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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
54		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
		85
55	our %CFG;	86	our %CFG;
56		87
57	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	89	our $RUNTIME;
59		90
60	our %PLAYER; # all users	91	our %PLAYER; # all users
61	our %MAP; # all maps	92	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		94
68	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
71	binmode STDOUT;	102	binmode STDOUT;
72	binmode STDERR;	103	binmode STDERR;
73		104
74	# read virtual server time, if available	105	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
79	}	110	}
80		111
81	mkdir cf::localdir;	112	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		114
87	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
88		116
89	sub cf::map::normalise;	117	sub cf::map::normalise;
90		118
…		…
101	=item $cf::RUNTIME	129	=item $cf::RUNTIME
102		130
103	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
104	every server tick.	132	every server tick.
105		133
106	=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
107		137
108	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		142
111	=item $cf::NOW	143	=item $cf::NOW
112		144
113	The time of the last (current) server tick.	145	The time of the last (current) server tick.
114		146
115	=item $cf::TICK	147	=item $cf::TICK
116		148
117	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.
118		160
119	=item %cf::CFG	161	=item %cf::CFG
120		162
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	164	from wherever your confdir points to.
123		165
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		167
126	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
127	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
128	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.
129	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.
130		177
131	=back	178	=back
132		179
133	=cut	180	=cut
134		181
135	BEGIN {	182	BEGIN {
136	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	184	my $msg = join "", @_;
138	utf8::encode $msg;
139		185
140	$msg .= "\n"	186	$msg .= "\n"
141	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
142		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
143	LOG llevError, $msg;	192	LOG llevError, $msg;
144	};	193	};
145	}	194	}
146		195
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		203
154	# 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
155	# within the Safe compartment.	205	# within the Safe compartment.
156	for my $pkg (qw(	206	for my $pkg (qw(
157	cf::global cf::attachable	207	cf::global cf::attachable
…		…
165	}	215	}
166		216
167	$Event::DIED = sub {	217	$Event::DIED = sub {
168	warn "error in event callback: @_";	218	warn "error in event callback: @_";
169	};	219	};
		220
		221	#############################################################################
170		222
171	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
172		224
173	=over 4	225	=over 4
174		226
…		…
193	$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;
194	$d	246	$d
195	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
196	}	248	}
197		249
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
201		251
202	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
203		253
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
212		255
213	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
214		257
215	=cut	258	=cut
216		259
217	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
219	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
221		264
222	=item cf::lock_wait $string	265	=item cf::lock_wait $string
223		266
224	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
225		268
…		…
231	returned.	274	returned.
232		275
233	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
234	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
235		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
236	=cut	283	=cut
237		284
238	our %LOCK;	285	our %LOCK;
239		286
240	sub lock_wait($) {	287	sub lock_wait($) {
…		…
259	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
261	}	308	}
262	}	309	}
263		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
264	sub freeze_mainloop {	317	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
266		319
267	my $guard = Coro::guard {	320	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	322	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
273	$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;
274	}	381	}
275		382
276	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
277		384
278	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		390
284	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
285		392
286	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
287		394
288	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)
289	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
290	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.
291		399
292	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
293	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
294	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
295	fast or be very important.	403	fast or be very important.
…		…
298		406
299	sub sync_job(&) {	407	sub sync_job(&) {
300	my ($job) = @_;	408	my ($job) = @_;
301		409
302	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
303	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
305		415
306	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
318		428
319	while ($busy) {	429	while ($busy) {
320	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
321	}	431	}
322		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
323	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
324	} else {	441	} else {
325	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
326		443
327	$job->()	444	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
347		464
348	$coro	465	$coro
349	}	466	}
350		467
351	sub write_runtime {	468	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		469
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
355	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.
356		474
357	my $value = $cf::RUNTIME + 90 + 10;	475	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		476
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	477	sub _store_scalar {
362	and return;	478	open my $fh, ">", \my $buf
363		479	or die "fork_call: cannot open fh-to-buf in child : $!";
364	# always fsync - this file is important	480	Storable::store_fd $_[0], $fh;
365	aio_fsync $fh
366	and return;
367
368	close $fh	481	close $fh;
369	or return;
370		482
371	aio_rename "$runtime~", $runtime	483	$buf
372	and return;	484	}
373		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;
374	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 });
375	}	655	}
376		656
377	=back	657	=back
378		658
379	=cut	659	=cut
…		…
386	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")
387	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
388		668
389	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>
390	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
391	crossfire+).	671	Crossfire TRT).
392		672
393	=over 4	673	=over 4
394		674
395	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
396		676
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
560		840
561	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		845
566	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	847	my $pkg = shift @arg;
568		848
569	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
599	}	879	}
600		880
601	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
602	} else {	882	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	884	}
605		885
606	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
607	}	887	}
608		888
…		…
610	if (ref $_[0]) {	890	if (ref $_[0]) {
611	_object_attach @_;	891	_object_attach @_;
612	} else {	892	} else {
613	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
614	}	894	}
		895	_recalc_want;
615	};	896	};
616		897
617	# all those should be optimised	898	# all those should be optimised
618	sub cf::attachable::detach {	899	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
623	reattach ($obj);	904	reattach ($obj);
624	} else {	905	} else {
625	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
626	}	907	}
		908	_recalc_want;
627	};	909	};
628		910
629	sub cf::attachable::attached {	911	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
631		913
…		…
646	";	928	";
647	die if $@;	929	die if $@;
648	}	930	}
649		931
650	our $override;	932	our $override;
651	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?
652		934
653	sub override {	935	sub override {
654	$override = 1;	936	$override = 1;
655	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
656	}	938	}
657		939
658	sub do_invoke {	940	sub do_invoke {
659	my $event = shift;	941	my $event = shift;
660	my $callbacks = shift;	942	my $callbacks = shift;
661		943
662	@invoke_results = ();	944	@INVOKE_RESULTS = ();
663		945
664	local $override;	946	local $override;
665		947
666	for (@$callbacks) {	948	for (@$callbacks) {
667	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
684		966
685	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
686		968
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		972
691	=back	973	=back
692		974
693	=cut	975	=cut
694		976
695	#############################################################################	977	#############################################################################
696	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
697		990
698	sub reattach {	991	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	993	my ($obj) = @_;
701		994
…		…
778	}	1071	}
779	} else {	1072	} else {
780	aio_unlink $filename;	1073	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1074	aio_unlink "$filename.pst";
782	}	1075	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1076	}
790	}	1077	}
791		1078
792	sub object_freezer_as_string {	1079	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1080	my ($rdata, $objs) = @_;
…		…
799		1086
800	sub object_thawer_load {	1087	sub object_thawer_load {
801	my ($filename) = @_;	1088	my ($filename) = @_;
802		1089
803	my ($data, $av);	1090	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1091
808	(aio_load $filename, $data) >= 0	1092	(aio_load $filename, $data) >= 0
809	or return;	1093	or return;
810		1094
811	unless (aio_stat "$filename.pst") {	1095	unless (aio_stat "$filename.pst") {
…		…
813	or return;	1097	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1099	}
816		1100
817	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1103	return ($data, $av);
820	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
821		1111
822	#############################################################################	1112	#############################################################################
823	# command handling &c	1113	# command handling &c
824		1114
825	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1129	}
840		1130
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1132
843	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.
844		1138
845	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
846	called.	1140	called.
847		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
848	=cut	1153	=cut
849		1154
850	sub register_extcmd {	1155	sub register_extcmd {
851	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
852		1157
853	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
854	}	1165	}
855		1166
856	cf::player->attach (	1167	cf::player->attach (
857	on_command => sub {	1168	on_command => sub {
858	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1178	cf::override;
868	},	1179	},
869	on_extcmd => sub {	1180	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
871		1182
872	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1184
874	if (ref $msg) {	1185	if (ref $msg) {
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
876	if (my %reply = $cb->($pl, $msg)) {	1187	if (my %reply = $cb->($pl, $msg)) {
877	$pl->ext_reply ($msg->{msgid}, %reply);	1188	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
883		1194
884	cf::override;	1195	cf::override;
885	},	1196	},
886	);	1197	);
887		1198
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
923	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1204	next unless -r $path;
925	eval {	1205
926	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
927	1	1263	}
928	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
929	}	1269	};
930	}	1270	}
931		1271
932	#############################################################################	1272	#############################################################################
933		1273
		1274	=back
		1275
934	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
935		1277
936	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
937		1279
938	=cut	1280	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1292	Returns the given player object, loading it if necessary (might block).
951		1293
952	=cut	1294	=cut
953		1295
954	sub playerdir($) {	1296	sub playerdir($) {
955	cf::localdir	1297	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1298	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1299	}
961		1300
962	sub path($) {	1301	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1302	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1303
965	(playerdir $login) . "/$login.pl"	1304	(playerdir $login) . "/playerdata"
966	}	1305	}
967		1306
968	sub find_active($) {	1307	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1308	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1309	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1322	my $login = $_[0];
984		1323
985	my $guard = cf::lock_acquire "user_find:$login";	1324	my $guard = cf::lock_acquire "user_find:$login";
986		1325
987	$cf::PLAYER{$_[0]} || do {	1326	$cf::PLAYER{$_[0]} || do {
		1327	# rename old playerfiles to new ones
		1328	#TODO: remove when no longer required
		1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1332	aio_unlink +(playerdir $login) . "/$login.pl";
		1333
988	my $pl = load_pl path $login	1334	my $pl = load_pl path $login
989	or return;	1335	or return;
990	$cf::PLAYER{$login} = $pl	1336	$cf::PLAYER{$login} = $pl
991	}	1337	}
992	}	1338	}
…		…
1029		1375
1030	=cut	1376	=cut
1031		1377
1032	sub quit_character {	1378	sub quit_character {
1033	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
1034		1382
1035	$pl->{deny_save} = 1;	1383	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1385
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1391	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1392	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1393	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1394	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1395	$pl->destroy;
		1396
		1397	my $prefix = qr<^~\Q$name\E/>;
		1398
		1399	# nuke player maps
		1400	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1401
1048	IO::AIO::aio_rmtree $temp;	1402	IO::AIO::aio_rmtree $temp;
		1403	}
		1404
		1405	=item $pl->kick
		1406
		1407	Kicks a player out of the game. This destroys the connection.
		1408
		1409	=cut
		1410
		1411	sub kick {
		1412	my ($pl, $kicker) = @_;
		1413
		1414	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1415	$pl->killer ("kicked");
		1416	$pl->ns->destroy;
1049	}	1417	}
1050		1418
1051	=item cf::player::list_logins	1419	=item cf::player::list_logins
1052		1420
1053	Returns am arrayref of all valid playernames in the system, can take a	1421	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1055		1423
1056	=cut	1424	=cut
1057		1425
1058	sub list_logins {	1426	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1428	or return [];
1061		1429
1062	my @logins;	1430	my @logins;
1063		1431
1064	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
…		…
1099	}	1467	}
1100		1468
1101	\@paths	1469	\@paths
1102	}	1470	}
1103		1471
		1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1473
		1474	Expand crossfire pod fragments into protocol xml.
		1475
		1476	=cut
		1477
		1478	sub expand_cfpod {
		1479	((my $self), (local $_)) = @_;
		1480
		1481	# escape & and <
		1482	s/&/&amp;/g;
		1483	s/(?<![BIUGH])</&lt;/g;
		1484
		1485	# this is buggy, it needs to properly take care of nested <'s
		1486
		1487	1 while
		1488	# replace B<>, I<>, U<> etc.
		1489	s/B<([^\>]*)>/<b>$1<\/b>/
		1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1492	# replace G<male|female> tags
		1493	|| s{G<([^>|]*)\|([^>]*)>}{
		1494	$self->gender ? $2 : $1
		1495	}ge
		1496	# replace H<hint text>
		1497	|| s{H<([^\>]*)>}
		1498	{
		1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1501	"")
		1502	[$self->{hintmode}]
		1503	}ge;
		1504
		1505	# create single paragraphs (very hackish)
		1506	s/(?<=\S)\n(?=\w)/ /g;
		1507
		1508	# compress some whitespace
		1509	s/\s+\n/\n/g; # ws line-ends
		1510	s/\n\n+/\n/g; # double lines
		1511	s/^\n+//; # beginning lines
		1512	s/\n+$//; # ending lines
		1513
		1514	$_
		1515	}
		1516
		1517	sub hintmode {
		1518	$_[0]{hintmode} = $_[1] if @_ > 1;
		1519	$_[0]{hintmode}
		1520	}
		1521
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1522	=item $player->ext_reply ($msgid, %msg)
1105		1523
1106	Sends an ext reply to the player.	1524	Sends an ext reply to the player.
1107		1525
1108	=cut	1526	=cut
1109		1527
1110	sub ext_reply($$$%) {	1528	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1529	my ($self, $id, %msg) = @_;
1112		1530
1113	$msg{msgid} = $id;	1531	$msg{msgid} = $id;
1114		1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1533	}
1117		1534
1118	package cf;	1535	=item $player->ext_event ($type, %msg)
		1536
		1537	Sends an ext event to the client.
		1538
		1539	=cut
		1540
		1541	sub ext_event($$%) {
		1542	my ($self, $type, %msg) = @_;
		1543
		1544	$self->ns->ext_event ($type, %msg);
		1545	}
		1546
		1547	=head3 cf::region
		1548
		1549	=over 4
		1550
		1551	=cut
		1552
		1553	package cf::region;
		1554
		1555	=item cf::region::find_by_path $path
		1556
		1557	Tries to decuce the likely region for a map knowing only its path.
		1558
		1559	=cut
		1560
		1561	sub find_by_path($) {
		1562	my ($path) = @_;
		1563
		1564	my ($match, $specificity);
		1565
		1566	for my $region (list) {
		1567	if ($region->{match} && $path =~ $region->{match}) {
		1568	($match, $specificity) = ($region, $region->specificity)
		1569	if $region->specificity > $specificity;
		1570	}
		1571	}
		1572
		1573	$match
		1574	}
1119		1575
1120	=back	1576	=back
1121
1122		1577
1123	=head3 cf::map	1578	=head3 cf::map
1124		1579
1125	=over 4	1580	=over 4
1126		1581
…		…
1181	my ($self, $merge) = @_;	1636	my ($self, $merge) = @_;
1182		1637
1183	# we have to keep some variables in memory intact	1638	# we have to keep some variables in memory intact
1184	local $self->{path};	1639	local $self->{path};
1185	local $self->{load_path};	1640	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1641
1189	$self->SUPER::thawer_merge ($merge);	1642	$self->SUPER::thawer_merge ($merge);
1190	}	1643	}
1191		1644
1192	sub normalise {	1645	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1692	$self->init; # pass $1 etc.
1240	return $self;	1693	return $self;
1241	}	1694	}
1242	}	1695	}
1243		1696
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1697	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1698	()
1246	}	1699	}
1247		1700
1248	sub init {	1701	sub init {
1249	my ($self) = @_;	1702	my ($self) = @_;
…		…
1264		1717
1265	# the original (read-only) location	1718	# the original (read-only) location
1266	sub load_path {	1719	sub load_path {
1267	my ($self) = @_;	1720	my ($self) = @_;
1268		1721
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1722	"$MAPDIR/$self->{path}.map"
1270	}	1723	}
1271		1724
1272	# the temporary/swap location	1725	# the temporary/swap location
1273	sub save_path {	1726	sub save_path {
1274	my ($self) = @_;	1727	my ($self) = @_;
1275		1728
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1730	"$TMPDIR/$path.map"
1278	}	1731	}
1279		1732
1280	# the unique path, undef == no special unique path	1733	# the unique path, undef == no special unique path
1281	sub uniq_path {	1734	sub uniq_path {
1282	my ($self) = @_;	1735	my ($self) = @_;
1283		1736
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1738	"$UNIQUEDIR/$path"
1286	}	1739	}
1287		1740
1288	# and all this just because we cannot iterate over	1741	# and all this just because we cannot iterate over
1289	# all maps in C++...	1742	# all maps in C++...
1290	sub change_all_map_light {	1743	sub change_all_map_light {
…		…
1292		1745
1293	$_->change_map_light ($change)	1746	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1747	for grep $_->outdoor, values %cf::MAP;
1295	}	1748	}
1296		1749
		1750	sub decay_objects {
		1751	my ($self) = @_;
		1752
		1753	return if $self->{deny_reset};
		1754
		1755	$self->do_decay_objects;
		1756	}
		1757
1297	sub unlink_save {	1758	sub unlink_save {
1298	my ($self) = @_;	1759	my ($self) = @_;
1299		1760
1300	utf8::encode (my $save = $self->save_path);	1761	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1762	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1763	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1764	}
1309		1765
1310	sub load_header_from($) {	1766	sub load_header_from($) {
1311	my ($self, $path) = @_;	1767	my ($self, $path) = @_;
1312		1768
…		…
1362	$self->load_header_orig	1818	$self->load_header_orig
1363	or return;	1819	or return;
1364	$self->prepare_orig;	1820	$self->prepare_orig;
1365	}	1821	}
1366		1822
		1823	$self->{deny_reset} = 1
		1824	if $self->no_reset;
		1825
		1826	$self->default_region (cf::region::find_by_path $self->{path})
		1827	unless $self->default_region;
		1828
1367	1	1829	1
1368	}	1830	}
1369		1831
1370	sub find;	1832	sub find;
1371	sub find {	1833	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1845	$map->{last_save} = $cf::RUNTIME;
1384		1846
1385	$map->load_header	1847	$map->load_header
1386	or return;	1848	or return;
1387		1849
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1851	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1852	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1853	$map->reset;
1392	undef $guard;	1854	undef $guard;
1393	return find $path;	1855	return find $path;
…		…
1404	my ($self) = @_;	1866	my ($self) = @_;
1405		1867
1406	local $self->{deny_reset} = 1; # loading can take a long time	1868	local $self->{deny_reset} = 1; # loading can take a long time
1407		1869
1408	my $path = $self->{path};	1870	my $path = $self->{path};
		1871
		1872	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1873	my $guard = cf::lock_acquire "map_load:$path";
1410		1874
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1875	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1876
1413	$self->in_memory (cf::MAP_LOADING);	1877	$self->in_memory (cf::MAP_LOADING);
1414		1878
1415	$self->alloc;	1879	$self->alloc;
1416		1880
1417	$self->pre_load;	1881	$self->pre_load;
1418
1419	$self->_load_objects ($self->{load_path}, 1)
1420	or return;
1421
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};
1424
1425	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);
1430	}
1431	}
1432
1433	Coro::cede;
1434
1435	# now do the right thing for maps
1436	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;	1882	Coro::cede;
1443	$self->set_darkness_map;	1883
		1884	$self->_load_objects ($self->{load_path}, 1)
		1885	or return;
		1886
		1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1888	if delete $self->{load_original};
		1889
		1890	if (my $uniq = $self->uniq_path) {
		1891	utf8::encode $uniq;
		1892	if (aio_open $uniq, O_RDONLY, 0) {
		1893	$self->clear_unique_items;
		1894	$self->_load_objects ($uniq, 0);
		1895	}
		1896	}
		1897
		1898	Coro::cede;
		1899	# now do the right thing for maps
		1900	$self->link_multipart_objects;
1444	$self->difficulty ($self->estimate_difficulty)	1901	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1902	unless $self->difficulty;
1446	Coro::cede;	1903	Coro::cede;
		1904
		1905	unless ($self->{deny_activate}) {
		1906	$self->decay_objects;
		1907	$self->fix_auto_apply;
		1908	$self->update_buttons;
		1909	Coro::cede;
		1910	$self->set_darkness_map;
		1911	Coro::cede;
1447	$self->activate;	1912	$self->activate;
		1913	}
		1914
		1915	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1916	}
1449		1917
1450	$self->post_load;	1918	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1919	}
1454		1920
1455	sub customise_for {	1921	sub customise_for {
1456	my ($self, $ob) = @_;	1922	my ($self, $ob) = @_;
1457		1923
1458	return find "~" . $ob->name . "/" . $self->{path}	1924	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1925	if $self->per_player;
		1926
		1927	# return find "?party/" . $ob->name . "/" . $self->{path}
		1928	# if $self->per_party;
1460		1929
1461	$self	1930	$self
1462	}	1931	}
1463		1932
1464	# find and load all maps in the 3x3 area around a map	1933	# find and load all maps in the 3x3 area around a map
…		…
1511		1980
1512	undef $MAP_PREFETCH{$path};	1981	undef $MAP_PREFETCH{$path};
1513	$MAP_PREFETCHER ||= cf::async {	1982	$MAP_PREFETCHER ||= cf::async {
1514	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	1984	for my $path (keys %MAP_PREFETCH) {
1516	my $map = find $path	1985	if (my $map = find $path) {
1517	or next;
1518	$map->load;	1986	$map->load;
		1987	}
1519		1988
1520	delete $MAP_PREFETCH{$path};	1989	delete $MAP_PREFETCH{$path};
1521	}	1990	}
1522	}	1991	}
1523	undef $MAP_PREFETCHER;	1992	undef $MAP_PREFETCHER;
…		…
1575		2044
1576	sub reset_at {	2045	sub reset_at {
1577	my ($self) = @_;	2046	my ($self) = @_;
1578		2047
1579	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1582		2050
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2053
…		…
1596	my ($self) = @_;	2064	my ($self) = @_;
1597		2065
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2067
1600	return if $self->players;	2068	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2069
1603	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
		2071
		2072	$self->in_memory (cf::MAP_SWAPPED);
		2073
		2074	# need to save uniques path
		2075	unless ($self->{deny_save}) {
		2076	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2077
		2078	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2079	if $uniq;
		2080	}
1604		2081
1605	delete $cf::MAP{$self->path};	2082	delete $cf::MAP{$self->path};
1606		2083
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	2084	$self->clear;
1609		2085
1610	$_->clear_links_to ($self) for values %cf::MAP;	2086	$_->clear_links_to ($self) for values %cf::MAP;
1611		2087
1612	$self->unlink_save;	2088	$self->unlink_save;
…		…
1631	$cf::MAP{$self->path} = $self;	2107	$cf::MAP{$self->path} = $self;
1632		2108
1633	$self->reset; # polite request, might not happen	2109	$self->reset; # polite request, might not happen
1634	}	2110	}
1635		2111
		2112	=item $maps = cf::map::tmp_maps
		2113
		2114	Returns an arrayref with all map paths of currently instantiated and saved
		2115	maps. May block.
		2116
		2117	=cut
		2118
		2119	sub tmp_maps() {
		2120	[
		2121	map {
		2122	utf8::decode $_;
		2123	/\.map$/
		2124	? normalise $_
		2125	: ()
		2126	} @{ aio_readdir $TMPDIR or [] }
		2127	]
		2128	}
		2129
		2130	=item $maps = cf::map::random_maps
		2131
		2132	Returns an arrayref with all map paths of currently instantiated and saved
		2133	random maps. May block.
		2134
		2135	=cut
		2136
		2137	sub random_maps() {
		2138	[
		2139	map {
		2140	utf8::decode $_;
		2141	/\.map$/
		2142	? normalise "?random/$_"
		2143	: ()
		2144	} @{ aio_readdir $RANDOMDIR or [] }
		2145	]
		2146	}
		2147
1636	=item cf::map::unique_maps	2148	=item cf::map::unique_maps
1637		2149
1638	Returns an arrayref of paths of all shared maps that have	2150	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2151	instantiated unique items. May block.
1640		2152
1641	=cut	2153	=cut
1642		2154
1643	sub unique_maps() {	2155	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2156	[
1645	or return;	2157	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2158	utf8::decode $_;
1651	next if /\.pst$/;	2159	/\.map$/
1652	next unless /^$PATH_SEP/o;	2160	? normalise $_
1653		2161	: ()
1654	push @paths, cf::map::normalise $_;	2162	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2163	]
1656
1657	\@paths
1658	}	2164	}
1659		2165
1660	package cf;	2166	package cf;
1661		2167
1662	=back	2168	=back
…		…
1708		2214
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2215	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2216
1711	if ($self->{record_replies}) {	2217	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2218	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2219
1713	} else {	2220	} else {
		2221	my $pl = $self->contr;
		2222
		2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2224	my $diag = $pl->{npc_dialog};
		2225	$diag->{pl}->ext_reply (
		2226	$diag->{id},
		2227	msgtype => "reply",
		2228	msg => $diag->{pl}->expand_cfpod ($msg),
		2229	add_topics => []
		2230	);
		2231
		2232	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2233	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2234	$self->message ($msg, $flags);
		2235	}
1716	}	2236	}
1717	}	2237	}
1718		2238
1719	=item $player_object->may ("access")	2239	=item $player_object->may ("access")
1720		2240
…		…
1768	$self->deactivate_recursive;	2288	$self->deactivate_recursive;
1769		2289
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2290	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2291
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2293	if $self->map && $self->map->{path} ne "{link}";
1774		2294
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2296	}
1777		2297
1778	sub cf::object::player::leave_link {	2298	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2299	my ($self, $map, $x, $y) = @_;
		2300
		2301	return unless $self->contr->active;
1780		2302
1781	my $link_pos = delete $self->{_link_pos};	2303	my $link_pos = delete $self->{_link_pos};
1782		2304
1783	unless ($map) {	2305	unless ($map) {
1784	# restore original map position	2306	# restore original map position
…		…
1802	$map->load;	2324	$map->load;
1803	$map->load_diag;	2325	$map->load_diag;
1804		2326
1805	return unless $self->contr->active;	2327	return unless $self->contr->active;
1806	$self->activate_recursive;	2328	$self->activate_recursive;
		2329
		2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2331	$self->enter_map ($map, $x, $y);
1808	}	2332	}
1809		2333
1810	cf::player->attach (	2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2335
1814	# abort map switching before logout	2336	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2337	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2338	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2339	the new (success) or old (failed) map position. In either case, $done will
1818	};	2340	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2341
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2342	=cut
		2343
		2344	our $GOTOGEN;
1845		2345
1846	sub cf::object::player::goto {	2346	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2347	my ($self, $path, $x, $y, $check, $done) = @_;
		2348
		2349	# do generation counting so two concurrent goto's will be executed in-order
		2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2351
1849	$self->enter_link;	2352	$self->enter_link;
1850		2353
1851	(async {	2354	(async {
1852	my $map = eval {	2355	my $map = eval {
1853	my $map = cf::map::find $path;	2356	my $map = cf::map::find $path;
		2357
		2358	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2359	$map = $map->customise_for ($self);
		2360	$map = $check->($map) if $check && $map;
		2361	} else {
		2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2363	}
		2364
1855	$map	2365	$map
		2366	};
		2367
		2368	if ($@) {
		2369	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2370	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2371	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2372
		2373	if ($gen == $self->{_goto_generation}) {
		2374	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2375	$self->leave_link ($map, $x, $y);
		2376	}
		2377
		2378	$done->() if $done;
1860	})->prio (1);	2379	})->prio (1);
1861	}	2380	}
1862		2381
1863	=item $player_object->enter_exit ($exit_object)	2382	=item $player_object->enter_exit ($exit_object)
1864		2383
…		…
1903		2422
1904	$rmp->{random_seed} ||= $exit->random_seed;	2423	$rmp->{random_seed} ||= $exit->random_seed;
1905		2424
1906	my $data = cf::to_json $rmp;	2425	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2426	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2427	my $meta = "$RANDOMDIR/$md5.meta";
1909		2428
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2430	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2431	undef $fh;
1913	aio_rename "$meta~", $meta;	2432	aio_rename "$meta~", $meta;
…		…
1922		2441
1923	return unless $self->type == cf::PLAYER;	2442	return unless $self->type == cf::PLAYER;
1924		2443
1925	if ($exit->slaying eq "/!") {	2444	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2446	# the problem is that $exit might not survive long enough
		2447	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2448	cf::sync_job { prepare_random_map $exit };
1928	}	2449	}
1929		2450
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2452	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2453	my $sp = $exit->stats->sp;
1933		2454
1934	$self->enter_link;	2455	$self->enter_link;
		2456
		2457	# if exit is damned, update players death & WoR home-position
		2458	$self->contr->savebed ($slaying, $hp, $sp)
		2459	if $exit->flag (FLAG_DAMNED);
1935		2460
1936	(async {	2461	(async {
1937	$self->deactivate_recursive; # just to be sure	2462	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2463	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2464	$self->goto ($slaying, $hp, $sp);
1940		2465
1941	1;	2466	1;
1942	}) {	2467	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2468	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2469	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2470	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2471	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2472
1948	warn "ERROR in enter_exit: $@";	2473	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2474	$self->leave_link;
1950	}	2475	}
1951	})->prio (1);	2476	})->prio (1);
…		…
1964		2489
1965	sub cf::client::send_drawinfo {	2490	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2491	my ($self, $text, $flags) = @_;
1967		2492
1968	utf8::encode $text;	2493	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2495	}
1971		2496
		2497	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2498
		2499	Send a drawinfo or msg packet to the client, formatting the msg for the
		2500	client if neccessary. C<$type> should be a string identifying the type of
		2501	the message, with C<log> being the default. If C<$color> is negative, suppress
		2502	the message unless the client supports the msg packet.
		2503
		2504	=cut
		2505
		2506	sub cf::client::send_msg {
		2507	my ($self, $channel, $msg, $color, @extra) = @_;
		2508
		2509	$msg = $self->pl->expand_cfpod ($msg);
		2510
		2511	$color &= ~cf::NDI_UNIQUE; # just in case...
		2512
		2513	if (ref $channel) {
		2514	# send meta info to client, if not yet sent
		2515	unless (exists $self->{channel}{$channel->{id}}) {
		2516	$self->{channel}{$channel->{id}} = $channel;
		2517	$self->ext_event (channel_info => %$channel);
		2518	}
		2519
		2520	$channel = $channel->{id};
		2521	}
		2522
		2523	return unless @extra || length $msg;
		2524
		2525	if ($self->can_msg) {
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2527	} else {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	if ($color >= 0) {
		2539	if (0 && $msg =~ /\[/) {
		2540	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2541	} else {
		2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2543	$self->send_packet ("drawinfo $color $msg")
		2544	}
		2545	}
		2546	}
		2547	}
		2548
		2549	=item $client->ext_event ($type, %msg)
		2550
		2551	Sends an ext event to the client.
		2552
		2553	=cut
		2554
		2555	sub cf::client::ext_event($$%) {
		2556	my ($self, $type, %msg) = @_;
		2557
		2558	return unless $self->extcmd;
		2559
		2560	$msg{msgtype} = "event_$type";
		2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2562	}
1972		2563
1973	=item $success = $client->query ($flags, "text", \&cb)	2564	=item $success = $client->query ($flags, "text", \&cb)
1974		2565
1975	Queues a query to the client, calling the given callback with	2566	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2567	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2568	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2569
1979	Queries can fail, so check the return code. Or don't, as queries will become	2570	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2571	become reliable at some point in the future.
1981		2572
1982	=cut	2573	=cut
1983		2574
1984	sub cf::client::query {	2575	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2576	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2584	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2585	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2586
1996	$self->send_packet ($self->{query_queue}[0][0])	2587	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2588	if @{ $self->{query_queue} } == 1;
		2589
		2590	1
1998	}	2591	}
1999		2592
2000	cf::client->attach (	2593	cf::client->attach (
		2594	on_connect => sub {
		2595	my ($ns) = @_;
		2596
		2597	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2598	},
2001	on_reply => sub {	2599	on_reply => sub {
2002	my ($ns, $msg) = @_;	2600	my ($ns, $msg) = @_;
2003		2601
2004	# this weird shuffling is so that direct followup queries	2602	# this weird shuffling is so that direct followup queries
2005	# get handled first	2603	# get handled first
…		…
2017	} else {	2615	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2616	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2617	}
2020	}	2618	}
2021	},	2619	},
		2620	on_exticmd => sub {
		2621	my ($ns, $buf) = @_;
		2622
		2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2624
		2625	if (ref $msg) {
		2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2627	if (my %reply = $cb->($ns, $msg)) {
		2628	$reply{msgid} = $msg->{msgid};
		2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2630	}
		2631	}
		2632	} else {
		2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2634	}
		2635
		2636	cf::override;
		2637	},
2022	);	2638	);
2023		2639
2024	=item $client->async (\&cb)	2640	=item $client->async (\&cb)
2025		2641
2026	Create a new coroutine, running the specified callback. The coroutine will	2642	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		2689
2074	# here we export the classes and methods available to script code	2690	# here we export the classes and methods available to script code
2075		2691
2076	=pod	2692	=pod
2077		2693
2078	The following fucntions and emthods are available within a safe environment:	2694	The following functions and methods are available within a safe environment:
2079		2695
2080	cf::object contr pay_amount pay_player map	2696	cf::object
		2697	contr pay_amount pay_player map x y force_find force_add
		2698	insert remove
		2699
2081	cf::object::player player	2700	cf::object::player
2082	cf::player peaceful	2701	player
2083	cf::map trigger	2702
		2703	cf::player
		2704	peaceful
		2705
		2706	cf::map
		2707	trigger
2084		2708
2085	=cut	2709	=cut
2086		2710
2087	for (	2711	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2713	insert remove)],
2089	["cf::object::player" => qw(player)],	2714	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2715	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2716	["cf::map" => qw(trigger)],
2092	) {	2717	) {
2093	no strict 'refs';	2718	no strict 'refs';
…		…
2164	=back	2789	=back
2165		2790
2166	=cut	2791	=cut
2167		2792
2168	#############################################################################	2793	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2794	# the server's init and main functions
2278		2795
2279	sub load_resources {	2796	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2797	my ($path) = @_;
		2798
		2799	warn "loading facedata from $path\n";
		2800
		2801	my $facedata;
		2802	0 < aio_load $path, $facedata
		2803	or die "$path: $!";
		2804
		2805	$facedata = Coro::Storable::thaw $facedata;
		2806
		2807	$facedata->{version} == 2
		2808	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2809
		2810	{
		2811	my $faces = $facedata->{faceinfo};
		2812
		2813	while (my ($face, $info) = each %$faces) {
		2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2815	cf::face::set_visibility $idx, $info->{visibility};
		2816	cf::face::set_magicmap $idx, $info->{magicmap};
		2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2819
		2820	cf::cede_to_tick;
		2821	}
		2822
		2823	while (my ($face, $info) = each %$faces) {
		2824	next unless $info->{smooth};
		2825	my $idx = cf::face::find $face
		2826	or next;
		2827	if (my $smooth = cf::face::find $info->{smooth}) {
		2828	cf::face::set_smooth $idx, $smooth;
		2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2830	} else {
		2831	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2832	}
		2833
		2834	cf::cede_to_tick;
		2835	}
		2836	}
		2837
		2838	{
		2839	my $anims = $facedata->{animinfo};
		2840
		2841	while (my ($anim, $info) = each %$anims) {
		2842	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2843	cf::cede_to_tick;
		2844	}
		2845
		2846	cf::anim::invalidate_all; # d'oh
		2847	}
		2848
		2849	{
		2850	# TODO: for gcfclient pleasure, we should give resources
		2851	# that gcfclient doesn't grok a >10000 face index.
		2852	my $res = $facedata->{resource};
		2853	my $enc = JSON::XS->new->utf8->canonical;
		2854
		2855	while (my ($name, $info) = each %$res) {
		2856	my $meta = $enc->encode ({
		2857	name => $name,
		2858	type => $info->{type},
		2859	copyright => $info->{copyright}, #TODO#
		2860	});
		2861
		2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2863
		2864	if ($name =~ /\.jpg$/) {
		2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2867	} else {
		2868	my $data = pack "(w/a*)*", $meta, $info->{data};
		2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2870
		2871	cf::face::set_type $idx, 1;
		2872	cf::face::set_data $idx, 0, $data, $chk;
		2873	}
		2874
		2875	cf::cede_to_tick;
		2876	}
		2877	}
		2878
		2879	1
		2880	}
		2881
		2882	sub reload_regions {
		2883	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	2884	or die "unable to load regions file\n";
		2885
		2886	for (cf::region::list) {
		2887	$_->{match} = qr/$_->{match}/
		2888	if exists $_->{match};
		2889	}
		2890	}
		2891
		2892	sub reload_facedata {
		2893	load_facedata "$DATADIR/facedata"
		2894	or die "unable to load facedata\n";
		2895	}
		2896
		2897	sub reload_archetypes {
		2898	load_resource_file "$DATADIR/archetypes"
		2899	or die "unable to load archetypes\n";
		2900	#d# NEED to laod twice to resolve forward references
		2901	# this really needs to be done in an extra post-pass
		2902	# (which needs to be synchronous, so solve it differently)
		2903	load_resource_file "$DATADIR/archetypes"
		2904	or die "unable to load archetypes\n";
		2905	}
		2906
		2907	sub reload_treasures {
		2908	load_resource_file "$DATADIR/treasures"
		2909	or die "unable to load treasurelists\n";
		2910	}
		2911
		2912	sub reload_resources {
		2913	warn "reloading resource files...\n";
		2914
		2915	reload_regions;
		2916	reload_facedata;
		2917	#reload_archetypes;#d#
		2918	reload_archetypes;
		2919	reload_treasures;
		2920
		2921	warn "finished reloading resource files\n";
		2922	}
		2923
		2924	sub init {
		2925	reload_resources;
2282	}	2926	}
2283		2927
2284	sub cfg_load {	2928	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2929	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	2930	or return;
2287		2931
2288	local $/;	2932	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	2933	*CFG = YAML::Syck::Load <$fh>;
2290		2934
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2942	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2943	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2944	};
2301	warn $@ if $@;	2945	warn $@ if $@;
2302	}	2946	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2947	}
2308		2948
2309	sub main {	2949	sub main {
2310	# we must not ever block the main coroutine	2950	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2951	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2954	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2955	})->prio (Coro::PRIO_MAX);
2316	};	2956	};
2317		2957
2318	cfg_load;	2958	cfg_load;
2319	db_load;	2959	db_init;
2320	load_extensions;	2960	load_extensions;
2321		2961
2322	$TICK_WATCHER->start;	2962	$TICK_WATCHER->start;
2323	Event::loop;	2963	Event::loop;
2324	}	2964	}
…		…
2339	},	2979	},
2340	);	2980	);
2341	}	2981	}
2342	}	2982	}
2343		2983
		2984	sub write_runtime {
		2985	my $runtime = "$LOCALDIR/runtime";
		2986
		2987	# first touch the runtime file to show we are still running:
		2988	# the fsync below can take a very very long time.
		2989
		2990	IO::AIO::aio_utime $runtime, undef, undef;
		2991
		2992	my $guard = cf::lock_acquire "write_runtime";
		2993
		2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2995	or return;
		2996
		2997	my $value = $cf::RUNTIME + 90 + 10;
		2998	# 10 is the runtime save interval, for a monotonic clock
		2999	# 60 allows for the watchdog to kill the server.
		3000
		3001	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3002	and return;
		3003
		3004	# always fsync - this file is important
		3005	aio_fsync $fh
		3006	and return;
		3007
		3008	# touch it again to show we are up-to-date
		3009	aio_utime $fh, undef, undef;
		3010
		3011	close $fh
		3012	or return;
		3013
		3014	aio_rename "$runtime~", $runtime
		3015	and return;
		3016
		3017	warn "runtime file written.\n";
		3018
		3019	1
		3020	}
		3021
2344	sub emergency_save() {	3022	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3023	my $freeze_guard = cf::freeze_mainloop;
2346		3024
2347	warn "enter emergency perl save\n";	3025	warn "enter emergency perl save\n";
2348		3026
…		…
2363	my $map = $cf::MAP{$path} or next;	3041	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3042	$map->valid or next;
2365	$map->save;	3043	$map->save;
2366	}	3044	}
2367	warn "end emergency map save\n";	3045	warn "end emergency map save\n";
		3046
		3047	warn "begin emergency database checkpoint\n";
		3048	BDB::db_env_txn_checkpoint $DB_ENV;
		3049	warn "end emergency database checkpoint\n";
2368	};	3050	};
2369		3051
2370	warn "leave emergency perl save\n";	3052	warn "leave emergency perl save\n";
2371	}	3053	}
2372		3054
		3055	sub post_cleanup {
		3056	my ($make_core) = @_;
		3057
		3058	warn Carp::longmess "post_cleanup backtrace"
		3059	if $make_core;
		3060	}
		3061
2373	sub reload() {	3062	sub do_reload_perl() {
2374	# can/must only be called in main	3063	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3064	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3065	warn "can only reload from main coroutine";
2377	return;	3066	return;
2378	}	3067	}
2379		3068
2380	warn "reloading...";	3069	warn "reloading...";
2381		3070
2382	warn "cancelling server ticker";	3071	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3072
		3073	cf::sync_job {
		3074	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3075	cf::emergency_save;
		3076	cf::write_runtime; # external watchdog should not bark
2386		3077
2387	eval {	3078	warn "syncing database to disk";
		3079	BDB::db_env_txn_checkpoint $DB_ENV;
		3080
2388	# if anything goes wrong in here, we should simply crash as we already saved	3081	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		3082
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3083	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3084	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3085	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3086	}
2397		3087
2398	warn "flushing outstanding aio requests";	3088	warn "flushing outstanding aio requests";
2399	for (;;) {	3089	for (;;) {
		3090	BDB::flush;
2400	IO::AIO::flush;	3091	IO::AIO::flush;
2401	Coro::cede;	3092	Coro::cede;
2402	last unless IO::AIO::nreqs;	3093	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3094	warn "iterate...";
2404	}	3095	}
		3096
		3097	++$RELOAD;
2405		3098
2406	warn "cancelling all extension coros";	3099	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3100	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3101	%EXT_CORO = ();
2409		3102
2410	warn "removing commands";	3103	warn "removing commands";
2411	%COMMAND = ();	3104	%COMMAND = ();
2412		3105
2413	warn "removing ext commands";	3106	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3107	%EXTCMD = ();
		3108	%EXTICMD = ();
2415		3109
2416	warn "unloading/nuking all extensions";	3110	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3111	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3112	warn "... unloading $pkg";
2419		3113
…		…
2449	Symbol::delete_package "safe::$_"	3143	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3145
2452	warn "unloading cf.pm \"a bit\"";	3146	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3147	delete $INC{"cf.pm"};
		3148	delete $INC{"cf/pod.pm"};
2454		3149
2455	# don't, removes xs symbols, too,	3150	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3151	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3152	#Symbol::delete_package __PACKAGE__;
2458		3153
…		…
2462	require cf;	3157	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3158	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3159
2465	warn "loading config and database again";	3160	warn "loading config and database again";
2466	cf::cfg_load;	3161	cf::cfg_load;
2467	cf::db_load;
2468		3162
2469	warn "loading extensions";	3163	warn "loading extensions";
2470	cf::load_extensions;	3164	cf::load_extensions;
2471		3165
2472	warn "reattaching attachments to objects/players";	3166	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3167	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3168	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3169	reattach $_ for values %MAP;
		3170	warn "reattaching attachments to players";
		3171	reattach $_ for values %PLAYER;
2476		3172
2477	warn "loading reloadable resources";	3173	warn "leaving sync_job";
2478	load_resources;
2479		3174
2480	warn "restarting server ticker";	3175	1
2481		3176	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3177	warn $@;
2487	warn "error while reloading, exiting.";	3178	warn "error while reloading, exiting.";
2488	exit 1;	3179	exit 1;
2489	}	3180	};
2490		3181
2491	warn "reloaded";	3182	warn "reloaded";
2492	};	3183	};
2493		3184
2494	our $RELOAD_WATCHER; # used only during reload	3185	our $RELOAD_WATCHER; # used only during reload
2495		3186
		3187	sub reload_perl() {
		3188	# doing reload synchronously and two reloads happen back-to-back,
		3189	# coro crashes during coro_state_free->destroy here.
		3190
		3191	$RELOAD_WATCHER ||= Event->timer (
		3192	reentrant => 0,
		3193	after => 0,
		3194	data => WF_AUTOCANCEL,
		3195	cb => sub {
		3196	do_reload_perl;
		3197	undef $RELOAD_WATCHER;
		3198	},
		3199	);
		3200	}
		3201
2496	register_command "reload" => sub {	3202	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3203	my ($who, $arg) = @_;
2498		3204
2499	if ($who->flag (FLAG_WIZ)) {	3205	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3206	$who->message ("reloading server.");
2501		3207	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	3208	}
2515	};	3209	};
2516		3210
2517	unshift @INC, $LIBDIR;	3211	unshift @INC, $LIBDIR;
2518		3212
2519	my $bug_warning = 0;	3213	my $bug_warning = 0;
2520		3214
		3215	our @WAIT_FOR_TICK;
		3216	our @WAIT_FOR_TICK_BEGIN;
		3217
		3218	sub wait_for_tick {
		3219	return unless $TICK_WATCHER->is_active;
		3220	return if $Coro::current == $Coro::main;
		3221
		3222	my $signal = new Coro::Signal;
		3223	push @WAIT_FOR_TICK, $signal;
		3224	$signal->wait;
		3225	}
		3226
		3227	sub wait_for_tick_begin {
		3228	return unless $TICK_WATCHER->is_active;
		3229	return if $Coro::current == $Coro::main;
		3230
		3231	my $signal = new Coro::Signal;
		3232	push @WAIT_FOR_TICK_BEGIN, $signal;
		3233	$signal->wait;
		3234	}
		3235
		3236	my $min = 1e6;#d#
		3237	my $avg = 10;
2521	$TICK_WATCHER = Event->timer (	3238	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3239	reentrant => 0,
2523	parked => 1,	3240	parked => 1,
2524	prio => 0,	3241	prio => 0,
2525	at => $NEXT_TICK || $TICK,	3242	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3247	unless ++$bug_warning > 10;
2531	return;	3248	return;
2532	}	3249	}
2533		3250
2534	$NOW = Event::time;	3251	$NOW = $tick_start = Event::time;
2535		3252
2536	cf::server_tick; # one server iteration	3253	cf::server_tick; # one server iteration
		3254
		3255	0 && sync_job {#d#
		3256	for(1..10) {
		3257	my $t = Event::time;
		3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3259	or die;
		3260
		3261	$map->width (50);
		3262	$map->height (50);
		3263	$map->alloc;
		3264	$map->_load_objects ("/tmp/x.map", 1);
		3265	my $t = Event::time - $t;
		3266
		3267	#next unless $t < 0.0013;#d#
		3268	if ($t < $min) {
		3269	$min = $t;
		3270	}
		3271	$avg = $avg * 0.99 + $t * 0.01;
		3272	}
		3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3274	exit 0;
		3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3276	};
		3277
2537	$RUNTIME += $TICK;	3278	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3279	$NEXT_TICK += $TICK;
2539		3280
2540	$WAIT_FOR_TICK->broadcast;	3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3283	Coro::async_pool {
2543	Event::sweep;	3284	write_runtime
2544	Coro::cede_notself;	3285	or warn "ERROR: unable to write runtime file: $!";
		3286	};
2545		3287	}
		3288
2546	# my $AFTER = Event::time;	3289	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3290	# warn $AFTER - $NOW;#d#
2548		3291
		3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3293	$sig->send;
		3294	}
		3295	while (my $sig = shift @WAIT_FOR_TICK) {
		3296	$sig->send;
		3297	}
		3298
		3299	$NOW = Event::time;
		3300
2549	# if we are delayed by four ticks or more, skip them all	3301	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3303
2552	$TICK_WATCHER->at ($NEXT_TICK);	3304	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3305	$TICK_WATCHER->start;
		3306
		3307	$LOAD = ($NOW - $tick_start) / $TICK;
		3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3309
		3310	_post_tick;
		3311
		3312
2554	},	3313	},
2555	);	3314	);
2556		3315
		3316	{
		3317	BDB::max_poll_time $TICK * 0.1;
		3318	$BDB_POLL_WATCHER = Event->io (
		3319	reentrant => 0,
		3320	fd => BDB::poll_fileno,
		3321	poll => 'r',
		3322	prio => 0,
		3323	data => WF_AUTOCANCEL,
		3324	cb => \&BDB::poll_cb,
		3325	);
		3326	BDB::min_parallel 8;
		3327
		3328	BDB::set_sync_prepare {
		3329	my $status;
		3330	my $current = $Coro::current;
		3331	(
		3332	sub {
		3333	$status = $!;
		3334	$current->ready; undef $current;
		3335	},
		3336	sub {
		3337	Coro::schedule while defined $current;
		3338	$! = $status;
		3339	},
		3340	)
		3341	};
		3342
		3343	unless ($DB_ENV) {
		3344	$DB_ENV = BDB::db_env_create;
		3345
		3346	cf::sync_job {
		3347	eval {
		3348	BDB::db_env_open
		3349	$DB_ENV,
		3350	$BDBDIR,
		3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3353	0666;
		3354
		3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3356
		3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3358	$DB_ENV->set_lk_detect;
		3359	};
		3360
		3361	cf::cleanup "db_env_open(db): $@" if $@;
		3362	};
		3363	}
		3364	}
		3365
		3366	{
		3367	IO::AIO::min_parallel 8;
		3368
		3369	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3370	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3371	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3372	reentrant => 0,
		3373	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3374	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3375	poll => 'r',
2564	prio => 6,	3376	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3377	cb => \&IO::AIO::poll_cb,
2567	);	3378	);
		3379	}
2568		3380
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3381	my $_log_backtrace;
2570	reentrant => 0,	3382
2571	data => WF_AUTOCANCEL,	3383	sub _log_backtrace {
2572	after => 1,	3384	my ($msg, @addr) = @_;
2573	interval => 10,	3385
2574	prio => 6, # keep it lowest so it acts like a watchdog	3386	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3387
2576	write_runtime	3388	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3389	if ($_log_backtrace < 2) {
		3390	++$_log_backtrace;
		3391	async {
		3392	my @bt = fork_call {
		3393	@addr = map { sprintf "%x", $_ } @addr;
		3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3396	or die "addr2line: $!";
		3397
		3398	my @funcs;
		3399	my @res = <$fh>;
		3400	chomp for @res;
		3401	while (@res) {
		3402	my ($func, $line) = splice @res, 0, 2, ();
		3403	push @funcs, "[$func] $line";
		3404	}
		3405
		3406	@funcs
		3407	};
		3408
		3409	LOG llevInfo, "[ABT] $msg\n";
		3410	LOG llevInfo, "[ABT] $_\n" for @bt;
		3411	--$_log_backtrace;
		3412	};
		3413	} else {
		3414	LOG llevInfo, "[ABT] $msg\n";
		3415	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3416	}
2579	);	3417	}
		3418
		3419	# load additional modules
		3420	use cf::pod;
2580		3421
2581	END { cf::emergency_save }	3422	END { cf::emergency_save }
2582		3423
2583	1	3424	1
2584		3425

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