ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.276 by root, Sun Jun 10 04:05:47 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 3.5 (); 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;
49our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 76our $NEXT_TICK;
52our $NOW; 77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off
79
80our $BDB_POLL_WATCHER;
81our $DB_ENV;
53 82
54our %CFG; 83our %CFG;
55 84
56our $UPTIME; $UPTIME ||= time; 85our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 86our $RUNTIME;
58 87
59our %PLAYER; # all users 88our %PLAYER; # all users
60our %MAP; # all maps 89our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 91
67# 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 ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 94
95our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing
97our $tick_start; # for load detecting purposes
98
70binmode STDOUT; 99binmode STDOUT;
71binmode STDERR; 100binmode STDERR;
72 101
73# read virtual server time, if available 102# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 103unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75 open my $fh, "<", cf::localdir . "/runtime" 104 open my $fh, "<", "$LOCALDIR/runtime"
76 or die "unable to read runtime file: $!"; 105 or die "unable to read runtime file: $!";
77 $RUNTIME = <$fh> + 0.; 106 $RUNTIME = <$fh> + 0.;
78} 107}
79 108
80mkdir cf::localdir; 109mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 111
86our $EMERGENCY_POSITION; 112our $EMERGENCY_POSITION;
113
114sub cf::map::normalise;
87 115
88############################################################################# 116#############################################################################
89 117
90=head2 GLOBAL VARIABLES 118=head2 GLOBAL VARIABLES
91 119
98=item $cf::RUNTIME 126=item $cf::RUNTIME
99 127
100The 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
101every server tick. 129every server tick.
102 130
103=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
104 134
105The perl library directory, where extensions and cf-specific modules can 135Various directories - "/etc", read-only install directory, perl-library
106be 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.
107 139
108=item $cf::NOW 140=item $cf::NOW
109 141
110The time of the last (current) server tick. 142The time of the last (current) server tick.
111 143
112=item $cf::TICK 144=item $cf::TICK
113 145
114The 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.
115 157
116=item %cf::CFG 158=item %cf::CFG
117 159
118Configuration for the server, loaded from C</etc/crossfire/config>, or 160Configuration for the server, loaded from C</etc/crossfire/config>, or
119from wherever your confdir points to. 161from wherever your confdir points to.
120 162
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 163=item cf::wait_for_tick, cf::wait_for_tick_begin
122 164
123These 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
124or 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
125processing 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.
126window of cpu time available, or simply to synchronise to the server tick.
127 168
128=back 169=back
129 170
130=cut 171=cut
131 172
132BEGIN { 173BEGIN {
133 *CORE::GLOBAL::warn = sub { 174 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 175 my $msg = join "", @_;
135 utf8::encode $msg;
136 176
137 $msg .= "\n" 177 $msg .= "\n"
138 unless $msg =~ /\n$/; 178 unless $msg =~ /\n$/;
139 179
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181
182 utf8::encode $msg;
140 LOG llevError, $msg; 183 LOG llevError, $msg;
141 }; 184 };
142} 185}
143 186
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@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';
149@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)
150 194
151# 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
152# within the Safe compartment. 196# within the Safe compartment.
153for my $pkg (qw( 197for my $pkg (qw(
154 cf::global cf::attachable 198 cf::global cf::attachable
190 $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;
191 $d 235 $d
192 } || "[unable to dump $_[0]: '$@']"; 236 } || "[unable to dump $_[0]: '$@']";
193} 237}
194 238
195use JSON::Syck (); # TODO# replace by JSON::PC once working 239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
196 240
197=item $ref = cf::from_json $json 241=item $ref = cf::from_json $json
198 242
199Converts a JSON string into the corresponding perl data structure. 243Converts a JSON string into the corresponding perl data structure.
200 244
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 245=item $json = cf::to_json $ref
209 246
210Converts a perl data structure into its JSON representation. 247Converts a perl data structure into its JSON representation.
211
212=cut
213
214sub to_json($) {
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216 JSON::Syck::Dump $_[0]
217}
218 248
219=item cf::lock_wait $string 249=item cf::lock_wait $string
220 250
221Wait until the given lock is available. See cf::lock_acquire. 251Wait until the given lock is available. See cf::lock_acquire.
222 252
228returned. 258returned.
229 259
230Lock 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
231uses map_find and cf::map::load uses map_load). 261uses map_find and cf::map::load uses map_load).
232 262
263=item $locked = cf::lock_active $string
264
265Return true if the lock is currently active, i.e. somebody has locked it.
266
233=cut 267=cut
234 268
235our %LOCK; 269our %LOCK;
236 270
237sub lock_wait($) { 271sub lock_wait($) {
256 # wake up all waiters, to be on the safe side 290 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} }; 291 $_->ready for @{ delete $LOCK{$key} };
258 } 292 }
259} 293}
260 294
295sub lock_active($) {
296 my ($key) = @_;
297
298 ! ! $LOCK{$key}
299}
300
261sub freeze_mainloop { 301sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 302 return unless $TICK_WATCHER->is_active;
263 303
264 my $guard = Coro::guard { 304 my $guard = Coro::guard {
265 $TICK_WATCHER->start; 305 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 }; 306 };
268 $WRITE_RUNTIME_WATCHER->stop;
269 $TICK_WATCHER->stop; 307 $TICK_WATCHER->stop;
270 $guard 308 $guard
271} 309}
272 310
273=item cf::async { BLOCK } 311=item cf::async { BLOCK }
295 333
296sub sync_job(&) { 334sub sync_job(&) {
297 my ($job) = @_; 335 my ($job) = @_;
298 336
299 if ($Coro::current == $Coro::main) { 337 if ($Coro::current == $Coro::main) {
338 my $time = Event::time;
339
300 # this is the main coro, too bad, we have to block 340 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 341 # till the operation succeeds, freezing the server :/
302 342
303 # TODO: use suspend/resume instead 343 # TODO: use suspend/resume instead
304 # (but this is cancel-safe) 344 # (but this is cancel-safe)
315 355
316 while ($busy) { 356 while ($busy) {
317 Coro::cede or Event::one_event; 357 Coro::cede or Event::one_event;
318 } 358 }
319 359
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
320 wantarray ? @res : $res[0] 367 wantarray ? @res : $res[0]
321 } else { 368 } else {
322 # we are in another coroutine, how wonderful, everything just works 369 # we are in another coroutine, how wonderful, everything just works
323 370
324 $job->() 371 $job->()
344 391
345 $coro 392 $coro
346} 393}
347 394
348sub write_runtime { 395sub write_runtime {
349 my $runtime = cf::localdir . "/runtime"; 396 my $runtime = "$LOCALDIR/runtime";
397
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";
350 404
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352 or return; 406 or return;
353 407
354 my $value = $cf::RUNTIME + 90 + 10; 408 my $value = $cf::RUNTIME + 90 + 10;
356 # 60 allows for the watchdog to kill the server. 410 # 60 allows for the watchdog to kill the server.
357 411
358 (aio_write $fh, 0, (length $value), $value, 0) <= 0 412 (aio_write $fh, 0, (length $value), $value, 0) <= 0
359 and return; 413 and return;
360 414
415 # always fsync - this file is important
361 aio_fsync $fh 416 aio_fsync $fh
362 and return; 417 and return;
363 418
419 # touch it again to show we are up-to-date
420 aio_utime $fh, undef, undef;
421
364 close $fh 422 close $fh
365 or return; 423 or return;
366 424
367 aio_rename "$runtime~", $runtime 425 aio_rename "$runtime~", $runtime
368 and return; 426 and return;
369 427
428 warn "runtime file written.\n";
429
370 1 430 1
431}
432
433=item cf::datalog type => key => value, ...
434
435Log a datalog packet of the given type with the given key-value pairs.
436
437=cut
438
439sub datalog($@) {
440 my ($type, %kv) = @_;
441 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371} 442}
372 443
373=back 444=back
374 445
375=cut 446=cut
555 $registry = $CB_TYPE[$object_type] ||= []; 626 $registry = $CB_TYPE[$object_type] ||= [];
556 627
557 } elsif ($type eq "subtype") { 628 } elsif ($type eq "subtype") {
558 defined $object_type or Carp::croak "subtype specified without type"; 629 defined $object_type or Carp::croak "subtype specified without type";
559 my $object_subtype = shift @arg; 630 my $object_subtype = shift @arg;
560 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 631 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561 632
562 } elsif ($type eq "package") { 633 } elsif ($type eq "package") {
563 my $pkg = shift @arg; 634 my $pkg = shift @arg;
564 635
565 while (my ($name, $id) = each %cb_id) { 636 while (my ($name, $id) = each %cb_id) {
606 if (ref $_[0]) { 677 if (ref $_[0]) {
607 _object_attach @_; 678 _object_attach @_;
608 } else { 679 } else {
609 _attach shift->_attach_registry, @_; 680 _attach shift->_attach_registry, @_;
610 } 681 }
682 _recalc_want;
611}; 683};
612 684
613# all those should be optimised 685# all those should be optimised
614sub cf::attachable::detach { 686sub cf::attachable::detach {
615 my ($obj, $name) = @_; 687 my ($obj, $name) = @_;
618 delete $obj->{_attachment}{$name}; 690 delete $obj->{_attachment}{$name};
619 reattach ($obj); 691 reattach ($obj);
620 } else { 692 } else {
621 Carp::croak "cannot, currently, detach class attachments"; 693 Carp::croak "cannot, currently, detach class attachments";
622 } 694 }
695 _recalc_want;
623}; 696};
624 697
625sub cf::attachable::attached { 698sub cf::attachable::attached {
626 my ($obj, $name) = @_; 699 my ($obj, $name) = @_;
627 700
750 $filename, length $$rdata, scalar @$objs; 823 $filename, length $$rdata, scalar @$objs;
751 824
752 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753 chmod SAVE_MODE, $fh; 826 chmod SAVE_MODE, $fh;
754 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 827 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755 aio_fsync $fh; 828 aio_fsync $fh if $cf::USE_FSYNC;
756 close $fh; 829 close $fh;
757 830
758 if (@$objs) { 831 if (@$objs) {
759 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) {
760 chmod SAVE_MODE, $fh; 833 chmod SAVE_MODE, $fh;
761 my $data = Storable::nfreeze { version => 1, objs => $objs }; 834 my $data = Storable::nfreeze { version => 1, objs => $objs };
762 aio_write $fh, 0, (length $data), $data, 0; 835 aio_write $fh, 0, (length $data), $data, 0;
763 aio_fsync $fh; 836 aio_fsync $fh if $cf::USE_FSYNC;
764 close $fh; 837 close $fh;
765 aio_rename "$filename.pst~", "$filename.pst"; 838 aio_rename "$filename.pst~", "$filename.pst";
766 } 839 }
767 } else { 840 } else {
768 aio_unlink "$filename.pst"; 841 aio_unlink "$filename.pst";
800 or return; 873 or return;
801 $av = eval { (Storable::thaw $av)->{objs} }; 874 $av = eval { (Storable::thaw $av)->{objs} };
802 } 875 }
803 876
804 warn sprintf "loading %s (%d)\n", 877 warn sprintf "loading %s (%d)\n",
805 $filename, length $data, scalar @{$av || []};#d# 878 $filename, length $data, scalar @{$av || []};
806 return ($data, $av); 879 return ($data, $av);
807} 880}
808 881
809############################################################################# 882#############################################################################
810# command handling &c 883# command handling &c
937Returns the given player object, loading it if necessary (might block). 1010Returns the given player object, loading it if necessary (might block).
938 1011
939=cut 1012=cut
940 1013
941sub playerdir($) { 1014sub playerdir($) {
942 cf::localdir 1015 "$PLAYERDIR/"
943 . "/"
944 . cf::playerdir
945 . "/"
946 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1016 . (ref $_[0] ? $_[0]->ob->name : $_[0])
947} 1017}
948 1018
949sub path($) { 1019sub path($) {
950 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1020 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951 1021
952 (playerdir $login) . "/$login.pl" 1022 (playerdir $login) . "/playerdata"
953} 1023}
954 1024
955sub find_active($) { 1025sub find_active($) {
956 $cf::PLAYER{$_[0]} 1026 $cf::PLAYER{$_[0]}
957 and $cf::PLAYER{$_[0]}->active 1027 and $cf::PLAYER{$_[0]}->active
970 my $login = $_[0]; 1040 my $login = $_[0];
971 1041
972 my $guard = cf::lock_acquire "user_find:$login"; 1042 my $guard = cf::lock_acquire "user_find:$login";
973 1043
974 $cf::PLAYER{$_[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
975 my $pl = load_pl path $login 1052 my $pl = load_pl path $login
976 or return; 1053 or return;
977 $cf::PLAYER{$login} = $pl 1054 $cf::PLAYER{$login} = $pl
978 } 1055 }
979 } 1056 }
1016 1093
1017=cut 1094=cut
1018 1095
1019sub quit_character { 1096sub quit_character {
1020 my ($pl) = @_; 1097 my ($pl) = @_;
1098
1099 my $name = $pl->ob->name;
1021 1100
1022 $pl->{deny_save} = 1; 1101 $pl->{deny_save} = 1;
1023 $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
1024 1103
1025 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1030 my $path = playerdir $pl; 1109 my $path = playerdir $pl;
1031 my $temp = "$path~$cf::RUNTIME~deleting~"; 1110 my $temp = "$path~$cf::RUNTIME~deleting~";
1032 aio_rename $path, $temp; 1111 aio_rename $path, $temp;
1033 delete $cf::PLAYER{$pl->ob->name}; 1112 delete $cf::PLAYER{$pl->ob->name};
1034 $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
1035 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;
1036} 1135}
1037 1136
1038=item cf::player::list_logins 1137=item cf::player::list_logins
1039 1138
1040Returns 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
1041while and may block, so not sync_job-capable, ever. 1140while and may block, so not sync_job-capable, ever.
1042 1141
1043=cut 1142=cut
1044 1143
1045sub list_logins { 1144sub list_logins {
1046 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1145 my $dirs = aio_readdir $PLAYERDIR
1047 or return []; 1146 or return [];
1048 1147
1049 my @logins; 1148 my @logins;
1050 1149
1051 for my $login (@$dirs) { 1150 for my $login (@$dirs) {
1068=cut 1167=cut
1069 1168
1070sub maps($) { 1169sub maps($) {
1071 my ($pl) = @_; 1170 my ($pl) = @_;
1072 1171
1172 $pl = ref $pl ? $pl->ob->name : $pl;
1173
1073 my $files = aio_readdir playerdir $pl 1174 my $files = aio_readdir playerdir $pl
1074 or return; 1175 or return;
1075 1176
1076 my @paths; 1177 my @paths;
1077 1178
1078 for (@$files) { 1179 for (@$files) {
1079 utf8::decode $_; 1180 utf8::decode $_;
1080 next if /\.(?:pl|pst)$/; 1181 next if /\.(?:pl|pst)$/;
1081 next unless /^$PATH_SEP/o; 1182 next unless /^$PATH_SEP/o;
1082 1183
1083 s/\.map$//; 1184 push @paths, cf::map::normalise "~$pl/$_";
1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1085 } 1185 }
1086 1186
1087 \@paths 1187 \@paths
1088} 1188}
1089 1189
1090=item $player->ext_reply ($msgid, $msgtype, %msg) 1190=item $player->ext_reply ($msgid, %msg)
1091 1191
1092Sends an ext reply to the player. 1192Sends an ext reply to the player.
1093 1193
1094=cut 1194=cut
1095 1195
1096sub ext_reply($$$%) { 1196sub ext_reply($$%) {
1097 my ($self, $id, %msg) = @_; 1197 my ($self, $id, %msg) = @_;
1098 1198
1099 $msg{msgid} = $id; 1199 $msg{msgid} = $id;
1100 1200
1101 $self->send ("ext " . cf::to_json \%msg); 1201 $self->send ("ext " . cf::to_json \%msg);
1102} 1202}
1103 1203
1104package 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}
1105 1244
1106=back 1245=back
1107
1108 1246
1109=head3 cf::map 1247=head3 cf::map
1110 1248
1111=over 4 1249=over 4
1112 1250
1167 my ($self, $merge) = @_; 1305 my ($self, $merge) = @_;
1168 1306
1169 # we have to keep some variables in memory intact 1307 # we have to keep some variables in memory intact
1170 local $self->{path}; 1308 local $self->{path};
1171 local $self->{load_path}; 1309 local $self->{load_path};
1172 local $self->{deny_save};
1173 local $self->{deny_reset};
1174 1310
1175 $self->SUPER::thawer_merge ($merge); 1311 $self->SUPER::thawer_merge ($merge);
1176} 1312}
1177 1313
1178sub normalise { 1314sub normalise {
1179 my ($path, $base) = @_; 1315 my ($path, $base) = @_;
1180 1316
1181 $path = "$path"; # make sure its a string 1317 $path = "$path"; # make sure its a string
1318
1319 $path =~ s/\.map$//;
1182 1320
1183 # map plan: 1321 # map plan:
1184 # 1322 #
1185 # /! non-realised random map exit (special hack!) 1323 # /! non-realised random map exit (special hack!)
1186 # {... are special paths that are not being touched 1324 # {... are special paths that are not being touched
1248 1386
1249# the original (read-only) location 1387# the original (read-only) location
1250sub load_path { 1388sub load_path {
1251 my ($self) = @_; 1389 my ($self) = @_;
1252 1390
1253 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1391 "$MAPDIR/$self->{path}.map"
1254} 1392}
1255 1393
1256# the temporary/swap location 1394# the temporary/swap location
1257sub save_path { 1395sub save_path {
1258 my ($self) = @_; 1396 my ($self) = @_;
1259 1397
1260 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1398 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1399 "$TMPDIR/$path.map"
1262} 1400}
1263 1401
1264# the unique path, undef == no special unique path 1402# the unique path, undef == no special unique path
1265sub uniq_path { 1403sub uniq_path {
1266 my ($self) = @_; 1404 my ($self) = @_;
1267 1405
1268 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1406 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1407 "$UNIQUEDIR/$path"
1270} 1408}
1271 1409
1272# and all this just because we cannot iterate over 1410# and all this just because we cannot iterate over
1273# all maps in C++... 1411# all maps in C++...
1274sub change_all_map_light { 1412sub change_all_map_light {
1276 1414
1277 $_->change_map_light ($change) 1415 $_->change_map_light ($change)
1278 for grep $_->outdoor, values %cf::MAP; 1416 for grep $_->outdoor, values %cf::MAP;
1279} 1417}
1280 1418
1419sub decay_objects {
1420 my ($self) = @_;
1421
1422 return if $self->{deny_reset};
1423
1424 $self->do_decay_objects;
1425}
1426
1281sub unlink_save { 1427sub unlink_save {
1282 my ($self) = @_; 1428 my ($self) = @_;
1283 1429
1284 utf8::encode (my $save = $self->save_path); 1430 utf8::encode (my $save = $self->save_path);
1285 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1431 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1288 1434
1289sub load_header_from($) { 1435sub load_header_from($) {
1290 my ($self, $path) = @_; 1436 my ($self, $path) = @_;
1291 1437
1292 utf8::encode $path; 1438 utf8::encode $path;
1293 aio_open $path, O_RDONLY, 0 1439 #aio_open $path, O_RDONLY, 0
1294 or return; 1440 # or return;
1295 1441
1296 $self->_load_header ($path) 1442 $self->_load_header ($path)
1297 or return; 1443 or return;
1298 1444
1299 $self->{load_path} = $path; 1445 $self->{load_path} = $path;
1341 $self->load_header_orig 1487 $self->load_header_orig
1342 or return; 1488 or return;
1343 $self->prepare_orig; 1489 $self->prepare_orig;
1344 } 1490 }
1345 1491
1492 $self->{deny_reset} = 1
1493 if $self->no_reset;
1494
1495 $self->default_region (cf::region::find_by_path $self->{path})
1496 unless $self->default_region;
1497
1346 1 1498 1
1347} 1499}
1348 1500
1349sub find; 1501sub find;
1350sub find { 1502sub find {
1362 $map->{last_save} = $cf::RUNTIME; 1514 $map->{last_save} = $cf::RUNTIME;
1363 1515
1364 $map->load_header 1516 $map->load_header
1365 or return; 1517 or return;
1366 1518
1367 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368 # doing this can freeze the server in a sync job, obviously 1520 # doing this can freeze the server in a sync job, obviously
1369 #$cf::WAIT_FOR_TICK->wait; 1521 #$cf::WAIT_FOR_TICK->wait;
1370 $map->reset; 1522 $map->reset;
1371 undef $guard; 1523 undef $guard;
1372 return find $path; 1524 return find $path;
1383 my ($self) = @_; 1535 my ($self) = @_;
1384 1536
1385 local $self->{deny_reset} = 1; # loading can take a long time 1537 local $self->{deny_reset} = 1; # loading can take a long time
1386 1538
1387 my $path = $self->{path}; 1539 my $path = $self->{path};
1540
1541 {
1388 my $guard = cf::lock_acquire "map_load:$path"; 1542 my $guard = cf::lock_acquire "map_load:$path";
1389 1543
1390 return if $self->in_memory != cf::MAP_SWAPPED; 1544 return if $self->in_memory != cf::MAP_SWAPPED;
1391 1545
1392 $self->in_memory (cf::MAP_LOADING); 1546 $self->in_memory (cf::MAP_LOADING);
1393 1547
1394 $self->alloc; 1548 $self->alloc;
1395 1549
1396 $self->pre_load; 1550 $self->pre_load;
1397
1398 $self->_load_objects ($self->{load_path}, 1)
1399 or return;
1400
1401 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1402 if delete $self->{load_original};
1403
1404 if (my $uniq = $self->uniq_path) {
1405 utf8::encode $uniq;
1406 if (aio_open $uniq, O_RDONLY, 0) {
1407 $self->clear_unique_items;
1408 $self->_load_objects ($uniq, 0);
1409 }
1410 }
1411
1412 Coro::cede;
1413
1414 # now do the right thing for maps
1415 $self->link_multipart_objects;
1416
1417 unless ($self->{deny_activate}) {
1418 $self->decay_objects;
1419 $self->fix_auto_apply;
1420 $self->update_buttons;
1421 Coro::cede; 1551 Coro::cede;
1422 $self->set_darkness_map; 1552
1553 $self->_load_objects ($self->{load_path}, 1)
1554 or return;
1555
1556 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557 if delete $self->{load_original};
1558
1559 if (my $uniq = $self->uniq_path) {
1560 utf8::encode $uniq;
1561 if (aio_open $uniq, O_RDONLY, 0) {
1562 $self->clear_unique_items;
1563 $self->_load_objects ($uniq, 0);
1564 }
1565 }
1566
1567 Coro::cede;
1568 # now do the right thing for maps
1569 $self->link_multipart_objects;
1423 $self->difficulty ($self->estimate_difficulty) 1570 $self->difficulty ($self->estimate_difficulty)
1424 unless $self->difficulty; 1571 unless $self->difficulty;
1425 Coro::cede; 1572 Coro::cede;
1573
1574 unless ($self->{deny_activate}) {
1575 $self->decay_objects;
1576 $self->fix_auto_apply;
1577 $self->update_buttons;
1578 Coro::cede;
1579 $self->set_darkness_map;
1580 Coro::cede;
1426 $self->activate; 1581 $self->activate;
1582 }
1583
1584 $self->in_memory (cf::MAP_IN_MEMORY);
1427 } 1585 }
1428 1586
1429 $self->post_load; 1587 $self->post_load;
1430
1431 $self->in_memory (cf::MAP_IN_MEMORY);
1432} 1588}
1433 1589
1434sub customise_for { 1590sub customise_for {
1435 my ($self, $ob) = @_; 1591 my ($self, $ob) = @_;
1436 1592
1437 return find "~" . $ob->name . "/" . $self->{path} 1593 return find "~" . $ob->name . "/" . $self->{path}
1438 if $self->per_player; 1594 if $self->per_player;
1595
1596# return find "?party/" . $ob->name . "/" . $self->{path}
1597# if $self->per_party;
1439 1598
1440 $self 1599 $self
1441} 1600}
1442 1601
1443# find and load all maps in the 3x3 area around a map 1602# find and load all maps in the 3x3 area around a map
1554 1713
1555sub reset_at { 1714sub reset_at {
1556 my ($self) = @_; 1715 my ($self) = @_;
1557 1716
1558 # TODO: safety, remove and allow resettable per-player maps 1717 # TODO: safety, remove and allow resettable per-player maps
1559 return 1e99 if $self->isa ("ext::map_per_player");#d#
1560 return 1e99 if $self->{deny_reset}; 1718 return 1e99 if $self->{deny_reset};
1561 1719
1562 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1720 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1721 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564 1722
1575 my ($self) = @_; 1733 my ($self) = @_;
1576 1734
1577 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1735 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 1736
1579 return if $self->players; 1737 return if $self->players;
1580 return if $self->isa ("ext::map_per_player");#d#
1581 1738
1582 warn "resetting map ", $self->path;#d# 1739 warn "resetting map ", $self->path;
1740
1741 $self->in_memory (cf::MAP_SWAPPED);
1742
1743 # need to save uniques path
1744 unless ($self->{deny_save}) {
1745 my $uniq = $self->uniq_path; utf8::encode $uniq;
1746
1747 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1748 if $uniq;
1749 }
1583 1750
1584 delete $cf::MAP{$self->path}; 1751 delete $cf::MAP{$self->path};
1585 1752
1586 $self->in_memory (cf::MAP_SWAPPED);
1587 $self->clear; 1753 $self->clear;
1588 1754
1589 $_->clear_links_to ($self) for values %cf::MAP; 1755 $_->clear_links_to ($self) for values %cf::MAP;
1590 1756
1591 $self->unlink_save; 1757 $self->unlink_save;
1610 $cf::MAP{$self->path} = $self; 1776 $cf::MAP{$self->path} = $self;
1611 1777
1612 $self->reset; # polite request, might not happen 1778 $self->reset; # polite request, might not happen
1613} 1779}
1614 1780
1781=item $maps = cf::map::tmp_maps
1782
1783Returns an arrayref with all map paths of currently instantiated and saved
1784maps.
1785
1786=cut
1787
1788sub tmp_maps() {
1789 [
1790 map {
1791 utf8::decode $_;
1792 !/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1793 ? normalise $_
1794 : ()
1795 } @{ aio_readdir $TMPDIR or [] }
1796 ]
1797}
1798
1615=item cf::map::unique_maps 1799=item cf::map::unique_maps
1616 1800
1617Returns an arrayref of paths of all shared maps that have 1801Returns an arrayref of paths of all shared maps that have
1618instantiated unique items. May block. 1802instantiated unique items. May block.
1619 1803
1620=cut 1804=cut
1621 1805
1622sub unique_maps() { 1806sub unique_maps() {
1623 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1807 [
1624 or return; 1808 map {
1625
1626 my @paths;
1627
1628 for (@$files) {
1629 utf8::decode $_; 1809 utf8::decode $_;
1630 next if /\.pst$/; 1810 !/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1631 next unless /^$PATH_SEP/o; 1811 ? normalise $_
1632 1812 : ()
1633 s/\.map$//; 1813 } @{ aio_readdir $UNIQUEDIR or [] }
1634 push @paths, $_;
1635 } 1814 ]
1636
1637 \@paths
1638} 1815}
1639 1816
1640package cf; 1817package cf;
1641 1818
1642=back 1819=back
1748 $self->deactivate_recursive; 1925 $self->deactivate_recursive;
1749 1926
1750 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1927 return if UNIVERSAL::isa $self->map, "ext::map_link";
1751 1928
1752 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1929 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753 if $self->map; 1930 if $self->map && $self->map->{path} ne "{link}";
1754 1931
1755 $self->enter_map ($LINK_MAP || link_map, 10, 10); 1932 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1756} 1933}
1757 1934
1758sub cf::object::player::leave_link { 1935sub cf::object::player::leave_link {
1759 my ($self, $map, $x, $y) = @_; 1936 my ($self, $map, $x, $y) = @_;
1937
1938 return unless $self->contr->active;
1760 1939
1761 my $link_pos = delete $self->{_link_pos}; 1940 my $link_pos = delete $self->{_link_pos};
1762 1941
1763 unless ($map) { 1942 unless ($map) {
1764 # restore original map position 1943 # restore original map position
1782 $map->load; 1961 $map->load;
1783 $map->load_diag; 1962 $map->load_diag;
1784 1963
1785 return unless $self->contr->active; 1964 return unless $self->contr->active;
1786 $self->activate_recursive; 1965 $self->activate_recursive;
1966
1967 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787 $self->enter_map ($map, $x, $y); 1968 $self->enter_map ($map, $x, $y);
1788} 1969}
1789 1970
1790cf::player->attach (
1791 on_logout => sub {
1792 my ($pl) = @_;
1793
1794 # abort map switching before logout
1795 if ($pl->ob->{_link_pos}) {
1796 cf::sync_job {
1797 $pl->ob->leave_link
1798 };
1799 }
1800 },
1801 on_login => sub {
1802 my ($pl) = @_;
1803
1804 # try to abort aborted map switching on player login :)
1805 # should happen only on crashes
1806 if ($pl->ob->{_link_pos}) {
1807 $pl->ob->enter_link;
1808 (async {
1809 # we need this sleep as the login has a concurrent enter_exit running
1810 # and this sleep increases chances of the player not ending up in scorn
1811 $pl->ob->reply (undef,
1812 "There was an internal problem at your last logout, "
1813 . "the server will try to bring you to your intended destination in a second.",
1814 cf::NDI_RED);
1815 Coro::Timer::sleep 1;
1816 $pl->ob->leave_link;
1817 })->prio (2);
1818 }
1819 },
1820);
1821
1822=item $player_object->goto ($path, $x, $y) 1971=item $player_object->goto ($path, $x, $y[, $check->($map)])
1823 1972
1973Moves the player to the given map-path and coordinates by first freezing
1974her, loading and preparing them map, calling the provided $check callback
1975that has to return the map if sucecssful, and then unfreezes the player on
1976the new (success) or old (failed) map position.
1977
1824=cut 1978=cut
1979
1980our $GOTOGEN;
1825 1981
1826sub cf::object::player::goto { 1982sub cf::object::player::goto {
1827 my ($self, $path, $x, $y) = @_; 1983 my ($self, $path, $x, $y, $check) = @_;
1984
1985 # do generation counting so two concurrent goto's will be executed in-order
1986 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828 1987
1829 $self->enter_link; 1988 $self->enter_link;
1830 1989
1831 (async { 1990 (async {
1832 my $map = eval { 1991 my $map = eval {
1833 my $map = cf::map::find $path; 1992 my $map = cf::map::find $path;
1993
1994 if ($map) {
1834 $map = $map->customise_for ($self) if $map; 1995 $map = $map->customise_for ($self);
1996 $map = $check->($map) if $check && $map;
1997 } else {
1998 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1999 }
2000
1835 $map 2001 $map
2002 };
2003
2004 if ($@) {
2005 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2006 LOG llevError | logBacktrace, Carp::longmess $@;
1836 } or 2007 }
1837 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838 2008
2009 if ($gen == $self->{_goto_generation}) {
2010 delete $self->{_goto_generation};
1839 $self->leave_link ($map, $x, $y); 2011 $self->leave_link ($map, $x, $y);
2012 }
1840 })->prio (1); 2013 })->prio (1);
1841} 2014}
1842 2015
1843=item $player_object->enter_exit ($exit_object) 2016=item $player_object->enter_exit ($exit_object)
1844 2017
1883 2056
1884 $rmp->{random_seed} ||= $exit->random_seed; 2057 $rmp->{random_seed} ||= $exit->random_seed;
1885 2058
1886 my $data = cf::to_json $rmp; 2059 my $data = cf::to_json $rmp;
1887 my $md5 = Digest::MD5::md5_hex $data; 2060 my $md5 = Digest::MD5::md5_hex $data;
1888 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2061 my $meta = "$RANDOMDIR/$md5.meta";
1889 2062
1890 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2063 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891 aio_write $fh, 0, (length $data), $data, 0; 2064 aio_write $fh, 0, (length $data), $data, 0;
1892 undef $fh; 2065 undef $fh;
1893 aio_rename "$meta~", $meta; 2066 aio_rename "$meta~", $meta;
1902 2075
1903 return unless $self->type == cf::PLAYER; 2076 return unless $self->type == cf::PLAYER;
1904 2077
1905 if ($exit->slaying eq "/!") { 2078 if ($exit->slaying eq "/!") {
1906 #TODO: this should de-fi-ni-te-ly not be a sync-job 2079 #TODO: this should de-fi-ni-te-ly not be a sync-job
2080 # the problem is that $exit might not survive long enough
2081 # so it needs to be done right now, right here
1907 cf::sync_job { prepare_random_map $exit }; 2082 cf::sync_job { prepare_random_map $exit };
1908 } 2083 }
1909 2084
1910 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2085 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911 my $hp = $exit->stats->hp; 2086 my $hp = $exit->stats->hp;
1919 $self->goto ($slaying, $hp, $sp); 2094 $self->goto ($slaying, $hp, $sp);
1920 2095
1921 1; 2096 1;
1922 }) { 2097 }) {
1923 $self->message ("Something went wrong deep within the crossfire server. " 2098 $self->message ("Something went wrong deep within the crossfire server. "
1924 . "I'll try to bring you back to the map you were before. " 2099 . "I'll try to bring you back to the map you were before. "
1925 . "Please report this to the dungeon master!", 2100 . "Please report this to the dungeon master!",
1926 cf::NDI_UNIQUE | cf::NDI_RED); 2101 cf::NDI_UNIQUE | cf::NDI_RED);
1927 2102
1928 warn "ERROR in enter_exit: $@"; 2103 warn "ERROR in enter_exit: $@";
1929 $self->leave_link; 2104 $self->leave_link;
1930 } 2105 }
1931 })->prio (1); 2106 })->prio (1);
1944 2119
1945sub cf::client::send_drawinfo { 2120sub cf::client::send_drawinfo {
1946 my ($self, $text, $flags) = @_; 2121 my ($self, $text, $flags) = @_;
1947 2122
1948 utf8::encode $text; 2123 utf8::encode $text;
1949 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2124 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950} 2125}
1951 2126
2127=item $client->ext_event ($type, %msg)
2128
2129Sends an exti event to the client.
2130
2131=cut
2132
2133sub cf::client::ext_event($$%) {
2134 my ($self, $type, %msg) = @_;
2135
2136 $msg{msgtype} = "event_$type";
2137 $self->send_packet ("ext " . cf::to_json \%msg);
2138}
1952 2139
1953=item $success = $client->query ($flags, "text", \&cb) 2140=item $success = $client->query ($flags, "text", \&cb)
1954 2141
1955Queues a query to the client, calling the given callback with 2142Queues a query to the client, calling the given callback with
1956the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2143the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1985 # get handled first 2172 # get handled first
1986 my $queue = delete $ns->{query_queue} 2173 my $queue = delete $ns->{query_queue}
1987 or return; # be conservative, not sure how that can happen, but we saw a crash here 2174 or return; # be conservative, not sure how that can happen, but we saw a crash here
1988 2175
1989 (shift @$queue)->[1]->($msg); 2176 (shift @$queue)->[1]->($msg);
2177 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990 2178
1991 push @{ $ns->{query_queue} }, @$queue; 2179 push @{ $ns->{query_queue} }, @$queue;
1992 2180
1993 if (@{ $ns->{query_queue} } == @$queue) { 2181 if (@{ $ns->{query_queue} } == @$queue) {
1994 if (@$queue) { 2182 if (@$queue) {
2052 2240
2053# here we export the classes and methods available to script code 2241# here we export the classes and methods available to script code
2054 2242
2055=pod 2243=pod
2056 2244
2057The following fucntions and emthods are available within a safe environment: 2245The following functions and methods are available within a safe environment:
2058 2246
2059 cf::object contr pay_amount pay_player map 2247 cf::object contr pay_amount pay_player map
2060 cf::object::player player 2248 cf::object::player player
2061 cf::player peaceful 2249 cf::player peaceful
2062 cf::map trigger 2250 cf::map trigger
2147############################################################################# 2335#############################################################################
2148 2336
2149=head2 EXTENSION DATABASE SUPPORT 2337=head2 EXTENSION DATABASE SUPPORT
2150 2338
2151Crossfire maintains a very simple database for extension use. It can 2339Crossfire maintains a very simple database for extension use. It can
2152currently store anything that can be serialised using Storable, which 2340currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2153excludes objects. 2341convert to/from binary).
2154 2342
2155The parameter C<$family> should best start with the name of the extension 2343The parameter C<$family> should best start with the name of the extension
2156using it, it should be unique. 2344using it, it should be unique.
2157 2345
2158=over 4 2346=over 4
2159 2347
2160=item $hashref = cf::db_get $family
2161
2162Return a hashref for use by the extension C<$family>, which can be
2163modified. After modifications, you have to call C<cf::db_dirty> or
2164C<cf::db_sync>.
2165
2166=item $value = cf::db_get $family => $key 2348=item $value = cf::db_get $family => $key
2167 2349
2168Returns a single value from the database 2350Returns a single value from the database.
2169
2170=item cf::db_put $family => $hashref
2171
2172Stores the given family hashref into the database. Updates are delayed, if
2173you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174 2351
2175=item cf::db_put $family => $key => $value 2352=item cf::db_put $family => $key => $value
2176 2353
2177Stores the given C<$value> in the family hash. Updates are delayed, if you 2354Stores the given C<$value> in the family.
2178want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180=item cf::db_dirty
2181
2182Marks the database as dirty, to be updated at a later time.
2183
2184=item cf::db_sync
2185
2186Immediately write the database to disk I<if it is dirty>.
2187 2355
2188=cut 2356=cut
2189 2357
2190our $DB; 2358our $DB;
2191 2359
2192{ 2360sub db_init {
2193 my $path = cf::localdir . "/database.pst"; 2361 unless ($DB) {
2362 $DB = BDB::db_create $DB_ENV;
2194 2363
2195 sub db_load() { 2364 cf::sync_job {
2196 $DB = stat $path ? Storable::retrieve $path : { }; 2365 eval {
2197 } 2366 $DB->set_flags (BDB::CHKSUM);
2198 2367
2199 my $pid; 2368 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2200 2369 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2201 sub db_save() { 2370 cf::cleanup "db_open(db): $!" if $!;
2202 waitpid $pid, 0 if $pid; 2371 };
2203 if (0 == ($pid = fork)) { 2372 cf::cleanup "db_open(db): $@" if $@;
2204 $DB->{_meta}{version} = 1;
2205 Storable::nstore $DB, "$path~";
2206 rename "$path~", $path;
2207 cf::_exit 0 if defined $pid;
2208 } 2373 };
2209 } 2374 }
2375}
2210 2376
2211 my $dirty;
2212
2213 sub db_sync() {
2214 db_save if $dirty;
2215 undef $dirty;
2216 }
2217
2218 my $idle = Event->idle (
2219 reentrant => 0,
2220 min => 10,
2221 max => 20,
2222 repeat => 0,
2223 data => WF_AUTOCANCEL,
2224 cb => \&db_sync,
2225 );
2226
2227 sub db_dirty() {
2228 $dirty = 1;
2229 $idle->start;
2230 }
2231
2232 sub db_get($;$) { 2377sub db_get($$) {
2233 @_ >= 2 2378 my $key = "$_[0]/$_[1]";
2234 ? $DB->{$_[0]}{$_[1]}
2235 : ($DB->{$_[0]} ||= { })
2236 }
2237 2379
2380 cf::sync_job {
2381 BDB::db_get $DB, undef, $key, my $data;
2382
2383 $! ? ()
2384 : $data
2385 }
2386}
2387
2238 sub db_put($$;$) { 2388sub db_put($$$) {
2239 if (@_ >= 3) { 2389 BDB::dbreq_pri 4;
2240 $DB->{$_[0]}{$_[1]} = $_[2]; 2390 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2241 } else { 2391}
2242 $DB->{$_[0]} = $_[1];
2243 }
2244 db_dirty;
2245 }
2246 2392
2247 cf::global->attach ( 2393=item cf::cache $id => [$paths...], $processversion => $process
2248 prio => 10000, 2394
2249 on_cleanup => sub { 2395Generic caching function that returns the value of the resource $id,
2250 db_sync; 2396caching and regenerating as required.
2397
2398This function can block.
2399
2400=cut
2401
2402sub cache {
2403 my ($id, $src, $processversion, $process) = @_;
2404
2405 my $meta =
2406 join "\x00",
2407 $processversion,
2408 map {
2409 aio_stat $_
2410 and Carp::croak "$_: $!";
2411
2412 ($_, (stat _)[7,9])
2413 } @$src;
2414
2415 my $dbmeta = db_get cache => "$id/meta";
2416 if ($dbmeta ne $meta) {
2417 # changed, we may need to process
2418
2419 my @data;
2420 my $md5;
2421
2422 for (0 .. $#$src) {
2423 0 <= aio_load $src->[$_], $data[$_]
2424 or Carp::croak "$src->[$_]: $!";
2251 }, 2425 }
2252 ); 2426
2427 # if processing is expensive, check
2428 # checksum first
2429 if (1) {
2430 $md5 =
2431 join "\x00",
2432 $processversion,
2433 map {
2434 Coro::cede;
2435 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2436 } 0.. $#$src;
2437
2438
2439 my $dbmd5 = db_get cache => "$id/md5";
2440 if ($dbmd5 eq $md5) {
2441 db_put cache => "$id/meta", $meta;
2442
2443 return db_get cache => "$id/data";
2444 }
2445 }
2446
2447 my $t1 = Time::HiRes::time;
2448 my $data = $process->(\@data);
2449 my $t2 = Time::HiRes::time;
2450
2451 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453 db_put cache => "$id/data", $data;
2454 db_put cache => "$id/md5" , $md5;
2455 db_put cache => "$id/meta", $meta;
2456
2457 return $data;
2458 }
2459
2460 db_get cache => "$id/data"
2461}
2462
2463=item fork_call { }, $args
2464
2465Executes the given code block with the given arguments in a seperate
2466process, returning the results. Everything must be serialisable with
2467Coro::Storable. May, of course, block. Note that the executed sub may
2468never block itself or use any form of Event handling.
2469
2470=cut
2471
2472sub fork_call(&@) {
2473 my ($cb, @args) = @_;
2474
2475# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476# or die "socketpair: $!";
2477 pipe my $fh1, my $fh2
2478 or die "pipe: $!";
2479
2480 if (my $pid = fork) {
2481 close $fh2;
2482
2483 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484 $res = Coro::Storable::thaw $res;
2485
2486 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488 die $$res unless "ARRAY" eq ref $res;
2489
2490 return wantarray ? @$res : $res->[-1];
2491 } else {
2492 reset_signals;
2493 local $SIG{__WARN__};
2494 local $SIG{__DIE__};
2495 eval {
2496 close $fh1;
2497
2498 my @res = eval { $cb->(@args) };
2499 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500 };
2501
2502 warn $@ if $@;
2503 _exit 0;
2504 }
2253} 2505}
2254 2506
2255############################################################################# 2507#############################################################################
2256# the server's main() 2508# the server's init and main functions
2509
2510sub load_facedata($) {
2511 my ($path) = @_;
2512
2513 warn "loading facedata from $path\n";
2514
2515 my $facedata;
2516 0 < aio_load $path, $facedata
2517 or die "$path: $!";
2518
2519 $facedata = Coro::Storable::thaw $facedata;
2520
2521 $facedata->{version} == 2
2522 or cf::cleanup "$path: version mismatch, cannot proceed.";
2523
2524 {
2525 my $faces = $facedata->{faceinfo};
2526
2527 while (my ($face, $info) = each %$faces) {
2528 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2529 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2530 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2531 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2532 Coro::cede;
2533 }
2534
2535 while (my ($face, $info) = each %$faces) {
2536 next unless $info->{smooth};
2537 my $idx = cf::face::find $face
2538 or next;
2539 if (my $smooth = cf::face::find $info->{smooth}) {
2540 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2541 } else {
2542 warn "smooth face '$info->{smooth}' not found for face '$face'";
2543 }
2544 Coro::cede;
2545 }
2546 }
2547
2548 {
2549 my $anims = $facedata->{animinfo};
2550
2551 while (my ($anim, $info) = each %$anims) {
2552 cf::anim::set $anim, $info->{frames}, $info->{facings};
2553 Coro::cede;
2554 }
2555
2556 cf::anim::invalidate_all; # d'oh
2557 }
2558
2559 1
2560}
2561
2562sub reload_regions {
2563 load_resource_file "$MAPDIR/regions"
2564 or die "unable to load regions file\n";
2565}
2566
2567sub reload_facedata {
2568 load_facedata "$DATADIR/facedata"
2569 or die "unable to load facedata\n";
2570}
2571
2572sub reload_archetypes {
2573 load_resource_file "$DATADIR/archetypes"
2574 or die "unable to load archetypes\n";
2575}
2576
2577sub reload_treasures {
2578 load_resource_file "$DATADIR/treasures"
2579 or die "unable to load treasurelists\n";
2580}
2581
2582sub reload_resources {
2583 warn "reloading resource files...\n";
2584
2585 reload_regions;
2586 reload_facedata;
2587 #reload_archetypes;#d#
2588 reload_archetypes;
2589 reload_treasures;
2590
2591 warn "finished reloading resource files\n";
2592}
2593
2594sub init {
2595 reload_resources;
2596}
2257 2597
2258sub cfg_load { 2598sub cfg_load {
2259 open my $fh, "<:utf8", cf::confdir . "/config" 2599 open my $fh, "<:utf8", "$CONFDIR/config"
2260 or return; 2600 or return;
2261 2601
2262 local $/; 2602 local $/;
2263 *CFG = YAML::Syck::Load <$fh>; 2603 *CFG = YAML::Syck::Load <$fh>;
2264 2604
2284 Event::one_event; 2624 Event::one_event;
2285 })->prio (Coro::PRIO_MAX); 2625 })->prio (Coro::PRIO_MAX);
2286 }; 2626 };
2287 2627
2288 cfg_load; 2628 cfg_load;
2289 db_load; 2629 db_init;
2290 load_extensions; 2630 load_extensions;
2291 2631
2292 $TICK_WATCHER->start; 2632 $TICK_WATCHER->start;
2293 Event::loop; 2633 Event::loop;
2294} 2634}
2333 my $map = $cf::MAP{$path} or next; 2673 my $map = $cf::MAP{$path} or next;
2334 $map->valid or next; 2674 $map->valid or next;
2335 $map->save; 2675 $map->save;
2336 } 2676 }
2337 warn "end emergency map save\n"; 2677 warn "end emergency map save\n";
2678
2679 warn "begin emergency database checkpoint\n";
2680 BDB::db_env_txn_checkpoint $DB_ENV;
2681 warn "end emergency database checkpoint\n";
2338 }; 2682 };
2339 2683
2340 warn "leave emergency perl save\n"; 2684 warn "leave emergency perl save\n";
2341} 2685}
2342 2686
2687sub post_cleanup {
2688 my ($make_core) = @_;
2689
2690 warn Carp::longmess "post_cleanup backtrace"
2691 if $make_core;
2692}
2693
2343sub reload() { 2694sub do_reload_perl() {
2344 # can/must only be called in main 2695 # can/must only be called in main
2345 if ($Coro::current != $Coro::main) { 2696 if ($Coro::current != $Coro::main) {
2346 warn "can only reload from main coroutine"; 2697 warn "can only reload from main coroutine";
2347 return; 2698 return;
2348 } 2699 }
2349 2700
2350 warn "reloading..."; 2701 warn "reloading...";
2351 2702
2352 warn "cancelling server ticker"; 2703 warn "entering sync_job";
2353 $TICK_WATCHER->cancel;
2354 2704
2705 cf::sync_job {
2706 cf::write_runtime; # external watchdog should not bark
2355 cf::emergency_save; 2707 cf::emergency_save;
2708 cf::write_runtime; # external watchdog should not bark
2356 2709
2357 eval { 2710 warn "syncing database to disk";
2711 BDB::db_env_txn_checkpoint $DB_ENV;
2712
2358 # if anything goes wrong in here, we should simply crash as we already saved 2713 # if anything goes wrong in here, we should simply crash as we already saved
2359
2360 warn "syncing database to disk";
2361 cf::db_sync;
2362 2714
2363 warn "cancelling all WF_AUTOCANCEL watchers"; 2715 warn "cancelling all WF_AUTOCANCEL watchers";
2364 for (Event::all_watchers) { 2716 for (Event::all_watchers) {
2365 $_->cancel if $_->data & WF_AUTOCANCEL; 2717 $_->cancel if $_->data & WF_AUTOCANCEL;
2366 } 2718 }
2367 2719
2368 warn "flushing outstanding aio requests"; 2720 warn "flushing outstanding aio requests";
2369 for (;;) { 2721 for (;;) {
2722 BDB::flush;
2370 IO::AIO::flush; 2723 IO::AIO::flush;
2371 Coro::cede; 2724 Coro::cede;
2372 last unless IO::AIO::nreqs; 2725 last unless IO::AIO::nreqs || BDB::nreqs;
2373 warn "iterate..."; 2726 warn "iterate...";
2374 } 2727 }
2728
2729 ++$RELOAD;
2375 2730
2376 warn "cancelling all extension coros"; 2731 warn "cancelling all extension coros";
2377 $_->cancel for values %EXT_CORO; 2732 $_->cancel for values %EXT_CORO;
2378 %EXT_CORO = (); 2733 %EXT_CORO = ();
2379 2734
2419 Symbol::delete_package "safe::$_" 2774 Symbol::delete_package "safe::$_"
2420 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2775 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421 2776
2422 warn "unloading cf.pm \"a bit\""; 2777 warn "unloading cf.pm \"a bit\"";
2423 delete $INC{"cf.pm"}; 2778 delete $INC{"cf.pm"};
2779 delete $INC{"cf/pod.pm"};
2424 2780
2425 # don't, removes xs symbols, too, 2781 # don't, removes xs symbols, too,
2426 # and global variables created in xs 2782 # and global variables created in xs
2427 #Symbol::delete_package __PACKAGE__; 2783 #Symbol::delete_package __PACKAGE__;
2428 2784
2432 require cf; 2788 require cf;
2433 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2789 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434 2790
2435 warn "loading config and database again"; 2791 warn "loading config and database again";
2436 cf::cfg_load; 2792 cf::cfg_load;
2437 cf::db_load;
2438 2793
2439 warn "loading extensions"; 2794 warn "loading extensions";
2440 cf::load_extensions; 2795 cf::load_extensions;
2441 2796
2442 warn "reattaching attachments to objects/players"; 2797 warn "reattaching attachments to objects/players";
2443 _global_reattach; 2798 _global_reattach; # objects, sockets
2444 warn "reattaching attachments to maps"; 2799 warn "reattaching attachments to maps";
2445 reattach $_ for values %MAP; 2800 reattach $_ for values %MAP;
2801 warn "reattaching attachments to players";
2802 reattach $_ for values %PLAYER;
2446 2803
2447 warn "restarting server ticker"; 2804 warn "leaving sync_job";
2448 2805
2449 $TICK_WATCHER->start; 2806 1
2450 }; 2807 } or do {
2451
2452 if ($@) {
2453 warn $@; 2808 warn $@;
2454 warn "error while reloading, exiting."; 2809 warn "error while reloading, exiting.";
2455 exit 1; 2810 exit 1;
2456 } 2811 };
2457 2812
2458 warn "reloaded"; 2813 warn "reloaded";
2459}; 2814};
2460 2815
2461our $RELOAD_WATCHER; # used only during reload 2816our $RELOAD_WATCHER; # used only during reload
2462 2817
2818sub reload_perl() {
2819 # doing reload synchronously and two reloads happen back-to-back,
2820 # coro crashes during coro_state_free->destroy here.
2821
2822 $RELOAD_WATCHER ||= Event->timer (
2823 reentrant => 0,
2824 after => 0,
2825 data => WF_AUTOCANCEL,
2826 cb => sub {
2827 do_reload_perl;
2828 undef $RELOAD_WATCHER;
2829 },
2830 );
2831}
2832
2463register_command "reload" => sub { 2833register_command "reload" => sub {
2464 my ($who, $arg) = @_; 2834 my ($who, $arg) = @_;
2465 2835
2466 if ($who->flag (FLAG_WIZ)) { 2836 if ($who->flag (FLAG_WIZ)) {
2467 $who->message ("reloading server."); 2837 $who->message ("reloading server.");
2468 2838 async { reload_perl };
2469 # doing reload synchronously and two reloads happen back-to-back,
2470 # coro crashes during coro_state_free->destroy here.
2471
2472 $RELOAD_WATCHER ||= Event->timer (
2473 reentrant => 0,
2474 after => 0,
2475 data => WF_AUTOCANCEL,
2476 cb => sub {
2477 reload;
2478 undef $RELOAD_WATCHER;
2479 },
2480 );
2481 } 2839 }
2482}; 2840};
2483 2841
2484unshift @INC, $LIBDIR; 2842unshift @INC, $LIBDIR;
2485 2843
2486my $bug_warning = 0; 2844my $bug_warning = 0;
2487 2845
2846our @WAIT_FOR_TICK;
2847our @WAIT_FOR_TICK_BEGIN;
2848
2849sub wait_for_tick {
2850 return unless $TICK_WATCHER->is_active;
2851 return if $Coro::current == $Coro::main;
2852
2853 my $signal = new Coro::Signal;
2854 push @WAIT_FOR_TICK, $signal;
2855 $signal->wait;
2856}
2857
2858sub wait_for_tick_begin {
2859 return unless $TICK_WATCHER->is_active;
2860 return if $Coro::current == $Coro::main;
2861
2862 my $signal = new Coro::Signal;
2863 push @WAIT_FOR_TICK_BEGIN, $signal;
2864 $signal->wait;
2865}
2866
2867 my $min = 1e6;#d#
2868 my $avg = 10;
2488$TICK_WATCHER = Event->timer ( 2869$TICK_WATCHER = Event->timer (
2489 reentrant => 0, 2870 reentrant => 0,
2490 parked => 1, 2871 parked => 1,
2491 prio => 0, 2872 prio => 0,
2492 at => $NEXT_TICK || $TICK, 2873 at => $NEXT_TICK || $TICK,
2496 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 2877 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497 unless ++$bug_warning > 10; 2878 unless ++$bug_warning > 10;
2498 return; 2879 return;
2499 } 2880 }
2500 2881
2501 $NOW = Event::time; 2882 $NOW = $tick_start = Event::time;
2502 2883
2503 cf::server_tick; # one server iteration 2884 cf::server_tick; # one server iteration
2885
2886 0 && sync_job {#d#
2887 for(1..10) {
2888 my $t = Event::time;
2889 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2890 or die;
2891
2892 $map->width (50);
2893 $map->height (50);
2894 $map->alloc;
2895 $map->_load_objects ("/tmp/x.map", 1);
2896 my $t = Event::time - $t;
2897
2898 #next unless $t < 0.0013;#d#
2899 if ($t < $min) {
2900 $min = $t;
2901 }
2902 $avg = $avg * 0.99 + $t * 0.01;
2903 }
2904 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905 exit 0;
2906 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907 };
2908
2504 $RUNTIME += $TICK; 2909 $RUNTIME += $TICK;
2505 $NEXT_TICK += $TICK; 2910 $NEXT_TICK += $TICK;
2506 2911
2507 $WAIT_FOR_TICK->broadcast; 2912 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2913 $NEXT_RUNTIME_WRITE = $NOW + 10;
2509 2914 Coro::async_pool {
2510 Event::sweep; 2915 write_runtime
2511 Coro::cede_notself; 2916 or warn "ERROR: unable to write runtime file: $!";
2917 };
2512 2918 }
2919
2513# my $AFTER = Event::time; 2920# my $AFTER = Event::time;
2514# warn $AFTER - $NOW;#d# 2921# warn $AFTER - $NOW;#d#
2515 2922
2923 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924 $sig->send;
2925 }
2926 while (my $sig = shift @WAIT_FOR_TICK) {
2927 $sig->send;
2928 }
2929
2930 $NOW = Event::time;
2931
2516 # if we are delayed by four ticks or more, skip them all 2932 # if we are delayed by four ticks or more, skip them all
2517 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2933 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2518 2934
2519 $TICK_WATCHER->at ($NEXT_TICK); 2935 $TICK_WATCHER->at ($NEXT_TICK);
2520 $TICK_WATCHER->start; 2936 $TICK_WATCHER->start;
2937
2938 $LOAD = ($NOW - $tick_start) / $TICK;
2939 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940
2941 _post_tick;
2942
2943
2521 }, 2944 },
2522); 2945);
2523 2946
2947{
2948 BDB::max_poll_time $TICK * 0.1;
2949 $BDB_POLL_WATCHER = Event->io (
2950 reentrant => 0,
2951 fd => BDB::poll_fileno,
2952 poll => 'r',
2953 prio => 0,
2954 data => WF_AUTOCANCEL,
2955 cb => \&BDB::poll_cb,
2956 );
2957 BDB::min_parallel 8;
2958
2959 BDB::set_sync_prepare {
2960 my $status;
2961 my $current = $Coro::current;
2962 (
2963 sub {
2964 $status = $!;
2965 $current->ready; undef $current;
2966 },
2967 sub {
2968 Coro::schedule while defined $current;
2969 $! = $status;
2970 },
2971 )
2972 };
2973
2974 unless ($DB_ENV) {
2975 $DB_ENV = BDB::db_env_create;
2976
2977 cf::sync_job {
2978 eval {
2979 BDB::db_env_open
2980 $DB_ENV,
2981 $BDBDIR,
2982 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984 0666;
2985
2986 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989 $DB_ENV->set_lk_detect;
2990 };
2991
2992 cf::cleanup "db_env_open(db): $@" if $@;
2993 };
2994 }
2995}
2996
2997{
2998 IO::AIO::min_parallel 8;
2999
3000 undef $Coro::AIO::WATCHER;
2524IO::AIO::max_poll_time $TICK * 0.1; 3001 IO::AIO::max_poll_time $TICK * 0.1;
2525
2526undef $Coro::AIO::WATCHER;
2527$AIO_POLL_WATCHER = Event->io ( 3002 $AIO_POLL_WATCHER = Event->io (
2528 reentrant => 0, 3003 reentrant => 0,
3004 data => WF_AUTOCANCEL,
2529 fd => IO::AIO::poll_fileno, 3005 fd => IO::AIO::poll_fileno,
2530 poll => 'r', 3006 poll => 'r',
2531 prio => 6, 3007 prio => 6,
2532 data => WF_AUTOCANCEL,
2533 cb => \&IO::AIO::poll_cb, 3008 cb => \&IO::AIO::poll_cb,
2534); 3009 );
3010}
2535 3011
2536$WRITE_RUNTIME_WATCHER = Event->timer ( 3012my $_log_backtrace;
2537 reentrant => 0, 3013
2538 data => WF_AUTOCANCEL, 3014sub _log_backtrace {
2539 after => 1, 3015 my ($msg, @addr) = @_;
2540 interval => 10, 3016
2541 prio => 6, # keep it lowest so it acts like a watchdog 3017 $msg =~ s/\n//;
2542 cb => Coro::unblock_sub { 3018
2543 write_runtime 3019 # limit the # of concurrent backtraces
2544 or warn "ERROR: unable to write runtime file: $!"; 3020 if ($_log_backtrace < 2) {
3021 ++$_log_backtrace;
3022 async {
3023 my @bt = fork_call {
3024 @addr = map { sprintf "%x", $_ } @addr;
3025 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027 or die "addr2line: $!";
3028
3029 my @funcs;
3030 my @res = <$fh>;
3031 chomp for @res;
3032 while (@res) {
3033 my ($func, $line) = splice @res, 0, 2, ();
3034 push @funcs, "[$func] $line";
3035 }
3036
3037 @funcs
3038 };
3039
3040 LOG llevInfo, "[ABT] $msg\n";
3041 LOG llevInfo, "[ABT] $_\n" for @bt;
3042 --$_log_backtrace;
3043 };
3044 } else {
3045 LOG llevInfo, "[ABT] $msg\n";
3046 LOG llevInfo, "[ABT] [suppressed]\n";
2545 }, 3047 }
2546); 3048}
3049
3050# load additional modules
3051use cf::pod;
2547 3052
2548END { cf::emergency_save } 3053END { cf::emergency_save }
2549 3054
25501 30551
2551 3056

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines