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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.3 (); 15use Coro 3.61 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
19 24
25use BDB ();
20use Data::Dumper; 26use Data::Dumper;
21use Digest::MD5; 27use Digest::MD5;
22use Fcntl; 28use Fcntl;
29use YAML::Syck ();
23use IO::AIO 2.32 (); 30use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 31use Time::HiRes;
32use Compress::LZF;
26 33
34# configure various modules to our taste
35#
36$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 40$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 41
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 43$YAML::Syck::ImplicitUnicode = 1;
33 44
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35 48
36our %COMMAND = (); 49our %COMMAND = ();
37our %COMMAND_TIME = (); 50our %COMMAND_TIME = ();
38 51
39our @EXTS = (); # list of extension package names 52our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 53our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
43 56
57our $RELOAD; # number of reloads so far
44our @EVENT; 58our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 59
47our $TICK = MAX_TIME * 1e-6; 60our $CONFDIR = confdir;
61our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db";
71
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48our $TICK_WATCHER; 73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49our $NEXT_TICK; 76our $NEXT_TICK;
50our $NOW; 77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off
79
80our $BDB_POLL_WATCHER;
81our $DB_ENV;
51 82
52our %CFG; 83our %CFG;
53 84
54our $UPTIME; $UPTIME ||= time; 85our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 86our $RUNTIME;
56 87
57our %PLAYER; # all users 88our %PLAYER; # all users
58our %MAP; # all maps 89our %MAP; # all maps
59our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random";
61
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64 91
65# used to convert map paths into valid unix filenames by replacing / by ∕ 92# used to convert map paths into valid unix filenames by replacing / by ∕
66our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67 94
95our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing
97our $tick_start; # for load detecting purposes
98
68binmode STDOUT; 99binmode STDOUT;
69binmode STDERR; 100binmode STDERR;
70 101
71# read virtual server time, if available 102# read virtual server time, if available
72unless ($RUNTIME || !-e cf::localdir . "/runtime") { 103unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73 open my $fh, "<", cf::localdir . "/runtime" 104 open my $fh, "<", "$LOCALDIR/runtime"
74 or die "unable to read runtime file: $!"; 105 or die "unable to read runtime file: $!";
75 $RUNTIME = <$fh> + 0.; 106 $RUNTIME = <$fh> + 0.;
76} 107}
77 108
78mkdir cf::localdir; 109mkdir $_
79mkdir cf::localdir . "/" . cf::playerdir; 110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80mkdir cf::localdir . "/" . cf::tmpdir;
81mkdir cf::localdir . "/" . cf::uniquedir;
82mkdir $RANDOM_MAPS;
83 111
84our $EMERGENCY_POSITION; 112our $EMERGENCY_POSITION;
113
114sub cf::map::normalise;
85 115
86############################################################################# 116#############################################################################
87 117
88=head2 GLOBAL VARIABLES 118=head2 GLOBAL VARIABLES
89 119
96=item $cf::RUNTIME 126=item $cf::RUNTIME
97 127
98The time this server has run, starts at 0 and is increased by $cf::TICK on 128The time this server has run, starts at 0 and is increased by $cf::TICK on
99every server tick. 129every server tick.
100 130
101=item $cf::LIBDIR 131=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102 134
103The perl library directory, where extensions and cf-specific modules can 135Various directories - "/etc", read-only install directory, perl-library
104be found. It will be added to C<@INC> automatically. 136directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137unique-items directory, player file directory, random maps directory and
138database environment.
105 139
106=item $cf::NOW 140=item $cf::NOW
107 141
108The time of the last (current) server tick. 142The time of the last (current) server tick.
109 143
110=item $cf::TICK 144=item $cf::TICK
111 145
112The interval between server ticks, in seconds. 146The interval between server ticks, in seconds.
147
148=item $cf::LOADAVG
149
150The current CPU load on the server (alpha-smoothed), as a value between 0
151(none) and 1 (overloaded), indicating how much time is spent on processing
152objects per tick. Healthy values are < 0.5.
153
154=item $cf::LOAD
155
156The raw value load value from the last tick.
113 157
114=item %cf::CFG 158=item %cf::CFG
115 159
116Configuration for the server, loaded from C</etc/crossfire/config>, or 160Configuration for the server, loaded from C</etc/crossfire/config>, or
117from wherever your confdir points to. 161from wherever your confdir points to.
118 162
119=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 163=item cf::wait_for_tick, cf::wait_for_tick_begin
120 164
121These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 166returns directly I<after> the tick processing (and consequently, can only wake one process
123processing has been done. Call C<< ->wait >> on them to maximise the 167per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124window of cpu time available, or simply to synchronise to the server tick.
125 168
126=back 169=back
127 170
128=cut 171=cut
129 172
130BEGIN { 173BEGIN {
131 *CORE::GLOBAL::warn = sub { 174 *CORE::GLOBAL::warn = sub {
132 my $msg = join "", @_; 175 my $msg = join "", @_;
133 utf8::encode $msg;
134 176
135 $msg .= "\n" 177 $msg .= "\n"
136 unless $msg =~ /\n$/; 178 unless $msg =~ /\n$/;
137 179
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181
182 utf8::encode $msg;
138 LOG llevError, $msg; 183 LOG llevError, $msg;
139 }; 184 };
140} 185}
141 186
142@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
192@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 193@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148 194
149# we bless all objects into (empty) derived classes to force a method lookup 195# we bless all objects into (empty) derived classes to force a method lookup
150# within the Safe compartment. 196# within the Safe compartment.
151for my $pkg (qw( 197for my $pkg (qw(
152 cf::global cf::attachable 198 cf::global cf::attachable
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 235 $d
190 } || "[unable to dump $_[0]: '$@']"; 236 } || "[unable to dump $_[0]: '$@']";
191} 237}
192 238
193use JSON::Syck (); # TODO# replace by JSON::PC once working 239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194 240
195=item $ref = cf::from_json $json 241=item $ref = cf::from_json $json
196 242
197Converts a JSON string into the corresponding perl data structure. 243Converts a JSON string into the corresponding perl data structure.
198 244
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 245=item $json = cf::to_json $ref
207 246
208Converts a perl data structure into its JSON representation. 247Converts a perl data structure into its JSON representation.
209
210=cut
211
212sub to_json($) {
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214 JSON::Syck::Dump $_[0]
215}
216 248
217=item cf::lock_wait $string 249=item cf::lock_wait $string
218 250
219Wait until the given lock is available. See cf::lock_acquire. 251Wait until the given lock is available. See cf::lock_acquire.
220 252
226returned. 258returned.
227 259
228Lock names should begin with a unique identifier (for example, cf::map::find 260Lock names should begin with a unique identifier (for example, cf::map::find
229uses map_find and cf::map::load uses map_load). 261uses map_find and cf::map::load uses map_load).
230 262
263=item $locked = cf::lock_active $string
264
265Return true if the lock is currently active, i.e. somebody has locked it.
266
231=cut 267=cut
232 268
233our %LOCK; 269our %LOCK;
234 270
235sub lock_wait($) { 271sub lock_wait($) {
254 # wake up all waiters, to be on the safe side 290 # wake up all waiters, to be on the safe side
255 $_->ready for @{ delete $LOCK{$key} }; 291 $_->ready for @{ delete $LOCK{$key} };
256 } 292 }
257} 293}
258 294
295sub lock_active($) {
296 my ($key) = @_;
297
298 ! ! $LOCK{$key}
299}
300
259sub freeze_mainloop { 301sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 302 return unless $TICK_WATCHER->is_active;
261 303
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 304 my $guard = Coro::guard {
305 $TICK_WATCHER->start;
306 };
263 $TICK_WATCHER->stop; 307 $TICK_WATCHER->stop;
264 $guard 308 $guard
265} 309}
266 310
267=item cf::async { BLOCK } 311=item cf::async { BLOCK }
289 333
290sub sync_job(&) { 334sub sync_job(&) {
291 my ($job) = @_; 335 my ($job) = @_;
292 336
293 if ($Coro::current == $Coro::main) { 337 if ($Coro::current == $Coro::main) {
338 my $time = Event::time;
339
294 # this is the main coro, too bad, we have to block 340 # this is the main coro, too bad, we have to block
295 # till the operation succeeds, freezing the server :/ 341 # till the operation succeeds, freezing the server :/
296 342
297 # TODO: use suspend/resume instead 343 # TODO: use suspend/resume instead
298 # (but this is cancel-safe) 344 # (but this is cancel-safe)
309 355
310 while ($busy) { 356 while ($busy) {
311 Coro::cede or Event::one_event; 357 Coro::cede or Event::one_event;
312 } 358 }
313 359
360 $time = Event::time - $time;
361
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load
366
314 wantarray ? @res : $res[0] 367 wantarray ? @res : $res[0]
315 } else { 368 } else {
316 # we are in another coroutine, how wonderful, everything just works 369 # we are in another coroutine, how wonderful, everything just works
317 370
318 $job->() 371 $job->()
338 391
339 $coro 392 $coro
340} 393}
341 394
342sub write_runtime { 395sub write_runtime {
343 return unless $TICK_WATCHER->is_active; 396 my $runtime = "$LOCALDIR/runtime";
344 397
345 my $runtime = cf::localdir . "/runtime"; 398 # first touch the runtime file to show we are still running:
399 # the fsync below can take a very very long time.
400
401 IO::AIO::aio_utime $runtime, undef, undef;
402
403 my $guard = cf::lock_acquire "write_runtime";
346 404
347 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
348 or return; 406 or return;
349 407
408 my $value = $cf::RUNTIME + 90 + 10;
350 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 409 # 10 is the runtime save interval, for a monotonic clock
410 # 60 allows for the watchdog to kill the server.
411
351 (aio_write $fh, 0, (length $value), $value, 0) <= 0 412 (aio_write $fh, 0, (length $value), $value, 0) <= 0
352 and return; 413 and return;
353 414
415 # always fsync - this file is important
354 aio_fsync $fh 416 aio_fsync $fh
355 and return; 417 and return;
356 418
419 # touch it again to show we are up-to-date
420 aio_utime $fh, undef, undef;
421
357 close $fh 422 close $fh
358 or return; 423 or return;
359 424
360 aio_rename "$runtime~", $runtime 425 aio_rename "$runtime~", $runtime
361 and return; 426 and return;
362 427
428 warn "runtime file written.\n";
429
363 1 430 1
431}
432
433=item cf::datalog type => key => value, ...
434
435Log a datalog packet of the given type with the given key-value pairs.
436
437=cut
438
439sub datalog($@) {
440 my ($type, %kv) = @_;
441 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364} 442}
365 443
366=back 444=back
367 445
368=cut 446=cut
499our @CB_TYPE = (); # registry for type (cf-object class) based events 577our @CB_TYPE = (); # registry for type (cf-object class) based events
500our @CB_MAP = (); 578our @CB_MAP = ();
501 579
502my %attachment; 580my %attachment;
503 581
582sub cf::attachable::thawer_merge {
583 # simply override everything except _meta
584 local $_[0]{_meta};
585 %{$_[0]} = %{$_[1]};
586}
587
504sub _attach_cb($$$$) { 588sub _attach_cb($$$$) {
505 my ($registry, $event, $prio, $cb) = @_; 589 my ($registry, $event, $prio, $cb) = @_;
506 590
507 use sort 'stable'; 591 use sort 'stable';
508 592
542 $registry = $CB_TYPE[$object_type] ||= []; 626 $registry = $CB_TYPE[$object_type] ||= [];
543 627
544 } elsif ($type eq "subtype") { 628 } elsif ($type eq "subtype") {
545 defined $object_type or Carp::croak "subtype specified without type"; 629 defined $object_type or Carp::croak "subtype specified without type";
546 my $object_subtype = shift @arg; 630 my $object_subtype = shift @arg;
547 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 631 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548 632
549 } elsif ($type eq "package") { 633 } elsif ($type eq "package") {
550 my $pkg = shift @arg; 634 my $pkg = shift @arg;
551 635
552 while (my ($name, $id) = each %cb_id) { 636 while (my ($name, $id) = each %cb_id) {
593 if (ref $_[0]) { 677 if (ref $_[0]) {
594 _object_attach @_; 678 _object_attach @_;
595 } else { 679 } else {
596 _attach shift->_attach_registry, @_; 680 _attach shift->_attach_registry, @_;
597 } 681 }
682 _recalc_want;
598}; 683};
599 684
600# all those should be optimised 685# all those should be optimised
601sub cf::attachable::detach { 686sub cf::attachable::detach {
602 my ($obj, $name) = @_; 687 my ($obj, $name) = @_;
605 delete $obj->{_attachment}{$name}; 690 delete $obj->{_attachment}{$name};
606 reattach ($obj); 691 reattach ($obj);
607 } else { 692 } else {
608 Carp::croak "cannot, currently, detach class attachments"; 693 Carp::croak "cannot, currently, detach class attachments";
609 } 694 }
695 _recalc_want;
610}; 696};
611 697
612sub cf::attachable::attached { 698sub cf::attachable::attached {
613 my ($obj, $name) = @_; 699 my ($obj, $name) = @_;
614 700
679# object support 765# object support
680 766
681sub reattach { 767sub reattach {
682 # basically do the same as instantiate, without calling instantiate 768 # basically do the same as instantiate, without calling instantiate
683 my ($obj) = @_; 769 my ($obj) = @_;
770
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684 772
685 my $registry = $obj->registry; 773 my $registry = $obj->registry;
686 774
687 @$registry = (); 775 @$registry = ();
688 776
735 $filename, length $$rdata, scalar @$objs; 823 $filename, length $$rdata, scalar @$objs;
736 824
737 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738 chmod SAVE_MODE, $fh; 826 chmod SAVE_MODE, $fh;
739 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 827 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740 aio_fsync $fh; 828 aio_fsync $fh if $cf::USE_FSYNC;
741 close $fh; 829 close $fh;
742 830
743 if (@$objs) { 831 if (@$objs) {
744 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745 chmod SAVE_MODE, $fh; 833 chmod SAVE_MODE, $fh;
746 my $data = Storable::nfreeze { version => 1, objs => $objs }; 834 my $data = Storable::nfreeze { version => 1, objs => $objs };
747 aio_write $fh, 0, (length $data), $data, 0; 835 aio_write $fh, 0, (length $data), $data, 0;
748 aio_fsync $fh; 836 aio_fsync $fh if $cf::USE_FSYNC;
749 close $fh; 837 close $fh;
750 aio_rename "$filename.pst~", "$filename.pst"; 838 aio_rename "$filename.pst~", "$filename.pst";
751 } 839 }
752 } else { 840 } else {
753 aio_unlink "$filename.pst"; 841 aio_unlink "$filename.pst";
785 or return; 873 or return;
786 $av = eval { (Storable::thaw $av)->{objs} }; 874 $av = eval { (Storable::thaw $av)->{objs} };
787 } 875 }
788 876
789 warn sprintf "loading %s (%d)\n", 877 warn sprintf "loading %s (%d)\n",
790 $filename, length $data, scalar @{$av || []};#d# 878 $filename, length $data, scalar @{$av || []};
791 return ($data, $av); 879 return ($data, $av);
792} 880}
793 881
794############################################################################# 882#############################################################################
795# command handling &c 883# command handling &c
922Returns the given player object, loading it if necessary (might block). 1010Returns the given player object, loading it if necessary (might block).
923 1011
924=cut 1012=cut
925 1013
926sub playerdir($) { 1014sub playerdir($) {
927 cf::localdir 1015 "$PLAYERDIR/"
928 . "/"
929 . cf::playerdir
930 . "/"
931 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1016 . (ref $_[0] ? $_[0]->ob->name : $_[0])
932} 1017}
933 1018
934sub path($) { 1019sub path($) {
935 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1020 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936 1021
937 (playerdir $login) . "/$login.pl" 1022 (playerdir $login) . "/playerdata"
938} 1023}
939 1024
940sub find_active($) { 1025sub find_active($) {
941 $cf::PLAYER{$_[0]} 1026 $cf::PLAYER{$_[0]}
942 and $cf::PLAYER{$_[0]}->active 1027 and $cf::PLAYER{$_[0]}->active
945 1030
946sub exists($) { 1031sub exists($) {
947 my ($login) = @_; 1032 my ($login) = @_;
948 1033
949 $cf::PLAYER{$login} 1034 $cf::PLAYER{$login}
950 or cf::sync_job { !aio_stat $login } 1035 or cf::sync_job { !aio_stat path $login }
951} 1036}
952 1037
953sub find($) { 1038sub find($) {
954 return $cf::PLAYER{$_[0]} || do { 1039 return $cf::PLAYER{$_[0]} || do {
955 my $login = $_[0]; 1040 my $login = $_[0];
956 1041
957 my $guard = cf::lock_acquire "user_find:$login"; 1042 my $guard = cf::lock_acquire "user_find:$login";
958 1043
959 $cf::PLAYER{$_[0]} || do { 1044 $cf::PLAYER{$_[0]} || do {
1045 # rename old playerfiles to new ones
1046 #TODO: remove when no longer required
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl";
1051
960 my $pl = load_pl path $login 1052 my $pl = load_pl path $login
961 or return; 1053 or return;
962 $cf::PLAYER{$login} = $pl 1054 $cf::PLAYER{$login} = $pl
963 } 1055 }
964 } 1056 }
1001 1093
1002=cut 1094=cut
1003 1095
1004sub quit_character { 1096sub quit_character {
1005 my ($pl) = @_; 1097 my ($pl) = @_;
1098
1099 my $name = $pl->ob->name;
1006 1100
1007 $pl->{deny_save} = 1; 1101 $pl->{deny_save} = 1;
1008 $pl->password ("*"); # this should lock out the player until we nuked the dir 1102 $pl->password ("*"); # this should lock out the player until we nuked the dir
1009 1103
1010 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015 my $path = playerdir $pl; 1109 my $path = playerdir $pl;
1016 my $temp = "$path~$cf::RUNTIME~deleting~"; 1110 my $temp = "$path~$cf::RUNTIME~deleting~";
1017 aio_rename $path, $temp; 1111 aio_rename $path, $temp;
1018 delete $cf::PLAYER{$pl->ob->name}; 1112 delete $cf::PLAYER{$pl->ob->name};
1019 $pl->destroy; 1113 $pl->destroy;
1114
1115 my $prefix = qr<^~\Q$name\E/>;
1116
1117 # nuke player maps
1118 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1119
1020 IO::AIO::aio_rmtree $temp; 1120 IO::AIO::aio_rmtree $temp;
1121}
1122
1123=item $pl->kick
1124
1125Kicks a player out of the game. This destroys the connection.
1126
1127=cut
1128
1129sub kick {
1130 my ($pl, $kicker) = @_;
1131
1132 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1133 $pl->killer ("kicked");
1134 $pl->ns->destroy;
1021} 1135}
1022 1136
1023=item cf::player::list_logins 1137=item cf::player::list_logins
1024 1138
1025Returns am arrayref of all valid playernames in the system, can take a 1139Returns am arrayref of all valid playernames in the system, can take a
1026while and may block, so not sync_job-capable, ever. 1140while and may block, so not sync_job-capable, ever.
1027 1141
1028=cut 1142=cut
1029 1143
1030sub list_logins { 1144sub list_logins {
1031 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1145 my $dirs = aio_readdir $PLAYERDIR
1032 or return []; 1146 or return [];
1033 1147
1034 my @logins; 1148 my @logins;
1035 1149
1036 for my $login (@$dirs) { 1150 for my $login (@$dirs) {
1053=cut 1167=cut
1054 1168
1055sub maps($) { 1169sub maps($) {
1056 my ($pl) = @_; 1170 my ($pl) = @_;
1057 1171
1172 $pl = ref $pl ? $pl->ob->name : $pl;
1173
1058 my $files = aio_readdir playerdir $pl 1174 my $files = aio_readdir playerdir $pl
1059 or return; 1175 or return;
1060 1176
1061 my @paths; 1177 my @paths;
1062 1178
1063 for (@$files) { 1179 for (@$files) {
1064 utf8::decode $_; 1180 utf8::decode $_;
1065 next if /\.(?:pl|pst)$/; 1181 next if /\.(?:pl|pst)$/;
1066 next unless /^$PATH_SEP/o; 1182 next unless /^$PATH_SEP/o;
1067 1183
1068 s/\.map$//; 1184 push @paths, cf::map::normalise "~$pl/$_";
1069 push @paths, "~" . $pl->ob->name . "/" . $_;
1070 } 1185 }
1071 1186
1072 \@paths 1187 \@paths
1073} 1188}
1074 1189
1075=item $player->ext_reply ($msgid, $msgtype, %msg) 1190=item $player->ext_reply ($msgid, %msg)
1076 1191
1077Sends an ext reply to the player. 1192Sends an ext reply to the player.
1078 1193
1079=cut 1194=cut
1080 1195
1081sub ext_reply($$$%) { 1196sub ext_reply($$%) {
1082 my ($self, $id, %msg) = @_; 1197 my ($self, $id, %msg) = @_;
1083 1198
1084 $msg{msgid} = $id; 1199 $msg{msgid} = $id;
1085 1200
1086 $self->send ("ext " . cf::to_json \%msg); 1201 $self->send ("ext " . cf::to_json \%msg);
1087} 1202}
1088 1203
1089package cf; 1204=item $player->ext_event ($type, %msg)
1205
1206Sends an ext event to the client.
1207
1208=cut
1209
1210sub ext_event($$%) {
1211 my ($self, $type, %msg) = @_;
1212
1213 $self->ns->ext_event ($type, %msg);
1214}
1215
1216=head3 cf::region
1217
1218=over 4
1219
1220=cut
1221
1222package cf::region;
1223
1224=item cf::region::find_by_path $path
1225
1226Tries to decuce the probable region for a map knowing only its path.
1227
1228=cut
1229
1230sub find_by_path($) {
1231 my ($path) = @_;
1232
1233 my ($match, $specificity);
1234
1235 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) {
1237 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity;
1239 }
1240 }
1241
1242 $match
1243}
1090 1244
1091=back 1245=back
1092
1093 1246
1094=head3 cf::map 1247=head3 cf::map
1095 1248
1096=over 4 1249=over 4
1097 1250
1101 1254
1102use Fcntl; 1255use Fcntl;
1103use Coro::AIO; 1256use Coro::AIO;
1104 1257
1105use overload 1258use overload
1106 '""' => \&as_string; 1259 '""' => \&as_string,
1260 fallback => 1;
1107 1261
1108our $MAX_RESET = 3600; 1262our $MAX_RESET = 3600;
1109our $DEFAULT_RESET = 3000; 1263our $DEFAULT_RESET = 3000;
1110 1264
1111sub generate_random_map { 1265sub generate_random_map {
1112 my ($self, $rmp) = @_; 1266 my ($self, $rmp) = @_;
1113
1114 # mit "rum" bekleckern, nicht 1267 # mit "rum" bekleckern, nicht
1115 $self->_create_random_map ( 1268 $self->_create_random_map (
1116 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1125 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1278 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126 (cf::region::find $rmp->{region}), $rmp->{custom} 1279 (cf::region::find $rmp->{region}), $rmp->{custom}
1127 ) 1280 )
1128} 1281}
1129 1282
1283=item cf::map->register ($regex, $prio)
1284
1285Register a handler for the map path matching the given regex at the
1286givne priority (higher is better, built-in handlers have priority 0, the
1287default).
1288
1289=cut
1290
1130sub register { 1291sub register {
1131 my (undef, $regex) = @_; 1292 my (undef, $regex, $prio) = @_;
1132 my $pkg = caller; 1293 my $pkg = caller;
1133 1294
1134 no strict; 1295 no strict;
1135 push @{"$pkg\::ISA"}, __PACKAGE__; 1296 push @{"$pkg\::ISA"}, __PACKAGE__;
1136 1297
1137 $EXT_MAP{$pkg} = qr<$regex>; 1298 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138} 1299}
1139 1300
1140# also paths starting with '/' 1301# also paths starting with '/'
1141$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1302$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1303
1304sub thawer_merge {
1305 my ($self, $merge) = @_;
1306
1307 # we have to keep some variables in memory intact
1308 local $self->{path};
1309 local $self->{load_path};
1310 local $self->{deny_save};
1311 local $self->{deny_reset};
1312
1313 $self->SUPER::thawer_merge ($merge);
1314}
1142 1315
1143sub normalise { 1316sub normalise {
1144 my ($path, $base) = @_; 1317 my ($path, $base) = @_;
1318
1319 $path = "$path"; # make sure its a string
1320
1321 $path =~ s/\.map$//;
1145 1322
1146 # map plan: 1323 # map plan:
1147 # 1324 #
1148 # /! non-realised random map exit (special hack!) 1325 # /! non-realised random map exit (special hack!)
1149 # {... are special paths that are not being touched 1326 # {... are special paths that are not being touched
1177 1354
1178 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1355 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179 1356
1180 $path = normalise $path, $base; 1357 $path = normalise $path, $base;
1181 1358
1182 for my $pkg (keys %EXT_MAP) { 1359 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183 if ($path =~ $EXT_MAP{$pkg}) { 1360 if ($path =~ $EXT_MAP{$pkg}[1]) {
1184 my $self = bless cf::map::new, $pkg; 1361 my $self = bless cf::map::new, $pkg;
1185 $self->{path} = $path; $self->path ($path); 1362 $self->{path} = $path; $self->path ($path);
1186 $self->init; # pass $1 etc. 1363 $self->init; # pass $1 etc.
1187 return $self; 1364 return $self;
1188 } 1365 }
1189 } 1366 }
1190 1367
1191 Carp::carp "unable to resolve path '$path'."; 1368 Carp::carp "unable to resolve path '$path' (base '$base').";
1192 () 1369 ()
1193} 1370}
1194 1371
1195sub init { 1372sub init {
1196 my ($self) = @_; 1373 my ($self) = @_;
1211 1388
1212# the original (read-only) location 1389# the original (read-only) location
1213sub load_path { 1390sub load_path {
1214 my ($self) = @_; 1391 my ($self) = @_;
1215 1392
1216 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1393 "$MAPDIR/$self->{path}.map"
1217} 1394}
1218 1395
1219# the temporary/swap location 1396# the temporary/swap location
1220sub save_path { 1397sub save_path {
1221 my ($self) = @_; 1398 my ($self) = @_;
1222 1399
1223 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1400 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1401 "$TMPDIR/$path.map"
1225} 1402}
1226 1403
1227# the unique path, undef == no special unique path 1404# the unique path, undef == no special unique path
1228sub uniq_path { 1405sub uniq_path {
1229 my ($self) = @_; 1406 my ($self) = @_;
1230 1407
1231 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1408 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1409 "$UNIQUEDIR/$path"
1233} 1410}
1234 1411
1235# and all this just because we cannot iterate over 1412# and all this just because we cannot iterate over
1236# all maps in C++... 1413# all maps in C++...
1237sub change_all_map_light { 1414sub change_all_map_light {
1243 1420
1244sub unlink_save { 1421sub unlink_save {
1245 my ($self) = @_; 1422 my ($self) = @_;
1246 1423
1247 utf8::encode (my $save = $self->save_path); 1424 utf8::encode (my $save = $self->save_path);
1248 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1425 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1426 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250} 1427}
1251 1428
1252sub load_header_from($) { 1429sub load_header_from($) {
1253 my ($self, $path) = @_; 1430 my ($self, $path) = @_;
1254 1431
1255 utf8::encode $path; 1432 utf8::encode $path;
1256 aio_open $path, O_RDONLY, 0 1433 #aio_open $path, O_RDONLY, 0
1257 or return; 1434 # or return;
1258 1435
1259 $self->_load_header ($path) 1436 $self->_load_header ($path)
1260 or return; 1437 or return;
1261 1438
1262 $self->{load_path} = $path; 1439 $self->{load_path} = $path;
1263 1440
1264 1 1441 1
1265} 1442}
1266 1443
1267sub load_orig { 1444sub load_header_orig {
1268 my ($self) = @_; 1445 my ($self) = @_;
1269 1446
1270 $self->load_header_from ($self->load_path) 1447 $self->load_header_from ($self->load_path)
1271} 1448}
1272 1449
1273sub load_temp { 1450sub load_header_temp {
1274 my ($self) = @_; 1451 my ($self) = @_;
1275 1452
1276 $self->load_header_from ($self->save_path) 1453 $self->load_header_from ($self->save_path)
1454}
1455
1456sub prepare_temp {
1457 my ($self) = @_;
1458
1459 $self->last_access ((delete $self->{last_access})
1460 || $cf::RUNTIME); #d#
1461 # safety
1462 $self->{instantiate_time} = $cf::RUNTIME
1463 if $self->{instantiate_time} > $cf::RUNTIME;
1464}
1465
1466sub prepare_orig {
1467 my ($self) = @_;
1468
1469 $self->{load_original} = 1;
1470 $self->{instantiate_time} = $cf::RUNTIME;
1471 $self->last_access ($cf::RUNTIME);
1472 $self->instantiate;
1277} 1473}
1278 1474
1279sub load_header { 1475sub load_header {
1280 my ($self) = @_; 1476 my ($self) = @_;
1281 1477
1282 if ($self->load_temp) { 1478 if ($self->load_header_temp) {
1283 $self->last_access ((delete $self->{last_access}) 1479 $self->prepare_temp;
1284 || $cf::RUNTIME); #d#
1285 # safety
1286 $self->{instantiate_time} = $cf::RUNTIME
1287 if $self->{instantiate_time} > $cf::RUNTIME;
1288 } else { 1480 } else {
1289 $self->load_orig 1481 $self->load_header_orig
1290 or return; 1482 or return;
1291 1483 $self->prepare_orig;
1292 $self->{load_original} = 1;
1293 $self->{instantiate_time} = $cf::RUNTIME;
1294 $self->last_access ($cf::RUNTIME);
1295 $self->instantiate;
1296 } 1484 }
1485
1486 $self->default_region (cf::region::find_by_path $self->{path})
1487 unless $self->default_region;
1297 1488
1298 1 1489 1
1299} 1490}
1300 1491
1301sub find; 1492sub find;
1314 $map->{last_save} = $cf::RUNTIME; 1505 $map->{last_save} = $cf::RUNTIME;
1315 1506
1316 $map->load_header 1507 $map->load_header
1317 or return; 1508 or return;
1318 1509
1319 if ($map->should_reset) { 1510 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1511 # doing this can freeze the server in a sync job, obviously
1512 #$cf::WAIT_FOR_TICK->wait;
1320 $map->reset; 1513 $map->reset;
1321 undef $guard; 1514 undef $guard;
1322 $map = find $path 1515 return find $path;
1323 or return;
1324 } 1516 }
1325 1517
1326 $cf::MAP{$path} = $map 1518 $cf::MAP{$path} = $map
1327 } 1519 }
1328} 1520}
1521
1522sub pre_load { }
1523sub post_load { }
1329 1524
1330sub load { 1525sub load {
1331 my ($self) = @_; 1526 my ($self) = @_;
1332 1527
1528 local $self->{deny_reset} = 1; # loading can take a long time
1529
1333 my $path = $self->{path}; 1530 my $path = $self->{path};
1531
1532 {
1334 my $guard = cf::lock_acquire "map_load:$path"; 1533 my $guard = cf::lock_acquire "map_load:$path";
1335 1534
1336 return if $self->in_memory != cf::MAP_SWAPPED; 1535 return if $self->in_memory != cf::MAP_SWAPPED;
1337 1536
1338 $self->in_memory (cf::MAP_LOADING); 1537 $self->in_memory (cf::MAP_LOADING);
1339 1538
1340 $self->alloc; 1539 $self->alloc;
1341 $self->_load_objects ($self->{load_path}, 1)
1342 or return;
1343 1540
1344 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1541 $self->pre_load;
1345 if delete $self->{load_original};
1346
1347 if (my $uniq = $self->uniq_path) {
1348 utf8::encode $uniq;
1349 if (aio_open $uniq, O_RDONLY, 0) {
1350 $self->clear_unique_items;
1351 $self->_load_objects ($uniq, 0);
1352 }
1353 }
1354
1355 Coro::cede;
1356
1357 # now do the right thing for maps
1358 $self->link_multipart_objects;
1359
1360 unless ($self->{deny_activate}) {
1361 $self->decay_objects;
1362 $self->fix_auto_apply;
1363 $self->update_buttons;
1364 Coro::cede; 1542 Coro::cede;
1365 $self->set_darkness_map; 1543
1544 $self->_load_objects ($self->{load_path}, 1)
1545 or return;
1546
1547 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1548 if delete $self->{load_original};
1549
1550 if (my $uniq = $self->uniq_path) {
1551 utf8::encode $uniq;
1552 if (aio_open $uniq, O_RDONLY, 0) {
1553 $self->clear_unique_items;
1554 $self->_load_objects ($uniq, 0);
1555 }
1556 }
1557
1558 Coro::cede;
1559 # now do the right thing for maps
1560 $self->link_multipart_objects;
1366 $self->difficulty ($self->estimate_difficulty) 1561 $self->difficulty ($self->estimate_difficulty)
1367 unless $self->difficulty; 1562 unless $self->difficulty;
1368 Coro::cede; 1563 Coro::cede;
1564
1565 unless ($self->{deny_activate}) {
1566 $self->decay_objects;
1567 $self->fix_auto_apply;
1568 $self->update_buttons;
1569 Coro::cede;
1570 $self->set_darkness_map;
1571 Coro::cede;
1369 $self->activate; 1572 $self->activate;
1370 } 1573 }
1371 1574
1372 $self->in_memory (cf::MAP_IN_MEMORY); 1575 $self->in_memory (cf::MAP_IN_MEMORY);
1576 }
1577
1578 $self->post_load;
1373} 1579}
1374 1580
1375sub customise_for { 1581sub customise_for {
1376 my ($self, $ob) = @_; 1582 my ($self, $ob) = @_;
1377 1583
1416 1622
1417 cf::sync_job { $map->load }; 1623 cf::sync_job { $map->load };
1418} 1624}
1419 1625
1420our %MAP_PREFETCH; 1626our %MAP_PREFETCH;
1421our $MAP_PREFETCHER = Coro::async { 1627our $MAP_PREFETCHER = undef;
1422 while () {
1423 for my $path (keys %MAP_PREFETCH) {
1424 my $map = find $path
1425 or next;
1426 $map->load;
1427
1428 delete $MAP_PREFETCH{$path};
1429 }
1430 Coro::schedule;
1431 }
1432};
1433 1628
1434sub find_async { 1629sub find_async {
1435 my ($path, $origin) = @_; 1630 my ($path, $origin) = @_;
1436 1631
1437 $path = normalise $path, $origin && $origin->{path}; 1632 $path = normalise $path, $origin && $origin->{path};
1438 1633
1439 if (my $map = $cf::MAP{$path}) { 1634 if (my $map = $cf::MAP{$path}) {
1440 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1635 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441 } 1636 }
1442 1637
1443 $MAP_PREFETCH{$path} = 0; 1638 undef $MAP_PREFETCH{$path};
1639 $MAP_PREFETCHER ||= cf::async {
1640 while (%MAP_PREFETCH) {
1641 for my $path (keys %MAP_PREFETCH) {
1642 my $map = find $path
1643 or next;
1644 $map->load;
1645
1646 delete $MAP_PREFETCH{$path};
1647 }
1648 }
1649 undef $MAP_PREFETCHER;
1650 };
1444 $MAP_PREFETCHER->ready; 1651 $MAP_PREFETCHER->prio (6);
1445 1652
1446 () 1653 ()
1447} 1654}
1448 1655
1449sub save { 1656sub save {
1494 1701
1495sub reset_at { 1702sub reset_at {
1496 my ($self) = @_; 1703 my ($self) = @_;
1497 1704
1498 # TODO: safety, remove and allow resettable per-player maps 1705 # TODO: safety, remove and allow resettable per-player maps
1499 return 1e99 if $self->isa ("ext::map_per_player"); 1706 return 1e99 if $self->isa ("ext::map_per_player");#d#
1500 return 1e99 if $self->{deny_reset}; 1707 return 1e99 if $self->{deny_reset};
1501 1708
1502 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1709 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1710 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504 1711
1509 my ($self) = @_; 1716 my ($self) = @_;
1510 1717
1511 $self->reset_at <= $cf::RUNTIME 1718 $self->reset_at <= $cf::RUNTIME
1512} 1719}
1513 1720
1514sub rename {
1515 my ($self, $new_path) = @_;
1516
1517 normalise $new_path;
1518
1519 $self->unlink_save;
1520
1521 delete $cf::MAP{$self->path};
1522 $self->{path} = $new_path; $self->path ($self->{path});
1523 $cf::MAP{$self->path} = $self;
1524
1525 $self->save;
1526}
1527
1528sub reset { 1721sub reset {
1529 my ($self) = @_; 1722 my ($self) = @_;
1530 1723
1531 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1724 my $lock = cf::lock_acquire "map_data:$self->{path}";
1532 1725
1533 return if $self->players; 1726 return if $self->players;
1534 return if $self->isa ("ext::map_per_player");#d# 1727 return if $self->isa ("ext::map_per_player");#d#
1535 1728
1536 warn "resetting map ", $self->path;#d# 1729 warn "resetting map ", $self->path;
1730
1731 $self->in_memory (cf::MAP_SWAPPED);
1732
1733 # need to save uniques path
1734 unless ($self->{deny_save}) {
1735 my $uniq = $self->uniq_path; utf8::encode $uniq;
1736
1737 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1738 if $uniq;
1739 }
1537 1740
1538 delete $cf::MAP{$self->path}; 1741 delete $cf::MAP{$self->path};
1539 1742
1540 $self->in_memory (cf::MAP_SWAPPED);
1541 $self->clear; 1743 $self->clear;
1542 1744
1543 $_->clear_links_to ($self) for values %cf::MAP; 1745 $_->clear_links_to ($self) for values %cf::MAP;
1544 1746
1545 $self->unlink_save; 1747 $self->unlink_save;
1549my $nuke_counter = "aaaa"; 1751my $nuke_counter = "aaaa";
1550 1752
1551sub nuke { 1753sub nuke {
1552 my ($self) = @_; 1754 my ($self) = @_;
1553 1755
1756 delete $cf::MAP{$self->path};
1757
1758 $self->unlink_save;
1759
1760 bless $self, "cf::map";
1761 delete $self->{deny_reset};
1554 $self->{deny_save} = 1; 1762 $self->{deny_save} = 1;
1555 $self->reset_timeout (1); 1763 $self->reset_timeout (1);
1556 $self->rename ("{nuke}/" . ($nuke_counter++)); 1764 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765
1766 $cf::MAP{$self->path} = $self;
1767
1557 $self->reset; # polite request, might not happen 1768 $self->reset; # polite request, might not happen
1558} 1769}
1559 1770
1560=item cf::map::unique_maps 1771=item cf::map::unique_maps
1561 1772
1563instantiated unique items. May block. 1774instantiated unique items. May block.
1564 1775
1565=cut 1776=cut
1566 1777
1567sub unique_maps() { 1778sub unique_maps() {
1568 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1779 my $files = aio_readdir $UNIQUEDIR
1569 or return; 1780 or return;
1570 1781
1571 my @paths; 1782 my @paths;
1572 1783
1573 for (@$files) { 1784 for (@$files) {
1574 utf8::decode $_; 1785 utf8::decode $_;
1575 next if /\.pst$/; 1786 next if /\.pst$/;
1576 next unless /^$PATH_SEP/o; 1787 next unless /^$PATH_SEP/o;
1577 1788
1578 s/\.map$//; 1789 push @paths, cf::map::normalise $_;
1579 push @paths, $_;
1580 } 1790 }
1581 1791
1582 \@paths 1792 \@paths
1583} 1793}
1584 1794
1678=cut 1888=cut
1679 1889
1680sub link_map { 1890sub link_map {
1681 unless ($LINK_MAP) { 1891 unless ($LINK_MAP) {
1682 $LINK_MAP = cf::map::find "{link}" 1892 $LINK_MAP = cf::map::find "{link}"
1683 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 1893 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684 $LINK_MAP->load; 1894 $LINK_MAP->load;
1685 } 1895 }
1686 1896
1687 $LINK_MAP 1897 $LINK_MAP
1688} 1898}
1693 $self->deactivate_recursive; 1903 $self->deactivate_recursive;
1694 1904
1695 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1905 return if UNIVERSAL::isa $self->map, "ext::map_link";
1696 1906
1697 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1907 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698 if $self->map; 1908 if $self->map && $self->map->{path} ne "{link}";
1699 1909
1700 $self->enter_map ($LINK_MAP || link_map, 20, 20); 1910 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1701} 1911}
1702 1912
1703sub cf::object::player::leave_link { 1913sub cf::object::player::leave_link {
1704 my ($self, $map, $x, $y) = @_; 1914 my ($self, $map, $x, $y) = @_;
1915
1916 return unless $self->contr->active;
1705 1917
1706 my $link_pos = delete $self->{_link_pos}; 1918 my $link_pos = delete $self->{_link_pos};
1707 1919
1708 unless ($map) { 1920 unless ($map) {
1709 # restore original map position 1921 # restore original map position
1727 $map->load; 1939 $map->load;
1728 $map->load_diag; 1940 $map->load_diag;
1729 1941
1730 return unless $self->contr->active; 1942 return unless $self->contr->active;
1731 $self->activate_recursive; 1943 $self->activate_recursive;
1944
1945 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732 $self->enter_map ($map, $x, $y); 1946 $self->enter_map ($map, $x, $y);
1733} 1947}
1734 1948
1735cf::player->attach (
1736 on_logout => sub {
1737 my ($pl) = @_;
1738
1739 # abort map switching before logout
1740 if ($pl->ob->{_link_pos}) {
1741 cf::sync_job {
1742 $pl->ob->leave_link
1743 };
1744 }
1745 },
1746 on_login => sub {
1747 my ($pl) = @_;
1748
1749 # try to abort aborted map switching on player login :)
1750 # should happen only on crashes
1751 if ($pl->ob->{_link_pos}) {
1752 $pl->ob->enter_link;
1753 (async {
1754 # we need this sleep as the login has a concurrent enter_exit running
1755 # and this sleep increases chances of the player not ending up in scorn
1756 $pl->ob->reply (undef,
1757 "There was an internal problem at your last logout, "
1758 . "the server will try to bring you to your intended destination in a second.",
1759 cf::NDI_RED);
1760 Coro::Timer::sleep 1;
1761 $pl->ob->leave_link;
1762 })->prio (2);
1763 }
1764 },
1765);
1766
1767=item $player_object->goto ($path, $x, $y) 1949=item $player_object->goto ($path, $x, $y[, $check->($map)])
1768 1950
1951Moves the player to the given map-path and coordinates by first freezing
1952her, loading and preparing them map, calling the provided $check callback
1953that has to return the map if sucecssful, and then unfreezes the player on
1954the new (success) or old (failed) map position.
1955
1769=cut 1956=cut
1957
1958our $GOTOGEN;
1770 1959
1771sub cf::object::player::goto { 1960sub cf::object::player::goto {
1772 my ($self, $path, $x, $y) = @_; 1961 my ($self, $path, $x, $y, $check) = @_;
1962
1963 # do generation counting so two concurrent goto's will be executed in-order
1964 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773 1965
1774 $self->enter_link; 1966 $self->enter_link;
1775 1967
1776 (async { 1968 (async {
1969 my $map = eval {
1777 my $map = cf::map::find $path; 1970 my $map = cf::map::find $path;
1971
1972 if ($map) {
1778 $map = $map->customise_for ($self) if $map; 1973 $map = $map->customise_for ($self);
1779 1974 $map = $check->($map) if $check && $map;
1780# warn "entering ", $map->path, " at ($x, $y)\n" 1975 } else {
1781# if $map;
1782
1783 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1976 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1977 }
1784 1978
1979 $map
1980 };
1981
1982 if ($@) {
1983 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
1984 LOG llevError | logBacktrace, Carp::longmess $@;
1985 }
1986
1987 if ($gen == $self->{_goto_generation}) {
1988 delete $self->{_goto_generation};
1785 $self->leave_link ($map, $x, $y); 1989 $self->leave_link ($map, $x, $y);
1990 }
1786 })->prio (1); 1991 })->prio (1);
1787} 1992}
1788 1993
1789=item $player_object->enter_exit ($exit_object) 1994=item $player_object->enter_exit ($exit_object)
1790 1995
1792 1997
1793sub parse_random_map_params { 1998sub parse_random_map_params {
1794 my ($spec) = @_; 1999 my ($spec) = @_;
1795 2000
1796 my $rmp = { # defaults 2001 my $rmp = { # defaults
1797 xsize => 10, 2002 xsize => (cf::rndm 15, 40),
1798 ysize => 10, 2003 ysize => (cf::rndm 15, 40),
2004 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2005 #layout => string,
1799 }; 2006 };
1800 2007
1801 for (split /\n/, $spec) { 2008 for (split /\n/, $spec) {
1802 my ($k, $v) = split /\s+/, $_, 2; 2009 my ($k, $v) = split /\s+/, $_, 2;
1803 2010
1807 $rmp 2014 $rmp
1808} 2015}
1809 2016
1810sub prepare_random_map { 2017sub prepare_random_map {
1811 my ($exit) = @_; 2018 my ($exit) = @_;
2019
2020 my $guard = cf::lock_acquire "exit_prepare:$exit";
1812 2021
1813 # all this does is basically replace the /! path by 2022 # all this does is basically replace the /! path by
1814 # a new random map path (?random/...) with a seed 2023 # a new random map path (?random/...) with a seed
1815 # that depends on the exit object 2024 # that depends on the exit object
1816 2025
1817 my $rmp = parse_random_map_params $exit->msg; 2026 my $rmp = parse_random_map_params $exit->msg;
1818 2027
1819 if ($exit->map) { 2028 if ($exit->map) {
1820 $rmp->{region} = $exit->map->region_name; 2029 $rmp->{region} = $exit->region->name;
1821 $rmp->{origin_map} = $exit->map->path; 2030 $rmp->{origin_map} = $exit->map->path;
1822 $rmp->{origin_x} = $exit->x; 2031 $rmp->{origin_x} = $exit->x;
1823 $rmp->{origin_y} = $exit->y; 2032 $rmp->{origin_y} = $exit->y;
1824 } 2033 }
1825 2034
1826 $rmp->{random_seed} ||= $exit->random_seed; 2035 $rmp->{random_seed} ||= $exit->random_seed;
1827 2036
1828 my $data = cf::to_json $rmp; 2037 my $data = cf::to_json $rmp;
1829 my $md5 = Digest::MD5::md5_hex $data; 2038 my $md5 = Digest::MD5::md5_hex $data;
2039 my $meta = "$RANDOMDIR/$md5.meta";
1830 2040
1831 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2041 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832 aio_write $fh, 0, (length $data), $data, 0; 2042 aio_write $fh, 0, (length $data), $data, 0;
2043 undef $fh;
2044 aio_rename "$meta~", $meta;
1833 2045
1834 $exit->slaying ("?random/$md5"); 2046 $exit->slaying ("?random/$md5");
1835 $exit->msg (undef); 2047 $exit->msg (undef);
1836 } 2048 }
1837} 2049}
1838 2050
1839sub cf::object::player::enter_exit { 2051sub cf::object::player::enter_exit {
1840 my ($self, $exit) = @_; 2052 my ($self, $exit) = @_;
1841 2053
1842 return unless $self->type == cf::PLAYER; 2054 return unless $self->type == cf::PLAYER;
2055
2056 if ($exit->slaying eq "/!") {
2057 #TODO: this should de-fi-ni-te-ly not be a sync-job
2058 # the problem is that $exit might not survive long enough
2059 # so it needs to be done right now, right here
2060 cf::sync_job { prepare_random_map $exit };
2061 }
2062
2063 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064 my $hp = $exit->stats->hp;
2065 my $sp = $exit->stats->sp;
1843 2066
1844 $self->enter_link; 2067 $self->enter_link;
1845 2068
1846 (async { 2069 (async {
1847 $self->deactivate_recursive; # just to be sure 2070 $self->deactivate_recursive; # just to be sure
1848 unless (eval { 2071 unless (eval {
1849 prepare_random_map $exit 2072 $self->goto ($slaying, $hp, $sp);
1850 if $exit->slaying eq "/!";
1851
1852 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854 2073
1855 1; 2074 1;
1856 }) { 2075 }) {
1857 $self->message ("Something went wrong deep within the crossfire server. " 2076 $self->message ("Something went wrong deep within the crossfire server. "
1858 . "I'll try to bring you back to the map you were before. " 2077 . "I'll try to bring you back to the map you were before. "
1859 . "Please report this to the dungeon master!", 2078 . "Please report this to the dungeon master!",
1860 cf::NDI_UNIQUE | cf::NDI_RED); 2079 cf::NDI_UNIQUE | cf::NDI_RED);
1861 2080
1862 warn "ERROR in enter_exit: $@"; 2081 warn "ERROR in enter_exit: $@";
1863 $self->leave_link; 2082 $self->leave_link;
1864 } 2083 }
1865 })->prio (1); 2084 })->prio (1);
1878 2097
1879sub cf::client::send_drawinfo { 2098sub cf::client::send_drawinfo {
1880 my ($self, $text, $flags) = @_; 2099 my ($self, $text, $flags) = @_;
1881 2100
1882 utf8::encode $text; 2101 utf8::encode $text;
1883 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2102 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884} 2103}
1885 2104
2105=item $client->ext_event ($type, %msg)
2106
2107Sends an exti event to the client.
2108
2109=cut
2110
2111sub cf::client::ext_event($$%) {
2112 my ($self, $type, %msg) = @_;
2113
2114 $msg{msgtype} = "event_$type";
2115 $self->send_packet ("ext " . cf::to_json \%msg);
2116}
1886 2117
1887=item $success = $client->query ($flags, "text", \&cb) 2118=item $success = $client->query ($flags, "text", \&cb)
1888 2119
1889Queues a query to the client, calling the given callback with 2120Queues a query to the client, calling the given callback with
1890the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2121the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1919 # get handled first 2150 # get handled first
1920 my $queue = delete $ns->{query_queue} 2151 my $queue = delete $ns->{query_queue}
1921 or return; # be conservative, not sure how that can happen, but we saw a crash here 2152 or return; # be conservative, not sure how that can happen, but we saw a crash here
1922 2153
1923 (shift @$queue)->[1]->($msg); 2154 (shift @$queue)->[1]->($msg);
2155 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924 2156
1925 push @{ $ns->{query_queue} }, @$queue; 2157 push @{ $ns->{query_queue} }, @$queue;
1926 2158
1927 if (@{ $ns->{query_queue} } == @$queue) { 2159 if (@{ $ns->{query_queue} } == @$queue) {
1928 if (@$queue) { 2160 if (@$queue) {
1986 2218
1987# here we export the classes and methods available to script code 2219# here we export the classes and methods available to script code
1988 2220
1989=pod 2221=pod
1990 2222
1991The following fucntions and emthods are available within a safe environment: 2223The following functions and methods are available within a safe environment:
1992 2224
1993 cf::object contr pay_amount pay_player map 2225 cf::object contr pay_amount pay_player map
1994 cf::object::player player 2226 cf::object::player player
1995 cf::player peaceful 2227 cf::player peaceful
1996 cf::map trigger 2228 cf::map trigger
2081############################################################################# 2313#############################################################################
2082 2314
2083=head2 EXTENSION DATABASE SUPPORT 2315=head2 EXTENSION DATABASE SUPPORT
2084 2316
2085Crossfire maintains a very simple database for extension use. It can 2317Crossfire maintains a very simple database for extension use. It can
2086currently store anything that can be serialised using Storable, which 2318currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2087excludes objects. 2319convert to/from binary).
2088 2320
2089The parameter C<$family> should best start with the name of the extension 2321The parameter C<$family> should best start with the name of the extension
2090using it, it should be unique. 2322using it, it should be unique.
2091 2323
2092=over 4 2324=over 4
2093 2325
2094=item $hashref = cf::db_get $family
2095
2096Return a hashref for use by the extension C<$family>, which can be
2097modified. After modifications, you have to call C<cf::db_dirty> or
2098C<cf::db_sync>.
2099
2100=item $value = cf::db_get $family => $key 2326=item $value = cf::db_get $family => $key
2101 2327
2102Returns a single value from the database 2328Returns a single value from the database.
2103
2104=item cf::db_put $family => $hashref
2105
2106Stores the given family hashref into the database. Updates are delayed, if
2107you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108 2329
2109=item cf::db_put $family => $key => $value 2330=item cf::db_put $family => $key => $value
2110 2331
2111Stores the given C<$value> in the family hash. Updates are delayed, if you 2332Stores the given C<$value> in the family.
2112want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114=item cf::db_dirty
2115
2116Marks the database as dirty, to be updated at a later time.
2117
2118=item cf::db_sync
2119
2120Immediately write the database to disk I<if it is dirty>.
2121 2333
2122=cut 2334=cut
2123 2335
2124our $DB; 2336our $DB;
2125 2337
2126{ 2338sub db_init {
2127 my $path = cf::localdir . "/database.pst"; 2339 unless ($DB) {
2340 $DB = BDB::db_create $DB_ENV;
2128 2341
2129 sub db_load() { 2342 cf::sync_job {
2130 $DB = stat $path ? Storable::retrieve $path : { }; 2343 eval {
2131 } 2344 $DB->set_flags (BDB::CHKSUM);
2132 2345
2133 my $pid; 2346 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2134 2347 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2135 sub db_save() { 2348 cf::cleanup "db_open(db): $!" if $!;
2136 waitpid $pid, 0 if $pid; 2349 };
2137 if (0 == ($pid = fork)) { 2350 cf::cleanup "db_open(db): $@" if $@;
2138 $DB->{_meta}{version} = 1;
2139 Storable::nstore $DB, "$path~";
2140 rename "$path~", $path;
2141 cf::_exit 0 if defined $pid;
2142 } 2351 };
2143 }
2144
2145 my $dirty;
2146
2147 sub db_sync() {
2148 db_save if $dirty;
2149 undef $dirty;
2150 }
2151
2152 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153 db_sync;
2154 }); 2352 }
2353}
2155 2354
2156 sub db_dirty() {
2157 $dirty = 1;
2158 $idle->start;
2159 }
2160
2161 sub db_get($;$) { 2355sub db_get($$) {
2162 @_ >= 2 2356 my $key = "$_[0]/$_[1]";
2163 ? $DB->{$_[0]}{$_[1]}
2164 : ($DB->{$_[0]} ||= { })
2165 }
2166 2357
2358 cf::sync_job {
2359 BDB::db_get $DB, undef, $key, my $data;
2360
2361 $! ? ()
2362 : $data
2363 }
2364}
2365
2167 sub db_put($$;$) { 2366sub db_put($$$) {
2168 if (@_ >= 3) { 2367 BDB::dbreq_pri 4;
2169 $DB->{$_[0]}{$_[1]} = $_[2]; 2368 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2170 } else { 2369}
2171 $DB->{$_[0]} = $_[1];
2172 }
2173 db_dirty;
2174 }
2175 2370
2176 cf::global->attach ( 2371=item cf::cache $id => [$paths...], $processversion => $process
2177 prio => 10000, 2372
2178 on_cleanup => sub { 2373Generic caching function that returns the value of the resource $id,
2179 db_sync; 2374caching and regenerating as required.
2375
2376This function can block.
2377
2378=cut
2379
2380sub cache {
2381 my ($id, $src, $processversion, $process) = @_;
2382
2383 my $meta =
2384 join "\x00",
2385 $processversion,
2386 map {
2387 aio_stat $_
2388 and Carp::croak "$_: $!";
2389
2390 ($_, (stat _)[7,9])
2391 } @$src;
2392
2393 my $dbmeta = db_get cache => "$id/meta";
2394 if ($dbmeta ne $meta) {
2395 # changed, we may need to process
2396
2397 my @data;
2398 my $md5;
2399
2400 for (0 .. $#$src) {
2401 0 <= aio_load $src->[$_], $data[$_]
2402 or Carp::croak "$src->[$_]: $!";
2180 }, 2403 }
2181 ); 2404
2405 # if processing is expensive, check
2406 # checksum first
2407 if (1) {
2408 $md5 =
2409 join "\x00",
2410 $processversion,
2411 map {
2412 Coro::cede;
2413 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2414 } 0.. $#$src;
2415
2416
2417 my $dbmd5 = db_get cache => "$id/md5";
2418 if ($dbmd5 eq $md5) {
2419 db_put cache => "$id/meta", $meta;
2420
2421 return db_get cache => "$id/data";
2422 }
2423 }
2424
2425 my $t1 = Time::HiRes::time;
2426 my $data = $process->(\@data);
2427 my $t2 = Time::HiRes::time;
2428
2429 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431 db_put cache => "$id/data", $data;
2432 db_put cache => "$id/md5" , $md5;
2433 db_put cache => "$id/meta", $meta;
2434
2435 return $data;
2436 }
2437
2438 db_get cache => "$id/data"
2439}
2440
2441=item fork_call { }, $args
2442
2443Executes the given code block with the given arguments in a seperate
2444process, returning the results. Everything must be serialisable with
2445Coro::Storable. May, of course, block. Note that the executed sub may
2446never block itself or use any form of Event handling.
2447
2448=cut
2449
2450sub fork_call(&@) {
2451 my ($cb, @args) = @_;
2452
2453# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454# or die "socketpair: $!";
2455 pipe my $fh1, my $fh2
2456 or die "pipe: $!";
2457
2458 if (my $pid = fork) {
2459 close $fh2;
2460
2461 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462 $res = Coro::Storable::thaw $res;
2463
2464 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466 die $$res unless "ARRAY" eq ref $res;
2467
2468 return wantarray ? @$res : $res->[-1];
2469 } else {
2470 reset_signals;
2471 local $SIG{__WARN__};
2472 local $SIG{__DIE__};
2473 eval {
2474 close $fh1;
2475
2476 my @res = eval { $cb->(@args) };
2477 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478 };
2479
2480 warn $@ if $@;
2481 _exit 0;
2482 }
2182} 2483}
2183 2484
2184############################################################################# 2485#############################################################################
2185# the server's main() 2486# the server's init and main functions
2487
2488sub load_facedata($) {
2489 my ($path) = @_;
2490
2491 warn "loading facedata from $path\n";
2492
2493 my $facedata;
2494 0 < aio_load $path, $facedata
2495 or die "$path: $!";
2496
2497 $facedata = Coro::Storable::thaw $facedata;
2498
2499 $facedata->{version} == 2
2500 or cf::cleanup "$path: version mismatch, cannot proceed.";
2501
2502 {
2503 my $faces = $facedata->{faceinfo};
2504
2505 while (my ($face, $info) = each %$faces) {
2506 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2507 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2508 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2509 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2510 Coro::cede;
2511 }
2512
2513 while (my ($face, $info) = each %$faces) {
2514 next unless $info->{smooth};
2515 my $idx = cf::face::find $face
2516 or next;
2517 if (my $smooth = cf::face::find $info->{smooth}) {
2518 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2519 } else {
2520 warn "smooth face '$info->{smooth}' not found for face '$face'";
2521 }
2522 Coro::cede;
2523 }
2524 }
2525
2526 {
2527 my $anims = $facedata->{animinfo};
2528
2529 while (my ($anim, $info) = each %$anims) {
2530 cf::anim::set $anim, $info->{frames}, $info->{facings};
2531 Coro::cede;
2532 }
2533
2534 cf::anim::invalidate_all; # d'oh
2535 }
2536
2537 1
2538}
2539
2540sub reload_regions {
2541 load_resource_file "$MAPDIR/regions"
2542 or die "unable to load regions file\n";
2543}
2544
2545sub reload_facedata {
2546 load_facedata "$DATADIR/facedata"
2547 or die "unable to load facedata\n";
2548}
2549
2550sub reload_archetypes {
2551 load_resource_file "$DATADIR/archetypes"
2552 or die "unable to load archetypes\n";
2553}
2554
2555sub reload_treasures {
2556 load_resource_file "$DATADIR/treasures"
2557 or die "unable to load treasurelists\n";
2558}
2559
2560sub reload_resources {
2561 warn "reloading resource files...\n";
2562
2563 reload_regions;
2564 reload_facedata;
2565 #reload_archetypes;#d#
2566 reload_archetypes;
2567 reload_treasures;
2568
2569 warn "finished reloading resource files\n";
2570}
2571
2572sub init {
2573 reload_resources;
2574}
2186 2575
2187sub cfg_load { 2576sub cfg_load {
2188 open my $fh, "<:utf8", cf::confdir . "/config" 2577 open my $fh, "<:utf8", "$CONFDIR/config"
2189 or return; 2578 or return;
2190 2579
2191 local $/; 2580 local $/;
2192 *CFG = YAML::Syck::Load <$fh>; 2581 *CFG = YAML::Syck::Load <$fh>;
2193 2582
2207 2596
2208sub main { 2597sub main {
2209 # we must not ever block the main coroutine 2598 # we must not ever block the main coroutine
2210 local $Coro::idle = sub { 2599 local $Coro::idle = sub {
2211 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2600 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2601 (async {
2212 async { Event::one_event }; 2602 Event::one_event;
2603 })->prio (Coro::PRIO_MAX);
2213 }; 2604 };
2214 2605
2215 cfg_load; 2606 cfg_load;
2216 db_load; 2607 db_init;
2217 load_extensions; 2608 load_extensions;
2609
2610 $TICK_WATCHER->start;
2218 Event::loop; 2611 Event::loop;
2219} 2612}
2220 2613
2221############################################################################# 2614#############################################################################
2222# initialisation and cleanup 2615# initialisation and cleanup
2223 2616
2224# install some emergency cleanup handlers 2617# install some emergency cleanup handlers
2225BEGIN { 2618BEGIN {
2226 for my $signal (qw(INT HUP TERM)) { 2619 for my $signal (qw(INT HUP TERM)) {
2227 Event->signal ( 2620 Event->signal (
2621 reentrant => 0,
2228 data => WF_AUTOCANCEL, 2622 data => WF_AUTOCANCEL,
2229 signal => $signal, 2623 signal => $signal,
2624 prio => 0,
2230 cb => sub { 2625 cb => sub {
2231 cf::cleanup "SIG$signal"; 2626 cf::cleanup "SIG$signal";
2232 }, 2627 },
2233 ); 2628 );
2234 } 2629 }
2235} 2630}
2256 my $map = $cf::MAP{$path} or next; 2651 my $map = $cf::MAP{$path} or next;
2257 $map->valid or next; 2652 $map->valid or next;
2258 $map->save; 2653 $map->save;
2259 } 2654 }
2260 warn "end emergency map save\n"; 2655 warn "end emergency map save\n";
2656
2657 warn "begin emergency database checkpoint\n";
2658 BDB::db_env_txn_checkpoint $DB_ENV;
2659 warn "end emergency database checkpoint\n";
2261 }; 2660 };
2262 2661
2263 warn "leave emergency perl save\n"; 2662 warn "leave emergency perl save\n";
2264} 2663}
2265 2664
2665sub post_cleanup {
2666 my ($make_core) = @_;
2667
2668 warn Carp::longmess "post_cleanup backtrace"
2669 if $make_core;
2670}
2671
2266sub reload() { 2672sub do_reload_perl() {
2267 # can/must only be called in main 2673 # can/must only be called in main
2268 if ($Coro::current != $Coro::main) { 2674 if ($Coro::current != $Coro::main) {
2269 warn "can only reload from main coroutine\n"; 2675 warn "can only reload from main coroutine";
2270 return; 2676 return;
2271 } 2677 }
2272 2678
2273 warn "reloading..."; 2679 warn "reloading...";
2274 2680
2275 warn "freezing server"; 2681 warn "entering sync_job";
2276 my $guard = freeze_mainloop; 2682
2683 cf::sync_job {
2684 cf::write_runtime; # external watchdog should not bark
2277 cf::emergency_save; 2685 cf::emergency_save;
2686 cf::write_runtime; # external watchdog should not bark
2278 2687
2279 warn "sync database to disk"; 2688 warn "syncing database to disk";
2280 cf::db_sync; 2689 BDB::db_env_txn_checkpoint $DB_ENV;
2281 IO::AIO::flush;
2282 2690
2283 eval {
2284 # if anything goes wrong in here, we should simply crash as we already saved 2691 # if anything goes wrong in here, we should simply crash as we already saved
2285 2692
2286 warn "cancel all watchers"; 2693 warn "cancelling all WF_AUTOCANCEL watchers";
2287 for (Event::all_watchers) { 2694 for (Event::all_watchers) {
2288 $_->cancel if $_->data & WF_AUTOCANCEL; 2695 $_->cancel if $_->data & WF_AUTOCANCEL;
2289 } 2696 }
2290 2697
2698 warn "flushing outstanding aio requests";
2699 for (;;) {
2700 BDB::flush;
2701 IO::AIO::flush;
2702 Coro::cede;
2703 last unless IO::AIO::nreqs || BDB::nreqs;
2704 warn "iterate...";
2705 }
2706
2707 ++$RELOAD;
2708
2291 warn "cancel all extension coros"; 2709 warn "cancelling all extension coros";
2292 $_->cancel for values %EXT_CORO; 2710 $_->cancel for values %EXT_CORO;
2293 %EXT_CORO = (); 2711 %EXT_CORO = ();
2294 2712
2295 warn "remove commands"; 2713 warn "removing commands";
2296 %COMMAND = (); 2714 %COMMAND = ();
2297 2715
2298 warn "remove ext commands"; 2716 warn "removing ext commands";
2299 %EXTCMD = (); 2717 %EXTCMD = ();
2300 2718
2301 warn "unload/nuke all extensions"; 2719 warn "unloading/nuking all extensions";
2302 for my $pkg (@EXTS) { 2720 for my $pkg (@EXTS) {
2303 warn "... unloading $pkg"; 2721 warn "... unloading $pkg";
2304 2722
2305 if (my $cb = $pkg->can ("unload")) { 2723 if (my $cb = $pkg->can ("unload")) {
2306 eval { 2724 eval {
2311 2729
2312 warn "... nuking $pkg"; 2730 warn "... nuking $pkg";
2313 Symbol::delete_package $pkg; 2731 Symbol::delete_package $pkg;
2314 } 2732 }
2315 2733
2316 warn "unload all perl modules loaded from $LIBDIR"; 2734 warn "unloading all perl modules loaded from $LIBDIR";
2317 while (my ($k, $v) = each %INC) { 2735 while (my ($k, $v) = each %INC) {
2318 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2736 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319 2737
2320 warn "removing <$k>"; 2738 warn "... unloading $k";
2321 delete $INC{$k}; 2739 delete $INC{$k};
2322 2740
2323 $k =~ s/\.pm$//; 2741 $k =~ s/\.pm$//;
2324 $k =~ s/\//::/g; 2742 $k =~ s/\//::/g;
2325 2743
2328 } 2746 }
2329 2747
2330 Symbol::delete_package $k; 2748 Symbol::delete_package $k;
2331 } 2749 }
2332 2750
2333 warn "get rid of safe::, as good as possible"; 2751 warn "getting rid of safe::, as good as possible";
2334 Symbol::delete_package "safe::$_" 2752 Symbol::delete_package "safe::$_"
2335 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2753 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336 2754
2337 warn "unload cf.pm \"a bit\""; 2755 warn "unloading cf.pm \"a bit\"";
2338 delete $INC{"cf.pm"}; 2756 delete $INC{"cf.pm"};
2757 delete $INC{"cf/pod.pm"};
2339 2758
2340 # don't, removes xs symbols, too, 2759 # don't, removes xs symbols, too,
2341 # and global variables created in xs 2760 # and global variables created in xs
2342 #Symbol::delete_package __PACKAGE__; 2761 #Symbol::delete_package __PACKAGE__;
2343 2762
2763 warn "unload completed, starting to reload now";
2764
2344 warn "reloading cf.pm"; 2765 warn "reloading cf.pm";
2345 require cf; 2766 require cf;
2346 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2767 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347 2768
2348 warn "load config and database again"; 2769 warn "loading config and database again";
2349 cf::cfg_load; 2770 cf::cfg_load;
2350 cf::db_load;
2351 2771
2352 warn "load extensions"; 2772 warn "loading extensions";
2353 cf::load_extensions; 2773 cf::load_extensions;
2354 2774
2355 warn "reattach attachments to objects/players"; 2775 warn "reattaching attachments to objects/players";
2356 _global_reattach; 2776 _global_reattach; # objects, sockets
2357 warn "reattach attachments to maps"; 2777 warn "reattaching attachments to maps";
2358 reattach $_ for values %MAP; 2778 reattach $_ for values %MAP;
2359 }; 2779 warn "reattaching attachments to players";
2780 reattach $_ for values %PLAYER;
2360 2781
2361 if ($@) { 2782 warn "leaving sync_job";
2783
2784 1
2785 } or do {
2362 warn $@; 2786 warn $@;
2363 warn "error while reloading, exiting."; 2787 warn "error while reloading, exiting.";
2364 exit 1; 2788 exit 1;
2365 } 2789 };
2366 2790
2367 warn "reloaded"; 2791 warn "reloaded";
2368}; 2792};
2369 2793
2794our $RELOAD_WATCHER; # used only during reload
2795
2796sub reload_perl() {
2797 # doing reload synchronously and two reloads happen back-to-back,
2798 # coro crashes during coro_state_free->destroy here.
2799
2800 $RELOAD_WATCHER ||= Event->timer (
2801 reentrant => 0,
2802 after => 0,
2803 data => WF_AUTOCANCEL,
2804 cb => sub {
2805 do_reload_perl;
2806 undef $RELOAD_WATCHER;
2807 },
2808 );
2809}
2810
2370register_command "reload" => sub { 2811register_command "reload" => sub {
2371 my ($who, $arg) = @_; 2812 my ($who, $arg) = @_;
2372 2813
2373 if ($who->flag (FLAG_WIZ)) { 2814 if ($who->flag (FLAG_WIZ)) {
2374 $who->message ("start of reload.");
2375 reload;
2376 $who->message ("end of reload."); 2815 $who->message ("reloading server.");
2816 async { reload_perl };
2377 } 2817 }
2378}; 2818};
2379 2819
2380unshift @INC, $LIBDIR; 2820unshift @INC, $LIBDIR;
2381 2821
2822my $bug_warning = 0;
2823
2824our @WAIT_FOR_TICK;
2825our @WAIT_FOR_TICK_BEGIN;
2826
2827sub wait_for_tick {
2828 return unless $TICK_WATCHER->is_active;
2829 return if $Coro::current == $Coro::main;
2830
2831 my $signal = new Coro::Signal;
2832 push @WAIT_FOR_TICK, $signal;
2833 $signal->wait;
2834}
2835
2836sub wait_for_tick_begin {
2837 return unless $TICK_WATCHER->is_active;
2838 return if $Coro::current == $Coro::main;
2839
2840 my $signal = new Coro::Signal;
2841 push @WAIT_FOR_TICK_BEGIN, $signal;
2842 $signal->wait;
2843}
2844
2845 my $min = 1e6;#d#
2846 my $avg = 10;
2382$TICK_WATCHER = Event->timer ( 2847$TICK_WATCHER = Event->timer (
2383 reentrant => 0, 2848 reentrant => 0,
2849 parked => 1,
2384 prio => 0, 2850 prio => 0,
2385 at => $NEXT_TICK || $TICK, 2851 at => $NEXT_TICK || $TICK,
2386 data => WF_AUTOCANCEL, 2852 data => WF_AUTOCANCEL,
2387 cb => sub { 2853 cb => sub {
2854 if ($Coro::current != $Coro::main) {
2855 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2856 unless ++$bug_warning > 10;
2857 return;
2858 }
2859
2388 $NOW = Event::time; 2860 $NOW = $tick_start = Event::time;
2389 2861
2390 cf::server_tick; # one server iteration 2862 cf::server_tick; # one server iteration
2863
2864 0 && sync_job {#d#
2865 for(1..10) {
2866 my $t = Event::time;
2867 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2868 or die;
2869
2870 $map->width (50);
2871 $map->height (50);
2872 $map->alloc;
2873 $map->_load_objects ("/tmp/x.map", 1);
2874 my $t = Event::time - $t;
2875
2876 #next unless $t < 0.0013;#d#
2877 if ($t < $min) {
2878 $min = $t;
2879 }
2880 $avg = $avg * 0.99 + $t * 0.01;
2881 }
2882 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883 exit 0;
2884 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885 };
2886
2391 $RUNTIME += $TICK; 2887 $RUNTIME += $TICK;
2392 $NEXT_TICK += $TICK; 2888 $NEXT_TICK += $TICK;
2393 2889
2394 $WAIT_FOR_TICK->broadcast; 2890 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2891 $NEXT_RUNTIME_WRITE = $NOW + 10;
2892 Coro::async_pool {
2893 write_runtime
2894 or warn "ERROR: unable to write runtime file: $!";
2895 };
2896 }
2897
2898# my $AFTER = Event::time;
2899# warn $AFTER - $NOW;#d#
2900
2901 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902 $sig->send;
2903 }
2904 while (my $sig = shift @WAIT_FOR_TICK) {
2905 $sig->send;
2906 }
2907
2908 $NOW = Event::time;
2396 2909
2397 # if we are delayed by four ticks or more, skip them all 2910 # if we are delayed by four ticks or more, skip them all
2398 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2911 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399 2912
2400 $TICK_WATCHER->at ($NEXT_TICK); 2913 $TICK_WATCHER->at ($NEXT_TICK);
2401 $TICK_WATCHER->start; 2914 $TICK_WATCHER->start;
2915
2916 $LOAD = ($NOW - $tick_start) / $TICK;
2917 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918
2919 _post_tick;
2920
2921
2402 }, 2922 },
2403); 2923);
2404 2924
2925{
2405IO::AIO::max_poll_time $TICK * 0.2; 2926 BDB::max_poll_time $TICK * 0.1;
2406 2927 $BDB_POLL_WATCHER = Event->io (
2407Event->io ( 2928 reentrant => 0,
2408 fd => IO::AIO::poll_fileno, 2929 fd => BDB::poll_fileno,
2409 poll => 'r', 2930 poll => 'r',
2410 prio => 5, 2931 prio => 0,
2411 data => WF_AUTOCANCEL,
2412 cb => \&IO::AIO::poll_cb,
2413);
2414
2415Event->timer (
2416 data => WF_AUTOCANCEL, 2932 data => WF_AUTOCANCEL,
2417 after => 0, 2933 cb => \&BDB::poll_cb,
2418 interval => 10, 2934 );
2419 cb => sub { 2935 BDB::min_parallel 8;
2420 (Coro::unblock_sub { 2936
2421 write_runtime 2937 BDB::set_sync_prepare {
2422 or warn "ERROR: unable to write runtime file: $!"; 2938 my $status;
2939 my $current = $Coro::current;
2940 (
2941 sub {
2942 $status = $!;
2943 $current->ready; undef $current;
2944 },
2945 sub {
2946 Coro::schedule while defined $current;
2947 $! = $status;
2948 },
2949 )
2950 };
2951
2952 unless ($DB_ENV) {
2953 $DB_ENV = BDB::db_env_create;
2954
2955 cf::sync_job {
2956 eval {
2957 BDB::db_env_open
2958 $DB_ENV,
2959 $BDBDIR,
2960 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962 0666;
2963
2964 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967 $DB_ENV->set_lk_detect;
2968 };
2969
2970 cf::cleanup "db_env_open(db): $@" if $@;
2423 })->(); 2971 };
2424 }, 2972 }
2425); 2973}
2974
2975{
2976 IO::AIO::min_parallel 8;
2977
2978 undef $Coro::AIO::WATCHER;
2979 IO::AIO::max_poll_time $TICK * 0.1;
2980 $AIO_POLL_WATCHER = Event->io (
2981 reentrant => 0,
2982 data => WF_AUTOCANCEL,
2983 fd => IO::AIO::poll_fileno,
2984 poll => 'r',
2985 prio => 6,
2986 cb => \&IO::AIO::poll_cb,
2987 );
2988}
2989
2990my $_log_backtrace;
2991
2992sub _log_backtrace {
2993 my ($msg, @addr) = @_;
2994
2995 $msg =~ s/\n//;
2996
2997 # limit the # of concurrent backtraces
2998 if ($_log_backtrace < 2) {
2999 ++$_log_backtrace;
3000 async {
3001 my @bt = fork_call {
3002 @addr = map { sprintf "%x", $_ } @addr;
3003 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3005 or die "addr2line: $!";
3006
3007 my @funcs;
3008 my @res = <$fh>;
3009 chomp for @res;
3010 while (@res) {
3011 my ($func, $line) = splice @res, 0, 2, ();
3012 push @funcs, "[$func] $line";
3013 }
3014
3015 @funcs
3016 };
3017
3018 LOG llevInfo, "[ABT] $msg\n";
3019 LOG llevInfo, "[ABT] $_\n" for @bt;
3020 --$_log_backtrace;
3021 };
3022 } else {
3023 LOG llevInfo, "[ABT] $msg\n";
3024 LOG llevInfo, "[ABT] [suppressed]\n";
3025 }
3026}
3027
3028# load additional modules
3029use cf::pod;
2426 3030
2427END { cf::emergency_save } 3031END { cf::emergency_save }
2428 3032
24291 30331
2430 3034

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