		2639
1979	=item $client->async (\&cb)	2640	=item $client->async (\&cb)
1980		2641
1981	Create a new coroutine, running the specified callback. The coroutine will	2642	Create a new coroutine, running the specified callback. The coroutine will
…		…
2028		2689
2029	# here we export the classes and methods available to script code	2690	# here we export the classes and methods available to script code
2030		2691
2031	=pod	2692	=pod
2032		2693
2033	The following fucntions and emthods are available within a safe environment:	2694	The following functions and methods are available within a safe environment:
2034		2695
2035	cf::object contr pay_amount pay_player map	2696	cf::object
		2697	contr pay_amount pay_player map x y force_find force_add
		2698	insert remove
		2699
2036	cf::object::player player	2700	cf::object::player
2037	cf::player peaceful	2701	player
2038	cf::map trigger	2702
		2703	cf::player
		2704	peaceful
		2705
		2706	cf::map
		2707	trigger
2039		2708
2040	=cut	2709	=cut
2041		2710
2042	for (	2711	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2713	insert remove)],
2044	["cf::object::player" => qw(player)],	2714	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	2715	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	2716	["cf::map" => qw(trigger)],
2047	) {	2717	) {
2048	no strict 'refs';	2718	no strict 'refs';
…		…
2119	=back	2789	=back
2120		2790
2121	=cut	2791	=cut
2122		2792
2123	#############################################################################	2793	#############################################################################
		2794	# the server's init and main functions
2124		2795
2125	=head2 EXTENSION DATABASE SUPPORT	2796	sub load_facedata($) {
		2797	my ($path) = @_;
2126		2798
2127	Crossfire maintains a very simple database for extension use. It can	2799	warn "loading facedata from $path\n";
2128	currently store anything that can be serialised using Storable, which
2129	excludes objects.
2130		2800
2131	The parameter C<$family> should best start with the name of the extension	2801	my $facedata;
2132	using it, it should be unique.	2802	0 < aio_load $path, $facedata
		2803	or die "$path: $!";
2133		2804
2134	=over 4	2805	$facedata = Coro::Storable::thaw $facedata;
2135		2806
2136	=item $hashref = cf::db_get $family	2807	$facedata->{version} == 2
		2808	or cf::cleanup "$path: version mismatch, cannot proceed.";
2137		2809
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key
2143
2144	Returns a single value from the database
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}	2810	{
		2811	my $faces = $facedata->{faceinfo};
2174		2812
2175	my $pid;	2813	while (my ($face, $info) = each %$faces) {
		2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2815	cf::face::set_visibility $idx, $info->{visibility};
		2816	cf::face::set_magicmap $idx, $info->{magicmap};
		2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2176		2819
2177	sub db_save() {	2820	cf::cede_to_tick;
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});
2197
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {
2204	@_ >= 2
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208
2209	sub db_put($$;$) {
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2821	}
2223	);
2224	}
2225		2822
2226	#############################################################################	2823	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2824	next unless $info->{smooth};
		2825	my $idx = cf::face::find $face
		2826	or next;
		2827	if (my $smooth = cf::face::find $info->{smooth}) {
		2828	cf::face::set_smooth $idx, $smooth;
		2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2830	} else {
		2831	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2832	}
		2833
		2834	cf::cede_to_tick;
		2835	}
		2836	}
		2837
		2838	{
		2839	my $anims = $facedata->{animinfo};
		2840
		2841	while (my ($anim, $info) = each %$anims) {
		2842	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2843	cf::cede_to_tick;
		2844	}
		2845
		2846	cf::anim::invalidate_all; # d'oh
		2847	}
		2848
		2849	{
		2850	# TODO: for gcfclient pleasure, we should give resources
		2851	# that gcfclient doesn't grok a >10000 face index.
		2852	my $res = $facedata->{resource};
		2853	my $enc = JSON::XS->new->utf8->canonical;
		2854
		2855	while (my ($name, $info) = each %$res) {
		2856	my $meta = $enc->encode ({
		2857	name => $name,
		2858	type => $info->{type},
		2859	copyright => $info->{copyright}, #TODO#
		2860	});
		2861
		2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2863
		2864	if ($name =~ /\.jpg$/) {
		2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2867	} else {
		2868	my $data = pack "(w/a*)*", $meta, $info->{data};
		2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2870
		2871	cf::face::set_type $idx, 1;
		2872	cf::face::set_data $idx, 0, $data, $chk;
		2873	}
		2874
		2875	cf::cede_to_tick;
		2876	}
		2877	}
		2878
		2879	1
		2880	}
		2881
		2882	sub reload_regions {
		2883	load_resource_file "$MAPDIR/regions"
		2884	or die "unable to load regions file\n";
		2885
		2886	for (cf::region::list) {
		2887	$_->{match} = qr/$_->{match}/
		2888	if exists $_->{match};
		2889	}
		2890	}
		2891
		2892	sub reload_facedata {
		2893	load_facedata "$DATADIR/facedata"
		2894	or die "unable to load facedata\n";
		2895	}
		2896
		2897	sub reload_archetypes {
		2898	load_resource_file "$DATADIR/archetypes"
		2899	or die "unable to load archetypes\n";
		2900	#d# NEED to laod twice to resolve forward references
		2901	# this really needs to be done in an extra post-pass
		2902	# (which needs to be synchronous, so solve it differently)
		2903	load_resource_file "$DATADIR/archetypes"
		2904	or die "unable to load archetypes\n";
		2905	}
		2906
		2907	sub reload_treasures {
		2908	load_resource_file "$DATADIR/treasures"
		2909	or die "unable to load treasurelists\n";
		2910	}
		2911
		2912	sub reload_resources {
		2913	warn "reloading resource files...\n";
		2914
		2915	reload_regions;
		2916	reload_facedata;
		2917	#reload_archetypes;#d#
		2918	reload_archetypes;
		2919	reload_treasures;
		2920
		2921	warn "finished reloading resource files\n";
		2922	}
		2923
		2924	sub init {
		2925	reload_resources;
		2926	}
2228		2927
2229	sub cfg_load {	2928	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2929	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2930	or return;
2232		2931
2233	local $/;	2932	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2933	*CFG = YAML::Syck::Load <$fh>;
2235		2934
…		…
2249		2948
2250	sub main {	2949	sub main {
2251	# we must not ever block the main coroutine	2950	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2951	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2952	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2953	(async {
2254	async { Event::one_event };	2954	Event::one_event;
		2955	})->prio (Coro::PRIO_MAX);
2255	};	2956	};
2256		2957
2257	cfg_load;	2958	cfg_load;
2258	db_load;	2959	db_init;
2259	load_extensions;	2960	load_extensions;
		2961
		2962	$TICK_WATCHER->start;
2260	Event::loop;	2963	Event::loop;
2261	}	2964	}
2262		2965
2263	#############################################################################	2966	#############################################################################
2264	# initialisation and cleanup	2967	# initialisation and cleanup
2265		2968
2266	# install some emergency cleanup handlers	2969	# install some emergency cleanup handlers
2267	BEGIN {	2970	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2971	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2972	Event->signal (
		2973	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2974	data => WF_AUTOCANCEL,
2271	signal => $signal,	2975	signal => $signal,
		2976	prio => 0,
2272	cb => sub {	2977	cb => sub {
2273	cf::cleanup "SIG$signal";	2978	cf::cleanup "SIG$signal";
2274	},	2979	},
2275	);	2980	);
2276	}	2981	}
2277	}	2982	}
2278		2983
		2984	sub write_runtime {
		2985	my $runtime = "$LOCALDIR/runtime";
		2986
		2987	# first touch the runtime file to show we are still running:
		2988	# the fsync below can take a very very long time.
		2989
		2990	IO::AIO::aio_utime $runtime, undef, undef;
		2991
		2992	my $guard = cf::lock_acquire "write_runtime";
		2993
		2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2995	or return;
		2996
		2997	my $value = $cf::RUNTIME + 90 + 10;
		2998	# 10 is the runtime save interval, for a monotonic clock
		2999	# 60 allows for the watchdog to kill the server.
		3000
		3001	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3002	and return;
		3003
		3004	# always fsync - this file is important
		3005	aio_fsync $fh
		3006	and return;
		3007
		3008	# touch it again to show we are up-to-date
		3009	aio_utime $fh, undef, undef;
		3010
		3011	close $fh
		3012	or return;
		3013
		3014	aio_rename "$runtime~", $runtime
		3015	and return;
		3016
		3017	warn "runtime file written.\n";
		3018
		3019	1
		3020	}
		3021
2279	sub emergency_save() {	3022	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3023	my $freeze_guard = cf::freeze_mainloop;
2281		3024
2282	warn "enter emergency perl save\n";	3025	warn "enter emergency perl save\n";
2283		3026
2284	cf::sync_job {	3027	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	3028	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3029	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3030	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3031	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	3032	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3033	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3034	$pl->valid or next;
2292	$pl->save;	3035	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	3041	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3042	$map->valid or next;
2300	$map->save;	3043	$map->save;
2301	}	3044	}
2302	warn "end emergency map save\n";	3045	warn "end emergency map save\n";
		3046
		3047	warn "begin emergency database checkpoint\n";
		3048	BDB::db_env_txn_checkpoint $DB_ENV;
		3049	warn "end emergency database checkpoint\n";
2303	};	3050	};
2304		3051
2305	warn "leave emergency perl save\n";	3052	warn "leave emergency perl save\n";
2306	}	3053	}
2307		3054
		3055	sub post_cleanup {
		3056	my ($make_core) = @_;
		3057
		3058	warn Carp::longmess "post_cleanup backtrace"
		3059	if $make_core;
		3060	}
		3061
2308	sub reload() {	3062	sub do_reload_perl() {
2309	# can/must only be called in main	3063	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3064	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3065	warn "can only reload from main coroutine";
2312	return;	3066	return;
2313	}	3067	}
2314		3068
2315	warn "reloading...";	3069	warn "reloading...";
2316		3070
2317	warn "freezing server";	3071	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3072
		3073	cf::sync_job {
		3074	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3075	cf::emergency_save;
		3076	cf::write_runtime; # external watchdog should not bark
2320		3077
2321	warn "sync database to disk";	3078	warn "syncing database to disk";
2322	cf::db_sync;	3079	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3080
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3081	# if anything goes wrong in here, we should simply crash as we already saved
2327		3082
2328	warn "cancel all watchers";	3083	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	3084	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3085	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	3086	}
2332		3087
		3088	warn "flushing outstanding aio requests";
		3089	for (;;) {
		3090	BDB::flush;
		3091	IO::AIO::flush;
		3092	Coro::cede;
		3093	last unless IO::AIO::nreqs || BDB::nreqs;
		3094	warn "iterate...";
		3095	}
		3096
		3097	++$RELOAD;
		3098
2333	warn "cancel all extension coros";	3099	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	3100	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3101	%EXT_CORO = ();
2336		3102
2337	warn "remove commands";	3103	warn "removing commands";
2338	%COMMAND = ();	3104	%COMMAND = ();
2339		3105
2340	warn "remove ext commands";	3106	warn "removing ext/exti commands";
2341	%EXTCMD = ();	3107	%EXTCMD = ();
		3108	%EXTICMD = ();
2342		3109
2343	warn "unload/nuke all extensions";	3110	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3111	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3112	warn "... unloading $pkg";
2346		3113
2347	if (my $cb = $pkg->can ("unload")) {	3114	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3115	eval {
…		…
2353		3120
2354	warn "... nuking $pkg";	3121	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	3122	Symbol::delete_package $pkg;
2356	}	3123	}
2357		3124
2358	warn "unload all perl modules loaded from $LIBDIR";	3125	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3126	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3127	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3128
2362	warn "removing <$k>";	3129	warn "... unloading $k";
2363	delete $INC{$k};	3130	delete $INC{$k};
2364		3131
2365	$k =~ s/\.pm$//;	3132	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3133	$k =~ s/\//::/g;
2367		3134
…		…
2370	}	3137	}
2371		3138
2372	Symbol::delete_package $k;	3139	Symbol::delete_package $k;
2373	}	3140	}
2374		3141
2375	warn "get rid of safe::, as good as possible";	3142	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3143	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3145
2379	warn "unload cf.pm \"a bit\"";	3146	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3147	delete $INC{"cf.pm"};
		3148	delete $INC{"cf/pod.pm"};
2381		3149
2382	# don't, removes xs symbols, too,	3150	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3151	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3152	#Symbol::delete_package __PACKAGE__;
2385		3153
		3154	warn "unload completed, starting to reload now";
		3155
2386	warn "reloading cf.pm";	3156	warn "reloading cf.pm";
2387	require cf;	3157	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3158	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3159
2390	warn "load config and database again";	3160	warn "loading config and database again";
2391	cf::cfg_load;	3161	cf::cfg_load;
2392	cf::db_load;
2393		3162
2394	warn "load extensions";	3163	warn "loading extensions";
2395	cf::load_extensions;	3164	cf::load_extensions;
2396		3165
2397	warn "reattach attachments to objects/players";	3166	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3167	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3168	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3169	reattach $_ for values %MAP;
2401	};	3170	warn "reattaching attachments to players";
		3171	reattach $_ for values %PLAYER;
2402		3172
2403	if ($@) {	3173	warn "leaving sync_job";
		3174
		3175	1
		3176	} or do {
2404	warn $@;	3177	warn $@;
2405	warn "error while reloading, exiting.";	3178	warn "error while reloading, exiting.";
2406	exit 1;	3179	exit 1;
2407	}	3180	};
2408		3181
2409	warn "reloaded";	3182	warn "reloaded";
2410	};	3183	};
2411		3184
2412	#############################################################################	3185	our $RELOAD_WATCHER; # used only during reload
2413		3186
2414	unless ($LINK_MAP) {	3187	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3188	# doing reload synchronously and two reloads happen back-to-back,
		3189	# coro crashes during coro_state_free->destroy here.
2416		3190
2417	$LINK_MAP->width (41);	3191	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3192	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	3193	after => 0,
		3194	data => WF_AUTOCANCEL,
2427	cb => sub {	3195	cb => sub {
2428	$_[0]->w->cancel;	3196	do_reload_perl;
2429		3197	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	3198	},
2448		3199	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3200	}
2454		3201
2455	register_command "reload" => sub {	3202	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3203	my ($who, $arg) = @_;
2457		3204
2458	if ($who->flag (FLAG_WIZ)) {	3205	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3206	$who->message ("reloading server.");
		3207	async { reload_perl };
2462	}	3208	}
2463	};	3209	};
2464		3210
2465	unshift @INC, $LIBDIR;	3211	unshift @INC, $LIBDIR;
2466		3212
		3213	my $bug_warning = 0;
		3214
		3215	our @WAIT_FOR_TICK;
		3216	our @WAIT_FOR_TICK_BEGIN;
		3217
		3218	sub wait_for_tick {
		3219	return unless $TICK_WATCHER->is_active;
		3220	return if $Coro::current == $Coro::main;
		3221
		3222	my $signal = new Coro::Signal;
		3223	push @WAIT_FOR_TICK, $signal;
		3224	$signal->wait;
		3225	}
		3226
		3227	sub wait_for_tick_begin {
		3228	return unless $TICK_WATCHER->is_active;
		3229	return if $Coro::current == $Coro::main;
		3230
		3231	my $signal = new Coro::Signal;
		3232	push @WAIT_FOR_TICK_BEGIN, $signal;
		3233	$signal->wait;
		3234	}
		3235
		3236	my $min = 1e6;#d#
		3237	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3238	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3239	reentrant => 0,
		3240	parked => 1,
2469	prio => 0,	3241	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3242	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3243	data => WF_AUTOCANCEL,
2472	cb => sub {	3244	cb => sub {
		3245	if ($Coro::current != $Coro::main) {
		3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3247	unless ++$bug_warning > 10;
		3248	return;
		3249	}
		3250
		3251	$NOW = $tick_start = Event::time;
		3252
2473	cf::server_tick; # one server iteration	3253	cf::server_tick; # one server iteration
		3254
		3255	0 && sync_job {#d#
		3256	for(1..10) {
		3257	my $t = Event::time;
		3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3259	or die;
		3260
		3261	$map->width (50);
		3262	$map->height (50);
		3263	$map->alloc;
		3264	$map->_load_objects ("/tmp/x.map", 1);
		3265	my $t = Event::time - $t;
		3266
		3267	#next unless $t < 0.0013;#d#
		3268	if ($t < $min) {
		3269	$min = $t;
		3270	}
		3271	$avg = $avg * 0.99 + $t * 0.01;
		3272	}
		3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3274	exit 0;
		3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3276	};
		3277
2474	$RUNTIME += $TICK;	3278	$RUNTIME += $TICK;
2475	$NEXT_TICK += $TICK;	3279	$NEXT_TICK += $TICK;
2476		3280
2477	$WAIT_FOR_TICK->broadcast;	3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2478	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3283	Coro::async_pool {
		3284	write_runtime
		3285	or warn "ERROR: unable to write runtime file: $!";
		3286	};
		3287	}
		3288
		3289	# my $AFTER = Event::time;
		3290	# warn $AFTER - $NOW;#d#
		3291
		3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3293	$sig->send;
		3294	}
		3295	while (my $sig = shift @WAIT_FOR_TICK) {
		3296	$sig->send;
		3297	}
		3298
		3299	$NOW = Event::time;
2479		3300
2480	# if we are delayed by four ticks or more, skip them all	3301	# if we are delayed by four ticks or more, skip them all
2481	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2482		3303
2483	$TICK_WATCHER->at ($NEXT_TICK);	3304	$TICK_WATCHER->at ($NEXT_TICK);
2484	$TICK_WATCHER->start;	3305	$TICK_WATCHER->start;
		3306
		3307	$LOAD = ($NOW - $tick_start) / $TICK;
		3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3309
		3310	_post_tick;
		3311
		3312
2485	},	3313	},
2486	);	3314	);
2487		3315
		3316	{
2488	IO::AIO::max_poll_time $TICK * 0.2;	3317	BDB::max_poll_time $TICK * 0.1;
2489		3318	$BDB_POLL_WATCHER = Event->io (
2490	Event->io (	3319	reentrant => 0,
2491	fd => IO::AIO::poll_fileno,	3320	fd => BDB::poll_fileno,
2492	poll => 'r',	3321	poll => 'r',
2493	prio => 5,	3322	prio => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => \&IO::AIO::poll_cb,
2496	);
2497
2498	Event->timer (
2499	data => WF_AUTOCANCEL,	3323	data => WF_AUTOCANCEL,
2500	after => 0,	3324	cb => \&BDB::poll_cb,
2501	interval => 10,	3325	);
2502	cb => sub {	3326	BDB::min_parallel 8;
2503	(Coro::unblock_sub {	3327
2504	write_runtime	3328	BDB::set_sync_prepare {
2505	or warn "ERROR: unable to write runtime file: $!";	3329	my $status;
		3330	my $current = $Coro::current;
		3331	(
		3332	sub {
		3333	$status = $!;
		3334	$current->ready; undef $current;
		3335	},
		3336	sub {
		3337	Coro::schedule while defined $current;
		3338	$! = $status;
		3339	},
		3340	)
		3341	};
		3342
		3343	unless ($DB_ENV) {
		3344	$DB_ENV = BDB::db_env_create;
		3345
		3346	cf::sync_job {
		3347	eval {
		3348	BDB::db_env_open
		3349	$DB_ENV,
		3350	$BDBDIR,
		3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3353	0666;
		3354
		3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3356
		3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3358	$DB_ENV->set_lk_detect;
		3359	};
		3360
		3361	cf::cleanup "db_env_open(db): $@" if $@;
2506	})->();	3362	};
2507	},	3363	}
2508	);	3364	}
		3365
		3366	{
		3367	IO::AIO::min_parallel 8;
		3368
		3369	undef $Coro::AIO::WATCHER;
		3370	IO::AIO::max_poll_time $TICK * 0.1;
		3371	$AIO_POLL_WATCHER = Event->io (
		3372	reentrant => 0,
		3373	data => WF_AUTOCANCEL,
		3374	fd => IO::AIO::poll_fileno,
		3375	poll => 'r',
		3376	prio => 6,
		3377	cb => \&IO::AIO::poll_cb,
		3378	);
		3379	}
		3380
		3381	my $_log_backtrace;
		3382
		3383	sub _log_backtrace {
		3384	my ($msg, @addr) = @_;
		3385
		3386	$msg =~ s/\n//;
		3387
		3388	# limit the # of concurrent backtraces
		3389	if ($_log_backtrace < 2) {
		3390	++$_log_backtrace;
		3391	async {
		3392	my @bt = fork_call {
		3393	@addr = map { sprintf "%x", $_ } @addr;
		3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3396	or die "addr2line: $!";
		3397
		3398	my @funcs;
		3399	my @res = <$fh>;
		3400	chomp for @res;
		3401	while (@res) {
		3402	my ($func, $line) = splice @res, 0, 2, ();
		3403	push @funcs, "[$func] $line";
		3404	}
		3405
		3406	@funcs
		3407	};
		3408
		3409	LOG llevInfo, "[ABT] $msg\n";
		3410	LOG llevInfo, "[ABT] $_\n" for @bt;
		3411	--$_log_backtrace;
		3412	};
		3413	} else {
		3414	LOG llevInfo, "[ABT] $msg\n";
		3415	LOG llevInfo, "[ABT] [suppressed]\n";
		3416	}
		3417	}
		3418
		3419	# load additional modules
		3420	use cf::pod;
2509		3421
2510	END { cf::emergency_save }	3422	END { cf::emergency_save }
2511		3423
2512	1	3424	1
2513		3425

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