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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.317 by root, Mon Jul 23 23:38:17 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) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
1002	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
1003	}	1195	if $reply;
1004	}	1196	}
1005	} else {	1197	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1199	}
1008		1200
1009	cf::override;	1201	cf::override;
1010	},	1202	},
1011	);	1203	);
1012		1204
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 {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
1041	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1210	next unless -r $path;
1043	eval {	1211
1044	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
1045	1	1269	}
1046	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
1047	}	1275	};
1048	}	1276	}
1049		1277
1050	#############################################################################	1278	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1279
1053	*cf::mapsupport::on_clean = sub {	1280	=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		1281
1066	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
1067		1283
1068	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
1069		1285
…		…
1082	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
1083		1299
1084	=cut	1300	=cut
1085		1301
1086	sub playerdir($) {	1302	sub playerdir($) {
1087	cf::localdir	1303	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1305	}
1093		1306
1094	sub path($) {	1307	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1309
1097	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
1098	}	1311	}
1099		1312
1100	sub find_active($) {	1313	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
1105		1318
1106	sub exists($) {	1319	sub exists($) {
1107	my ($login) = @_;	1320	my ($login) = @_;
1108		1321
1109	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
1111	}	1324	}
1112		1325
1113	sub find($) {	1326	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1328	my $login = $_[0];
1116		1329
1117	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
1118		1331
1119	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
1120	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
1121	or return;	1341	or return;
1122	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
1123	}	1343	}
1124	}	1344	}
…		…
1161		1381
1162	=cut	1382	=cut
1163		1383
1164	sub quit_character {	1384	sub quit_character {
1165	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1166		1388
1167	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1390	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1391
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1401	$pl->destroy;
		1402
		1403	my $prefix = qr<^~\Q$name\E/>;
		1404
		1405	# nuke player maps
		1406	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1407
1180	IO::AIO::aio_rmtree $temp;	1408	IO::AIO::aio_rmtree $temp;
		1409	}
		1410
		1411	=item $pl->kick
		1412
		1413	Kicks a player out of the game. This destroys the connection.
		1414
		1415	=cut
		1416
		1417	sub kick {
		1418	my ($pl, $kicker) = @_;
		1419
		1420	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1421	$pl->killer ("kicked");
		1422	$pl->ns->destroy;
1181	}	1423	}
1182		1424
1183	=item cf::player::list_logins	1425	=item cf::player::list_logins
1184		1426
1185	Returns am arrayref of all valid playernames in the system, can take a	1427	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1187		1429
1188	=cut	1430	=cut
1189		1431
1190	sub list_logins {	1432	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1434	or return [];
1193		1435
1194	my @logins;	1436	my @logins;
1195		1437
1196	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1205	\@logins	1447	\@logins
1206	}	1448	}
1207		1449
1208	=item $player->maps	1450	=item $player->maps
1209		1451
1210	Returns an arrayref of cf::path's of all maps that are private for this	1452	Returns an arrayref of map paths that are private for this
1211	player. May block.	1453	player. May block.
1212		1454
1213	=cut	1455	=cut
1214		1456
1215	sub maps($) {	1457	sub maps($) {
1216	my ($pl) = @_;	1458	my ($pl) = @_;
		1459
		1460	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1461
1218	my $files = aio_readdir playerdir $pl	1462	my $files = aio_readdir playerdir $pl
1219	or return;	1463	or return;
1220		1464
1221	my @paths;	1465	my @paths;
…		…
1223	for (@$files) {	1467	for (@$files) {
1224	utf8::decode $_;	1468	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1469	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1470	next unless /^$PATH_SEP/o;
1227		1471
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1472	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1473	}
1230		1474
1231	\@paths	1475	\@paths
1232	}	1476	}
1233		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1235		1529
1236	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1237		1531
1238	=cut	1532	=cut
1239		1533
1240	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1242		1536
1243	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1244		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1245	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1246	}	1544	}
1247		1545
1248	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1249		1586
1250	=back	1587	=back
1251
1252		1588
1253	=head3 cf::map	1589	=head3 cf::map
1254		1590
1255	=over 4	1591	=over 4
1256		1592
…		…
1259	package cf::map;	1595	package cf::map;
1260		1596
1261	use Fcntl;	1597	use Fcntl;
1262	use Coro::AIO;	1598	use Coro::AIO;
1263		1599
		1600	use overload
		1601	'""' => \&as_string,
		1602	fallback => 1;
		1603
1264	our $MAX_RESET = 3600;	1604	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1605	our $DEFAULT_RESET = 3000;
1266		1606
1267	sub generate_random_map {	1607	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1608	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1609	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1610	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1614	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1615	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1622	)
1285	}	1623	}
1286		1624
		1625	=item cf::map->register ($regex, $prio)
		1626
		1627	Register a handler for the map path matching the given regex at the
		1628	givne priority (higher is better, built-in handlers have priority 0, the
		1629	default).
		1630
		1631	=cut
		1632
		1633	sub register {
		1634	my (undef, $regex, $prio) = @_;
		1635	my $pkg = caller;
		1636
		1637	no strict;
		1638	push @{"$pkg\::ISA"}, __PACKAGE__;
		1639
		1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1641	}
		1642
		1643	# also paths starting with '/'
		1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1645
		1646	sub thawer_merge {
		1647	my ($self, $merge) = @_;
		1648
		1649	# we have to keep some variables in memory intact
		1650	local $self->{path};
		1651	local $self->{load_path};
		1652
		1653	$self->SUPER::thawer_merge ($merge);
		1654	}
		1655
		1656	sub normalise {
		1657	my ($path, $base) = @_;
		1658
		1659	$path = "$path"; # make sure its a string
		1660
		1661	$path =~ s/\.map$//;
		1662
		1663	# map plan:
		1664	#
		1665	# /! non-realised random map exit (special hack!)
		1666	# {... are special paths that are not being touched
		1667	# ?xxx/... are special absolute paths
		1668	# ?random/... random maps
		1669	# /... normal maps
		1670	# ~user/... per-player map of a specific user
		1671
		1672	$path =~ s/$PATH_SEP/\//go;
		1673
		1674	# treat it as relative path if it starts with
		1675	# something that looks reasonable
		1676	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1677	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1678
		1679	$base =~ s{[^/]+/?$}{};
		1680	$path = "$base/$path";
		1681	}
		1682
		1683	for ($path) {
		1684	redo if s{//}{/};
		1685	redo if s{/\.?/}{/};
		1686	redo if s{/[^/]+/\.\./}{/};
		1687	}
		1688
		1689	$path
		1690	}
		1691
		1692	sub new_from_path {
		1693	my (undef, $path, $base) = @_;
		1694
		1695	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1696
		1697	$path = normalise $path, $base;
		1698
		1699	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1700	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1701	my $self = bless cf::map::new, $pkg;
		1702	$self->{path} = $path; $self->path ($path);
		1703	$self->init; # pass $1 etc.
		1704	return $self;
		1705	}
		1706	}
		1707
		1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1709	()
		1710	}
		1711
		1712	sub init {
		1713	my ($self) = @_;
		1714
		1715	$self
		1716	}
		1717
		1718	sub as_string {
		1719	my ($self) = @_;
		1720
		1721	"$self->{path}"
		1722	}
		1723
		1724	# the displayed name, this is a one way mapping
		1725	sub visible_name {
		1726	&as_string
		1727	}
		1728
		1729	# the original (read-only) location
		1730	sub load_path {
		1731	my ($self) = @_;
		1732
		1733	"$MAPDIR/$self->{path}.map"
		1734	}
		1735
		1736	# the temporary/swap location
		1737	sub save_path {
		1738	my ($self) = @_;
		1739
		1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1741	"$TMPDIR/$path.map"
		1742	}
		1743
		1744	# the unique path, undef == no special unique path
		1745	sub uniq_path {
		1746	my ($self) = @_;
		1747
		1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1749	"$UNIQUEDIR/$path"
		1750	}
		1751
1287	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1288	# all maps in C++...	1753	# all maps in C++...
1289	sub change_all_map_light {	1754	sub change_all_map_light {
1290	my ($change) = @_;	1755	my ($change) = @_;
1291		1756
1292	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1294	}	1759	}
1295		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
		1769	sub unlink_save {
		1770	my ($self) = @_;
		1771
		1772	utf8::encode (my $save = $self->save_path);
		1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1774	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1775	}
		1776
1296	sub load_map_header($) {	1777	sub load_header_from($) {
1297	my ($path) = @_;	1778	my ($self, $path) = @_;
1298		1779
1299	utf8::encode $path;	1780	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1781	#aio_open $path, O_RDONLY, 0
		1782	# or return;
		1783
		1784	$self->_load_header ($path)
1301	or return;	1785	or return;
1302		1786
1303	my $map = cf::map::new	1787	$self->{load_path} = $path;
		1788
		1789	1
		1790	}
		1791
		1792	sub load_header_orig {
		1793	my ($self) = @_;
		1794
		1795	$self->load_header_from ($self->load_path)
		1796	}
		1797
		1798	sub load_header_temp {
		1799	my ($self) = @_;
		1800
		1801	$self->load_header_from ($self->save_path)
		1802	}
		1803
		1804	sub prepare_temp {
		1805	my ($self) = @_;
		1806
		1807	$self->last_access ((delete $self->{last_access})
		1808	|| $cf::RUNTIME); #d#
		1809	# safety
		1810	$self->{instantiate_time} = $cf::RUNTIME
		1811	if $self->{instantiate_time} > $cf::RUNTIME;
		1812	}
		1813
		1814	sub prepare_orig {
		1815	my ($self) = @_;
		1816
		1817	$self->{load_original} = 1;
		1818	$self->{instantiate_time} = $cf::RUNTIME;
		1819	$self->last_access ($cf::RUNTIME);
		1820	$self->instantiate;
		1821	}
		1822
		1823	sub load_header {
		1824	my ($self) = @_;
		1825
		1826	if ($self->load_header_temp) {
		1827	$self->prepare_temp;
		1828	} else {
		1829	$self->load_header_orig
1304	or return;	1830	or return;
		1831	$self->prepare_orig;
		1832	}
1305		1833
1306	# for better error messages only, will be overwritten later	1834	$self->{deny_reset} = 1
1307	$map->path ($path);	1835	if $self->no_reset;
1308		1836
1309	$map->load_header ($path)	1837	$self->default_region (cf::region::find_by_path $self->{path})
1310	or return;	1838	unless $self->default_region;
1311		1839
1312	$map->{load_path} = $path;	1840	1
1313
1314	$map
1315	}	1841	}
1316		1842
1317	sub find;	1843	sub find;
1318	sub find {	1844	sub find {
1319	my ($path, $origin) = @_;	1845	my ($path, $origin) = @_;
1320		1846
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1847	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1848
1326	cf::lock_wait "map_find:$key";	1849	cf::lock_wait "map_find:$path";
1327		1850
1328	$cf::MAP{$key} || do {	1851	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1852	my $guard = cf::lock_acquire "map_find:$path";
1330		1853	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;	1854	or return;
1345		1855
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;	1856	$map->{last_save} = $cf::RUNTIME;
1358		1857
1359	Coro::cede;	1858	$map->load_header
		1859	or return;
1360		1860
1361	if ($map->should_reset) {	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1862	# doing this can freeze the server in a sync job, obviously
		1863	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1864	$map->reset;
1363	undef $guard;	1865	undef $guard;
1364	$map = find $path	1866	return find $path;
1365	or return;
1366	}	1867	}
1367		1868
1368	$cf::MAP{$key} = $map	1869	$cf::MAP{$path} = $map
1369	}	1870	}
1370	}	1871	}
		1872
		1873	sub pre_load { }
		1874	sub post_load { }
1371		1875
1372	sub load {	1876	sub load {
1373	my ($self) = @_;	1877	my ($self) = @_;
1374		1878
		1879	local $self->{deny_reset} = 1; # loading can take a long time
		1880
1375	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1884	my $guard = cf::lock_acquire "map_load:$path";
1377		1885
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1887
1380	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1381		1889
1382	$self->alloc;	1890	$self->alloc;
		1891
		1892	$self->pre_load;
		1893	Coro::cede;
		1894
1383	$self->load_objects ($self->{load_path}, 1)	1895	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1896	or return;
1385		1897
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1899	if delete $self->{load_original};
1388		1900
1389	if (my $uniq = $path->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1902	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1903	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1904	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1905	$self->_load_objects ($uniq, 0);
1394	}	1906	}
1395	}	1907	}
1396		1908
1397	Coro::cede;	1909	Coro::cede;
1398
1399	# now do the right thing for maps	1910	# now do the right thing for maps
1400	$self->link_multipart_objects;	1911	$self->link_multipart_objects;
1401
1402	if ($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)	1912	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1913	unless $self->difficulty;
		1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1412	$self->activate;	1923	$self->activate;
1413	}	1924	}
1414		1925
1415	Coro::cede;
1416
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1926	$self->in_memory (cf::MAP_IN_MEMORY);
		1927	}
		1928
		1929	$self->post_load;
		1930	}
		1931
		1932	sub customise_for {
		1933	my ($self, $ob) = @_;
		1934
		1935	return find "~" . $ob->name . "/" . $self->{path}
		1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
		1940
		1941	$self
1418	}	1942	}
1419		1943
1420	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1945	sub load_diag {
1422	my ($map) = @_;	1946	my ($map) = @_;
…		…
1452		1976
1453	cf::sync_job { $map->load };	1977	cf::sync_job { $map->load };
1454	}	1978	}
1455		1979
1456	our %MAP_PREFETCH;	1980	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1981	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	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1982
1472	sub find_async {	1983	sub find_async {
1473	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1474		1985
1475	$path = new cf::path $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1987
1478	if (my $map = $cf::MAP{$key}) {	1988	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1990	}
1481		1991
1482	$MAP_PREFETCH{$key} = $path;	1992	undef $MAP_PREFETCH{$path};
		1993	$MAP_PREFETCHER ||= cf::async {
		1994	while (%MAP_PREFETCH) {
		1995	for my $path (keys %MAP_PREFETCH) {
		1996	if (my $map = find $path) {
		1997	$map->load;
		1998	}
		1999
		2000	delete $MAP_PREFETCH{$path};
		2001	}
		2002	}
		2003	undef $MAP_PREFETCHER;
		2004	};
1483	$MAP_PREFETCHER->ready;	2005	$MAP_PREFETCHER->prio (6);
1484		2006
1485	()	2007	()
1486	}	2008	}
1487		2009
1488	sub save {	2010	sub save {
…		…
1492		2014
1493	$self->{last_save} = $cf::RUNTIME;	2015	$self->{last_save} = $cf::RUNTIME;
1494		2016
1495	return unless $self->dirty;	2017	return unless $self->dirty;
1496		2018
1497	my $save = $self->{path}->save_path; utf8::encode $save;	2019	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2020	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		2021
1500	$self->{load_path} = $save;	2022	$self->{load_path} = $save;
1501		2023
1502	return if $self->{deny_save};	2024	return if $self->{deny_save};
1503		2025
…		…
1506	cf::async {	2028	cf::async {
1507	$_->contr->save for $self->players;	2029	$_->contr->save for $self->players;
1508	};	2030	};
1509		2031
1510	if ($uniq) {	2032	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	2035	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	2037	}
1516	}	2038	}
1517		2039
1518	sub swap_out {	2040	sub swap_out {
1519	my ($self) = @_;	2041	my ($self) = @_;
…		…
1533		2055
1534	sub reset_at {	2056	sub reset_at {
1535	my ($self) = @_;	2057	my ($self) = @_;
1536		2058
1537	# TODO: safety, remove and allow resettable per-player maps	2059	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2060	return 1e99 if $self->{deny_reset};
1540		2061
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2064
…		…
1548	my ($self) = @_;	2069	my ($self) = @_;
1549		2070
1550	$self->reset_at <= $cf::RUNTIME	2071	$self->reset_at <= $cf::RUNTIME
1551	}	2072	}
1552		2073
1553	sub unlink_save {
1554	my ($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	$self->save;
1572	}
1573
1574	sub reset {	2074	sub reset {
1575	my ($self) = @_;	2075	my ($self) = @_;
1576		2076
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2078
1579	return if $self->players;	2079	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2080
1582	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
		2082
		2083	$self->in_memory (cf::MAP_SWAPPED);
		2084
		2085	# need to save uniques path
		2086	unless ($self->{deny_save}) {
		2087	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2088
		2089	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2090	if $uniq;
		2091	}
1583		2092
1584	delete $cf::MAP{$self->path};	2093	delete $cf::MAP{$self->path};
		2094
		2095	$self->clear;
1585		2096
1586	$_->clear_links_to ($self) for values %cf::MAP;	2097	$_->clear_links_to ($self) for values %cf::MAP;
1587		2098
1588	$self->unlink_save;	2099	$self->unlink_save;
1589	$self->destroy;	2100	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	2103	my $nuke_counter = "aaaa";
1593		2104
1594	sub nuke {	2105	sub nuke {
1595	my ($self) = @_;	2106	my ($self) = @_;
1596		2107
		2108	delete $cf::MAP{$self->path};
		2109
		2110	$self->unlink_save;
		2111
		2112	bless $self, "cf::map";
		2113	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2114	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2115	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2117
		2118	$cf::MAP{$self->path} = $self;
		2119
1600	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
1601	}	2121	}
1602		2122
1603	sub customise_for {	2123	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2124
1606	if ($map->per_player) {	2125	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
1608	}	2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
1609		2140
1610	$map	2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
1611	}	2157	}
1612		2158
1613	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1614		2160
1615	Returns an arrayref of cf::path's of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2162	instantiated unique items. May block.
1617		2163
1618	=cut	2164	=cut
1619		2165
1620	sub unique_maps() {	2166	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1622	or return;	2168	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2169	utf8::decode $_;
1628	next if /\.pst$/;	2170	/\.map$/
1629	next unless /^$PATH_SEP/o;	2171	? normalise $_
1630		2172	: ()
1631	push @paths, new cf::path $_;	2173	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2174	]
1633
1634	\@paths
1635	}	2175	}
1636		2176
1637	package cf;	2177	package cf;
1638		2178
1639	=back	2179	=back
…		…
1685		2225
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2227
1688	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1690	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1693	}	2242	}
1694	}	2243	}
1695		2244
1696	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1697		2246
…		…
1711		2260
1712	=item $player_object->enter_link	2261	=item $player_object->enter_link
1713		2262
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2263	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2264
1716	The player should be reaosnably safe there for short amounts of time. You	2265	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.	2266	I<MUST> call C<leave_link> as soon as possible, though.
1718		2267
		2268	Will never block.
		2269
1719	=item $player_object->leave_link ($map, $x, $y)	2270	=item $player_object->leave_link ($map, $x, $y)
1720		2271
1721	Moves the player out of the specila link map onto the given map. If the	2272	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2273	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2274	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2275	fails, to the emergency map position.
1725		2276
1726	Might block.	2277	Might block.
1727		2278
1728	=cut	2279	=cut
		2280
		2281	sub link_map {
		2282	unless ($LINK_MAP) {
		2283	$LINK_MAP = cf::map::find "{link}"
		2284	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2285	$LINK_MAP->load;
		2286	}
		2287
		2288	$LINK_MAP
		2289	}
1729		2290
1730	sub cf::object::player::enter_link {	2291	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2292	my ($self) = @_;
1732		2293
1733	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1734		2295
1735	return if $self->map == $LINK_MAP;	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2297
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1739		2300
1740	$self->enter_map ($LINK_MAP, 20, 20);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2302	}
1742		2303
1743	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1745		2308
1746	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1747		2310
1748	unless ($map) {	2311	unless ($map) {
1749	# restore original map position	2312	# restore original map position
…		…
1767	$map->load;	2330	$map->load;
1768	$map->load_diag;	2331	$map->load_diag;
1769		2332
1770	return unless $self->contr->active;	2333	return unless $self->contr->active;
1771	$self->activate_recursive;	2334	$self->activate_recursive;
		2335
		2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1773	}	2338	}
1774		2339
1775	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2341
1779	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1783	};	2346	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2347
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	2348	=cut
		2349
		2350	our $GOTOGEN;
1810		2351
1811	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2354
1814	$path = new cf::path $path;	2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2357
1816	$self->enter_link;	2358	$self->enter_link;
1817		2359
1818	(async {	2360	(async {
		2361	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
1821		2366	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2367	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
1826		2370
		2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
		2377	}
		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1828	})->prio (1);	2385	})->prio (1);
1829	}	2386	}
1830		2387
1831	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1832		2389
…		…
1834		2391
1835	sub parse_random_map_params {	2392	sub parse_random_map_params {
1836	my ($spec) = @_;	2393	my ($spec) = @_;
1837		2394
1838	my $rmp = { # defaults	2395	my $rmp = { # defaults
1839	xsize => 10,	2396	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2397	ysize => (cf::rndm 15, 40),
		2398	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2399	#layout => string,
1841	};	2400	};
1842		2401
1843	for (split /\n/, $spec) {	2402	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2403	my ($k, $v) = split /\s+/, $_, 2;
1845		2404
…		…
1849	$rmp	2408	$rmp
1850	}	2409	}
1851		2410
1852	sub prepare_random_map {	2411	sub prepare_random_map {
1853	my ($exit) = @_;	2412	my ($exit) = @_;
		2413
		2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2415
1855	# all this does is basically replace the /! path by	2416	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2417	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2418	# that depends on the exit object
1858		2419
1859	my $rmp = parse_random_map_params $exit->msg;	2420	my $rmp = parse_random_map_params $exit->msg;
1860		2421
1861	if ($exit->map) {	2422	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2423	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2424	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2425	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2426	$rmp->{origin_y} = $exit->y;
1866	}	2427	}
1867		2428
1868	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1869		2430
1870	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
		2433	my $meta = "$RANDOMDIR/$md5.meta";
1872		2434
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
		2437	undef $fh;
		2438	aio_rename "$meta~", $meta;
1875		2439
1876	$exit->slaying ("?random/$md5");	2440	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2441	$exit->msg (undef);
1878	}	2442	}
1879	}	2443	}
…		…
1881	sub cf::object::player::enter_exit {	2445	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2446	my ($self, $exit) = @_;
1883		2447
1884	return unless $self->type == cf::PLAYER;	2448	return unless $self->type == cf::PLAYER;
1885		2449
		2450	if ($exit->slaying eq "/!") {
		2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2452	# the problem is that $exit might not survive long enough
		2453	# so it needs to be done right now, right here
		2454	cf::sync_job { prepare_random_map $exit };
		2455	}
		2456
		2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2458	my $hp = $exit->stats->hp;
		2459	my $sp = $exit->stats->sp;
		2460
1886	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
1887		2466
1888	(async {	2467	(async {
1889	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2469	unless (eval {
1891	prepare_random_map $exit	2470	$self->goto ($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		2471
1897	1;	2472	1;
1898	}) {	2473	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2474	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2475	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2476	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2477	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2478
1904	warn "ERROR in enter_exit: $@";	2479	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2480	$self->leave_link;
1906	}	2481	}
1907	})->prio (1);	2482	})->prio (1);
…		…
1920		2495
1921	sub cf::client::send_drawinfo {	2496	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2497	my ($self, $text, $flags) = @_;
1923		2498
1924	utf8::encode $text;	2499	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2501	}
1927		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= ~cf::NDI_UNIQUE; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => %$channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2533	} else {
		2534	# replace some tags by gcfclient-compatible ones
		2535	for ($msg) {
		2536	1 while
		2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2542	}
		2543
		2544	if ($color >= 0) {
		2545	if (0 && $msg =~ /\[/) {
		2546	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	my $extcmd = $self->extcmd;
		2565
		2566	if ($extcmd == 2) {
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2568	} elsif ($extcmd == 1) { # TODO: remove
		2569	push @msg, msgtype => "event_$type";
		2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2571	}
		2572	}
1928		2573
1929	=item $success = $client->query ($flags, "text", \&cb)	2574	=item $success = $client->query ($flags, "text", \&cb)
1930		2575
1931	Queues a query to the client, calling the given callback with	2576	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>,	2577	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>.	2578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2579
1935	Queries can fail, so check the return code. Or don't, as queries will become	2580	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2581	become reliable at some point in the future.
1937		2582
1938	=cut	2583	=cut
1939		2584
1940	sub cf::client::query {	2585	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2586	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2594	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2596
1952	$self->send_packet ($self->{query_queue}[0][0])	2597	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2598	if @{ $self->{query_queue} } == 1;
		2599
		2600	1
1954	}	2601	}
1955		2602
1956	cf::client->attach (	2603	cf::client->attach (
		2604	on_connect => sub {
		2605	my ($ns) = @_;
		2606
		2607	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2608	},
1957	on_reply => sub {	2609	on_reply => sub {
1958	my ($ns, $msg) = @_;	2610	my ($ns, $msg) = @_;
1959		2611
1960	# this weird shuffling is so that direct followup queries	2612	# this weird shuffling is so that direct followup queries
1961	# get handled first	2613	# get handled first
1962	my $queue = delete $ns->{query_queue}	2614	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2615	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2616
1965	(shift @$queue)->[1]->($msg);	2617	(shift @$queue)->[1]->($msg);
		2618	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2619
1967	push @{ $ns->{query_queue} }, @$queue;	2620	push @{ $ns->{query_queue} }, @$queue;
1968		2621
1969	if (@{ $ns->{query_queue} } == @$queue) {	2622	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2623	if (@$queue) {
…		…
1972	} else {	2625	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2626	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2627	}
1975	}	2628	}
1976	},	2629	},
		2630	on_exticmd => sub {
		2631	my ($ns, $buf) = @_;
		2632
		2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2634
		2635	if (ref $msg) {
		2636	my ($type, $reply, @payload) =
		2637	"ARRAY" eq ref $msg
		2638	? @$msg
		2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2640
		2641	if (my $cb = $EXTICMD{$type}) {
		2642	my @reply = $cb->($ns, @payload);
		2643
		2644	$ns->ext_reply ($reply, @reply)
		2645	if $reply;
		2646	}
		2647	} else {
		2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2649	}
		2650
		2651	cf::override;
		2652	},
1977	);	2653	);
1978		2654
1979	=item $client->async (\&cb)	2655	=item $client->async (\&cb)
1980		2656
1981	Create a new coroutine, running the specified callback. The coroutine will	2657	Create a new coroutine, running the specified callback. The coroutine will
…		…
2028		2704
2029	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
2030		2706
2031	=pod	2707	=pod
2032		2708
2033	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2034		2710
2035	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove
		2714
2036	cf::object::player player	2715	cf::object::player
2037	cf::player peaceful	2716	player
2038	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2039		2723
2040	=cut	2724	=cut
2041		2725
2042	for (	2726	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove)],
2044	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2047	) {	2732	) {
2048	no strict 'refs';	2733	no strict 'refs';
…		…
2119	=back	2804	=back
2120		2805
2121	=cut	2806	=cut
2122		2807
2123	#############################################################################	2808	#############################################################################
		2809	# the server's init and main functions
2124		2810
2125	=head2 EXTENSION DATABASE SUPPORT	2811	sub load_facedata($) {
		2812	my ($path) = @_;
2126		2813
2127	Crossfire maintains a very simple database for extension use. It can	2814	warn "loading facedata from $path\n";
2128	currently store anything that can be serialised using Storable, which
2129	excludes objects.
2130		2815
2131	The parameter C<$family> should best start with the name of the extension	2816	my $facedata;
2132	using it, it should be unique.	2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
2133		2819
2134	=over 4	2820	$facedata = Coro::Storable::thaw $facedata;
2135		2821
2136	=item $hashref = cf::db_get $family	2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
2137		2824
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	}	2825	{
		2826	my $faces = $facedata->{faceinfo};
2174		2827
2175	my $pid;	2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2176		2834
2177	sub db_save() {	2835	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]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2836	}
2223	);
2224	}
2225		2837
2226	#############################################################################	2838	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	while (my ($name, $info) = each %$res) {
		2871	my $meta = $enc->encode ({
		2872	name => $name,
		2873	type => $info->{type},
		2874	copyright => $info->{copyright}, #TODO#
		2875	});
		2876
		2877	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2878
		2879	if ($name =~ /\.(?:jpg|png)$/) {
		2880	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2881	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2882	} else {
		2883	my $data = pack "(w/a*)*", $meta, $info->{data};
		2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2885
		2886	cf::face::set_type $idx, 1;
		2887	cf::face::set_data $idx, 0, $data, $chk;
		2888	}
		2889
		2890	cf::cede_to_tick;
		2891	}
		2892	}
		2893
		2894	1
		2895	}
		2896
		2897	sub reload_regions {
		2898	load_resource_file "$MAPDIR/regions"
		2899	or die "unable to load regions file\n";
		2900
		2901	for (cf::region::list) {
		2902	$_->{match} = qr/$_->{match}/
		2903	if exists $_->{match};
		2904	}
		2905	}
		2906
		2907	sub reload_facedata {
		2908	load_facedata "$DATADIR/facedata"
		2909	or die "unable to load facedata\n";
		2910	}
		2911
		2912	sub reload_archetypes {
		2913	load_resource_file "$DATADIR/archetypes"
		2914	or die "unable to load archetypes\n";
		2915	#d# NEED to laod twice to resolve forward references
		2916	# this really needs to be done in an extra post-pass
		2917	# (which needs to be synchronous, so solve it differently)
		2918	load_resource_file "$DATADIR/archetypes"
		2919	or die "unable to load archetypes\n";
		2920	}
		2921
		2922	sub reload_treasures {
		2923	load_resource_file "$DATADIR/treasures"
		2924	or die "unable to load treasurelists\n";
		2925	}
		2926
		2927	sub reload_resources {
		2928	warn "reloading resource files...\n";
		2929
		2930	reload_regions;
		2931	reload_facedata;
		2932	#reload_archetypes;#d#
		2933	reload_archetypes;
		2934	reload_treasures;
		2935
		2936	warn "finished reloading resource files\n";
		2937	}
		2938
		2939	sub init {
		2940	reload_resources;
		2941	}
2228		2942
2229	sub cfg_load {	2943	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2944	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2945	or return;
2232		2946
2233	local $/;	2947	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2948	*CFG = YAML::Syck::Load <$fh>;
2235		2949
…		…
2249		2963
2250	sub main {	2964	sub main {
2251	# we must not ever block the main coroutine	2965	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2966	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2967	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2968	(async {
2254	async { Event::one_event };	2969	Event::one_event;
		2970	})->prio (Coro::PRIO_MAX);
2255	};	2971	};
2256		2972
2257	cfg_load;	2973	cfg_load;
2258	db_load;	2974	db_init;
2259	load_extensions;	2975	load_extensions;
		2976
		2977	$TICK_WATCHER->start;
2260	Event::loop;	2978	Event::loop;
2261	}	2979	}
2262		2980
2263	#############################################################################	2981	#############################################################################
2264	# initialisation and cleanup	2982	# initialisation and cleanup
2265		2983
2266	# install some emergency cleanup handlers	2984	# install some emergency cleanup handlers
2267	BEGIN {	2985	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2986	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2987	Event->signal (
		2988	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2989	data => WF_AUTOCANCEL,
2271	signal => $signal,	2990	signal => $signal,
		2991	prio => 0,
2272	cb => sub {	2992	cb => sub {
2273	cf::cleanup "SIG$signal";	2993	cf::cleanup "SIG$signal";
2274	},	2994	},
2275	);	2995	);
2276	}	2996	}
2277	}	2997	}
2278		2998
		2999	sub write_runtime {
		3000	my $runtime = "$LOCALDIR/runtime";
		3001
		3002	# first touch the runtime file to show we are still running:
		3003	# the fsync below can take a very very long time.
		3004
		3005	IO::AIO::aio_utime $runtime, undef, undef;
		3006
		3007	my $guard = cf::lock_acquire "write_runtime";
		3008
		3009	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3010	or return;
		3011
		3012	my $value = $cf::RUNTIME + 90 + 10;
		3013	# 10 is the runtime save interval, for a monotonic clock
		3014	# 60 allows for the watchdog to kill the server.
		3015
		3016	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3017	and return;
		3018
		3019	# always fsync - this file is important
		3020	aio_fsync $fh
		3021	and return;
		3022
		3023	# touch it again to show we are up-to-date
		3024	aio_utime $fh, undef, undef;
		3025
		3026	close $fh
		3027	or return;
		3028
		3029	aio_rename "$runtime~", $runtime
		3030	and return;
		3031
		3032	warn "runtime file written.\n";
		3033
		3034	1
		3035	}
		3036
2279	sub emergency_save() {	3037	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3038	my $freeze_guard = cf::freeze_mainloop;
2281		3039
2282	warn "enter emergency perl save\n";	3040	warn "enter emergency perl save\n";
2283		3041
2284	cf::sync_job {	3042	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	3043	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3044	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3045	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3046	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	3047	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3048	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3049	$pl->valid or next;
2292	$pl->save;	3050	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	3056	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3057	$map->valid or next;
2300	$map->save;	3058	$map->save;
2301	}	3059	}
2302	warn "end emergency map save\n";	3060	warn "end emergency map save\n";
		3061
		3062	warn "begin emergency database checkpoint\n";
		3063	BDB::db_env_txn_checkpoint $DB_ENV;
		3064	warn "end emergency database checkpoint\n";
2303	};	3065	};
2304		3066
2305	warn "leave emergency perl save\n";	3067	warn "leave emergency perl save\n";
2306	}	3068	}
2307		3069
		3070	sub post_cleanup {
		3071	my ($make_core) = @_;
		3072
		3073	warn Carp::longmess "post_cleanup backtrace"
		3074	if $make_core;
		3075	}
		3076
2308	sub reload() {	3077	sub do_reload_perl() {
2309	# can/must only be called in main	3078	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3079	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3080	warn "can only reload from main coroutine";
2312	return;	3081	return;
2313	}	3082	}
2314		3083
2315	warn "reloading...";	3084	warn "reloading...";
2316		3085
2317	warn "freezing server";	3086	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3087
		3088	cf::sync_job {
		3089	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3090	cf::emergency_save;
		3091	cf::write_runtime; # external watchdog should not bark
2320		3092
2321	warn "sync database to disk";	3093	warn "syncing database to disk";
2322	cf::db_sync;	3094	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3095
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3096	# if anything goes wrong in here, we should simply crash as we already saved
2327		3097
2328	warn "cancel all watchers";	3098	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	3099	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3100	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	3101	}
2332		3102
		3103	warn "flushing outstanding aio requests";
		3104	for (;;) {
		3105	BDB::flush;
		3106	IO::AIO::flush;
		3107	Coro::cede;
		3108	last unless IO::AIO::nreqs || BDB::nreqs;
		3109	warn "iterate...";
		3110	}
		3111
		3112	++$RELOAD;
		3113
2333	warn "cancel all extension coros";	3114	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	3115	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3116	%EXT_CORO = ();
2336		3117
2337	warn "remove commands";	3118	warn "removing commands";
2338	%COMMAND = ();	3119	%COMMAND = ();
2339		3120
2340	warn "remove ext commands";	3121	warn "removing ext/exti commands";
2341	%EXTCMD = ();	3122	%EXTCMD = ();
		3123	%EXTICMD = ();
2342		3124
2343	warn "unload/nuke all extensions";	3125	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3126	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3127	warn "... unloading $pkg";
2346		3128
2347	if (my $cb = $pkg->can ("unload")) {	3129	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3130	eval {
…		…
2353		3135
2354	warn "... nuking $pkg";	3136	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	3137	Symbol::delete_package $pkg;
2356	}	3138	}
2357		3139
2358	warn "unload all perl modules loaded from $LIBDIR";	3140	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3141	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3142	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3143
2362	warn "removing <$k>";	3144	warn "... unloading $k";
2363	delete $INC{$k};	3145	delete $INC{$k};
2364		3146
2365	$k =~ s/\.pm$//;	3147	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3148	$k =~ s/\//::/g;
2367		3149
…		…
2370	}	3152	}
2371		3153
2372	Symbol::delete_package $k;	3154	Symbol::delete_package $k;
2373	}	3155	}
2374		3156
2375	warn "get rid of safe::, as good as possible";	3157	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3158	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3159	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3160
2379	warn "unload cf.pm \"a bit\"";	3161	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3162	delete $INC{"cf.pm"};
		3163	delete $INC{"cf/pod.pm"};
2381		3164
2382	# don't, removes xs symbols, too,	3165	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3166	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3167	#Symbol::delete_package __PACKAGE__;
2385		3168
		3169	warn "unload completed, starting to reload now";
		3170
2386	warn "reloading cf.pm";	3171	warn "reloading cf.pm";
2387	require cf;	3172	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3173	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3174
2390	warn "load config and database again";	3175	warn "loading config and database again";
2391	cf::cfg_load;	3176	cf::cfg_load;
2392	cf::db_load;
2393		3177
2394	warn "load extensions";	3178	warn "loading extensions";
2395	cf::load_extensions;	3179	cf::load_extensions;
2396		3180
2397	warn "reattach attachments to objects/players";	3181	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3182	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3183	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3184	reattach $_ for values %MAP;
2401	};	3185	warn "reattaching attachments to players";
		3186	reattach $_ for values %PLAYER;
2402		3187
2403	if ($@) {	3188	warn "leaving sync_job";
		3189
		3190	1
		3191	} or do {
2404	warn $@;	3192	warn $@;
2405	warn "error while reloading, exiting.";	3193	warn "error while reloading, exiting.";
2406	exit 1;	3194	exit 1;
2407	}	3195	};
2408		3196
2409	warn "reloaded";	3197	warn "reloaded";
2410	};	3198	};
2411		3199
2412	#############################################################################	3200	our $RELOAD_WATCHER; # used only during reload
2413		3201
2414	unless ($LINK_MAP) {	3202	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3203	# doing reload synchronously and two reloads happen back-to-back,
		3204	# coro crashes during coro_state_free->destroy here.
2416		3205
2417	$LINK_MAP->width (41);	3206	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3207	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,	3208	after => 0,
		3209	data => WF_AUTOCANCEL,
2427	cb => sub {	3210	cb => sub {
2428	$_[0]->w->cancel;	3211	do_reload_perl;
2429		3212	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	});	3213	},
2448		3214	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3215	}
2454		3216
2455	register_command "reload" => sub {	3217	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3218	my ($who, $arg) = @_;
2457		3219
2458	if ($who->flag (FLAG_WIZ)) {	3220	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3221	$who->message ("reloading server.");
		3222	async { reload_perl };
2462	}	3223	}
2463	};	3224	};
2464		3225
2465	unshift @INC, $LIBDIR;	3226	unshift @INC, $LIBDIR;
2466		3227
		3228	my $bug_warning = 0;
		3229
		3230	our @WAIT_FOR_TICK;
		3231	our @WAIT_FOR_TICK_BEGIN;
		3232
		3233	sub wait_for_tick {
		3234	return unless $TICK_WATCHER->is_active;
		3235	return if $Coro::current == $Coro::main;
		3236
		3237	my $signal = new Coro::Signal;
		3238	push @WAIT_FOR_TICK, $signal;
		3239	$signal->wait;
		3240	}
		3241
		3242	sub wait_for_tick_begin {
		3243	return unless $TICK_WATCHER->is_active;
		3244	return if $Coro::current == $Coro::main;
		3245
		3246	my $signal = new Coro::Signal;
		3247	push @WAIT_FOR_TICK_BEGIN, $signal;
		3248	$signal->wait;
		3249	}
		3250
		3251	my $min = 1e6;#d#
		3252	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3253	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3254	reentrant => 0,
		3255	parked => 1,
2469	prio => 0,	3256	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3257	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3258	data => WF_AUTOCANCEL,
2472	cb => sub {	3259	cb => sub {
		3260	if ($Coro::current != $Coro::main) {
		3261	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3262	unless ++$bug_warning > 10;
		3263	return;
		3264	}
		3265
2473	$NOW = Event::time;	3266	$NOW = $tick_start = Event::time;
2474		3267
2475	cf::server_tick; # one server iteration	3268	cf::server_tick; # one server iteration
		3269
		3270	0 && sync_job {#d#
		3271	for(1..10) {
		3272	my $t = Event::time;
		3273	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3274	or die;
		3275
		3276	$map->width (50);
		3277	$map->height (50);
		3278	$map->alloc;
		3279	$map->_load_objects ("/tmp/x.map", 1);
		3280	my $t = Event::time - $t;
		3281
		3282	#next unless $t < 0.0013;#d#
		3283	if ($t < $min) {
		3284	$min = $t;
		3285	}
		3286	$avg = $avg * 0.99 + $t * 0.01;
		3287	}
		3288	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3289	exit 0;
		3290	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3291	};
		3292
2476	$RUNTIME += $TICK;	3293	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3294	$NEXT_TICK += $TICK;
2478		3295
2479	$WAIT_FOR_TICK->broadcast;	3296	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3297	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3298	Coro::async_pool {
		3299	write_runtime
		3300	or warn "ERROR: unable to write runtime file: $!";
		3301	};
		3302	}
		3303
		3304	# my $AFTER = Event::time;
		3305	# warn $AFTER - $NOW;#d#
		3306
		3307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3308	$sig->send;
		3309	}
		3310	while (my $sig = shift @WAIT_FOR_TICK) {
		3311	$sig->send;
		3312	}
		3313
		3314	$NOW = Event::time;
2481		3315
2482	# if we are delayed by four ticks or more, skip them all	3316	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3317	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		3318
2485	$TICK_WATCHER->at ($NEXT_TICK);	3319	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	3320	$TICK_WATCHER->start;
		3321
		3322	$LOAD = ($NOW - $tick_start) / $TICK;
		3323	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3324
		3325	_post_tick;
		3326
		3327
2487	},	3328	},
2488	);	3329	);
2489		3330
		3331	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	3332	BDB::max_poll_time $TICK * 0.1;
2491		3333	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	3334	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	3335	fd => BDB::poll_fileno,
2494	poll => 'r',	3336	poll => 'r',
2495	prio => 5,	3337	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	3338	data => WF_AUTOCANCEL,
2502	after => 0,	3339	cb => \&BDB::poll_cb,
2503	interval => 10,	3340	);
2504	cb => sub {	3341	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	3342
2506	write_runtime	3343	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	3344	my $status;
		3345	my $current = $Coro::current;
		3346	(
		3347	sub {
		3348	$status = $!;
		3349	$current->ready; undef $current;
		3350	},
		3351	sub {
		3352	Coro::schedule while defined $current;
		3353	$! = $status;
		3354	},
		3355	)
		3356	};
		3357
		3358	unless ($DB_ENV) {
		3359	$DB_ENV = BDB::db_env_create;
		3360
		3361	cf::sync_job {
		3362	eval {
		3363	BDB::db_env_open
		3364	$DB_ENV,
		3365	$BDBDIR,
		3366	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3367	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3368	0666;
		3369
		3370	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3371
		3372	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3373	$DB_ENV->set_lk_detect;
		3374	};
		3375
		3376	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	3377	};
2509	},	3378	}
2510	);	3379	}
		3380
		3381	{
		3382	IO::AIO::min_parallel 8;
		3383
		3384	undef $Coro::AIO::WATCHER;
		3385	IO::AIO::max_poll_time $TICK * 0.1;
		3386	$AIO_POLL_WATCHER = Event->io (
		3387	reentrant => 0,
		3388	data => WF_AUTOCANCEL,
		3389	fd => IO::AIO::poll_fileno,
		3390	poll => 'r',
		3391	prio => 6,
		3392	cb => \&IO::AIO::poll_cb,
		3393	);
		3394	}
		3395
		3396	my $_log_backtrace;
		3397
		3398	sub _log_backtrace {
		3399	my ($msg, @addr) = @_;
		3400
		3401	$msg =~ s/\n//;
		3402
		3403	# limit the # of concurrent backtraces
		3404	if ($_log_backtrace < 2) {
		3405	++$_log_backtrace;
		3406	async {
		3407	my @bt = fork_call {
		3408	@addr = map { sprintf "%x", $_ } @addr;
		3409	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3410	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3411	or die "addr2line: $!";
		3412
		3413	my @funcs;
		3414	my @res = <$fh>;
		3415	chomp for @res;
		3416	while (@res) {
		3417	my ($func, $line) = splice @res, 0, 2, ();
		3418	push @funcs, "[$func] $line";
		3419	}
		3420
		3421	@funcs
		3422	};
		3423
		3424	LOG llevInfo, "[ABT] $msg\n";
		3425	LOG llevInfo, "[ABT] $_\n" for @bt;
		3426	--$_log_backtrace;
		3427	};
		3428	} else {
		3429	LOG llevInfo, "[ABT] $msg\n";
		3430	LOG llevInfo, "[ABT] [suppressed]\n";
		3431	}
		3432	}
		3433
		3434	# load additional modules
		3435	use cf::pod;
2511		3436
2512	END { cf::emergency_save }	3437	END { cf::emergency_save }
2513		3438
2514	1	3439	1
2515		3440

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