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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.171 by root, Sun Jan 14 12:24:48 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 3.3 (); 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;
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
408 my $value = $cf::RUNTIME + 90 + 10;
354 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
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0 412 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return; 413 and return;
357 414
415 # always fsync - this file is important
358 aio_fsync $fh 416 aio_fsync $fh
359 and return; 417 and return;
360 418
419 # touch it again to show we are up-to-date
420 aio_utime $fh, undef, undef;
421
361 close $fh 422 close $fh
362 or return; 423 or return;
363 424
364 aio_rename "$runtime~", $runtime 425 aio_rename "$runtime~", $runtime
365 and return; 426 and return;
366 427
428 warn "runtime file written.\n";
429
367 1 430 1
431}
432
433=item cf::datalog type => key => value, ...
434
435Log a datalog packet of the given type with the given key-value pairs.
436
437=cut
438
439sub datalog($@) {
440 my ($type, %kv) = @_;
441 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368} 442}
369 443
370=back 444=back
371 445
372=cut 446=cut
552 $registry = $CB_TYPE[$object_type] ||= []; 626 $registry = $CB_TYPE[$object_type] ||= [];
553 627
554 } elsif ($type eq "subtype") { 628 } elsif ($type eq "subtype") {
555 defined $object_type or Carp::croak "subtype specified without type"; 629 defined $object_type or Carp::croak "subtype specified without type";
556 my $object_subtype = shift @arg; 630 my $object_subtype = shift @arg;
557 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 631 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558 632
559 } elsif ($type eq "package") { 633 } elsif ($type eq "package") {
560 my $pkg = shift @arg; 634 my $pkg = shift @arg;
561 635
562 while (my ($name, $id) = each %cb_id) { 636 while (my ($name, $id) = each %cb_id) {
603 if (ref $_[0]) { 677 if (ref $_[0]) {
604 _object_attach @_; 678 _object_attach @_;
605 } else { 679 } else {
606 _attach shift->_attach_registry, @_; 680 _attach shift->_attach_registry, @_;
607 } 681 }
682 _recalc_want;
608}; 683};
609 684
610# all those should be optimised 685# all those should be optimised
611sub cf::attachable::detach { 686sub cf::attachable::detach {
612 my ($obj, $name) = @_; 687 my ($obj, $name) = @_;
615 delete $obj->{_attachment}{$name}; 690 delete $obj->{_attachment}{$name};
616 reattach ($obj); 691 reattach ($obj);
617 } else { 692 } else {
618 Carp::croak "cannot, currently, detach class attachments"; 693 Carp::croak "cannot, currently, detach class attachments";
619 } 694 }
695 _recalc_want;
620}; 696};
621 697
622sub cf::attachable::attached { 698sub cf::attachable::attached {
623 my ($obj, $name) = @_; 699 my ($obj, $name) = @_;
624 700
747 $filename, length $$rdata, scalar @$objs; 823 $filename, length $$rdata, scalar @$objs;
748 824
749 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750 chmod SAVE_MODE, $fh; 826 chmod SAVE_MODE, $fh;
751 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 827 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752 aio_fsync $fh; 828 aio_fsync $fh if $cf::USE_FSYNC;
753 close $fh; 829 close $fh;
754 830
755 if (@$objs) { 831 if (@$objs) {
756 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) {
757 chmod SAVE_MODE, $fh; 833 chmod SAVE_MODE, $fh;
758 my $data = Storable::nfreeze { version => 1, objs => $objs }; 834 my $data = Storable::nfreeze { version => 1, objs => $objs };
759 aio_write $fh, 0, (length $data), $data, 0; 835 aio_write $fh, 0, (length $data), $data, 0;
760 aio_fsync $fh; 836 aio_fsync $fh if $cf::USE_FSYNC;
761 close $fh; 837 close $fh;
762 aio_rename "$filename.pst~", "$filename.pst"; 838 aio_rename "$filename.pst~", "$filename.pst";
763 } 839 }
764 } else { 840 } else {
765 aio_unlink "$filename.pst"; 841 aio_unlink "$filename.pst";
797 or return; 873 or return;
798 $av = eval { (Storable::thaw $av)->{objs} }; 874 $av = eval { (Storable::thaw $av)->{objs} };
799 } 875 }
800 876
801 warn sprintf "loading %s (%d)\n", 877 warn sprintf "loading %s (%d)\n",
802 $filename, length $data, scalar @{$av || []};#d# 878 $filename, length $data, scalar @{$av || []};
803 return ($data, $av); 879 return ($data, $av);
804} 880}
805 881
806############################################################################# 882#############################################################################
807# command handling &c 883# command handling &c
934Returns the given player object, loading it if necessary (might block). 1010Returns the given player object, loading it if necessary (might block).
935 1011
936=cut 1012=cut
937 1013
938sub playerdir($) { 1014sub playerdir($) {
939 cf::localdir 1015 "$PLAYERDIR/"
940 . "/"
941 . cf::playerdir
942 . "/"
943 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1016 . (ref $_[0] ? $_[0]->ob->name : $_[0])
944} 1017}
945 1018
946sub path($) { 1019sub path($) {
947 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1020 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948 1021
949 (playerdir $login) . "/$login.pl" 1022 (playerdir $login) . "/playerdata"
950} 1023}
951 1024
952sub find_active($) { 1025sub find_active($) {
953 $cf::PLAYER{$_[0]} 1026 $cf::PLAYER{$_[0]}
954 and $cf::PLAYER{$_[0]}->active 1027 and $cf::PLAYER{$_[0]}->active
957 1030
958sub exists($) { 1031sub exists($) {
959 my ($login) = @_; 1032 my ($login) = @_;
960 1033
961 $cf::PLAYER{$login} 1034 $cf::PLAYER{$login}
962 or cf::sync_job { !aio_stat $login } 1035 or cf::sync_job { !aio_stat path $login }
963} 1036}
964 1037
965sub find($) { 1038sub find($) {
966 return $cf::PLAYER{$_[0]} || do { 1039 return $cf::PLAYER{$_[0]} || do {
967 my $login = $_[0]; 1040 my $login = $_[0];
968 1041
969 my $guard = cf::lock_acquire "user_find:$login"; 1042 my $guard = cf::lock_acquire "user_find:$login";
970 1043
971 $cf::PLAYER{$_[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
972 my $pl = load_pl path $login 1052 my $pl = load_pl path $login
973 or return; 1053 or return;
974 $cf::PLAYER{$login} = $pl 1054 $cf::PLAYER{$login} = $pl
975 } 1055 }
976 } 1056 }
1013 1093
1014=cut 1094=cut
1015 1095
1016sub quit_character { 1096sub quit_character {
1017 my ($pl) = @_; 1097 my ($pl) = @_;
1098
1099 my $name = $pl->ob->name;
1018 1100
1019 $pl->{deny_save} = 1; 1101 $pl->{deny_save} = 1;
1020 $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
1021 1103
1022 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1027 my $path = playerdir $pl; 1109 my $path = playerdir $pl;
1028 my $temp = "$path~$cf::RUNTIME~deleting~"; 1110 my $temp = "$path~$cf::RUNTIME~deleting~";
1029 aio_rename $path, $temp; 1111 aio_rename $path, $temp;
1030 delete $cf::PLAYER{$pl->ob->name}; 1112 delete $cf::PLAYER{$pl->ob->name};
1031 $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
1032 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;
1033} 1135}
1034 1136
1035=item cf::player::list_logins 1137=item cf::player::list_logins
1036 1138
1037Returns 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
1038while and may block, so not sync_job-capable, ever. 1140while and may block, so not sync_job-capable, ever.
1039 1141
1040=cut 1142=cut
1041 1143
1042sub list_logins { 1144sub list_logins {
1043 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1145 my $dirs = aio_readdir $PLAYERDIR
1044 or return []; 1146 or return [];
1045 1147
1046 my @logins; 1148 my @logins;
1047 1149
1048 for my $login (@$dirs) { 1150 for my $login (@$dirs) {
1065=cut 1167=cut
1066 1168
1067sub maps($) { 1169sub maps($) {
1068 my ($pl) = @_; 1170 my ($pl) = @_;
1069 1171
1172 $pl = ref $pl ? $pl->ob->name : $pl;
1173
1070 my $files = aio_readdir playerdir $pl 1174 my $files = aio_readdir playerdir $pl
1071 or return; 1175 or return;
1072 1176
1073 my @paths; 1177 my @paths;
1074 1178
1075 for (@$files) { 1179 for (@$files) {
1076 utf8::decode $_; 1180 utf8::decode $_;
1077 next if /\.(?:pl|pst)$/; 1181 next if /\.(?:pl|pst)$/;
1078 next unless /^$PATH_SEP/o; 1182 next unless /^$PATH_SEP/o;
1079 1183
1080 s/\.map$//; 1184 push @paths, cf::map::normalise "~$pl/$_";
1081 push @paths, "~" . $pl->ob->name . "/" . $_;
1082 } 1185 }
1083 1186
1084 \@paths 1187 \@paths
1085} 1188}
1086 1189
1087=item $player->ext_reply ($msgid, $msgtype, %msg) 1190=item $player->ext_reply ($msgid, %msg)
1088 1191
1089Sends an ext reply to the player. 1192Sends an ext reply to the player.
1090 1193
1091=cut 1194=cut
1092 1195
1093sub ext_reply($$$%) { 1196sub ext_reply($$%) {
1094 my ($self, $id, %msg) = @_; 1197 my ($self, $id, %msg) = @_;
1095 1198
1096 $msg{msgid} = $id; 1199 $msg{msgid} = $id;
1097 1200
1098 $self->send ("ext " . cf::to_json \%msg); 1201 $self->send ("ext " . cf::to_json \%msg);
1099} 1202}
1100 1203
1101package 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}
1102 1244
1103=back 1245=back
1104
1105 1246
1106=head3 cf::map 1247=head3 cf::map
1107 1248
1108=over 4 1249=over 4
1109 1250
1113 1254
1114use Fcntl; 1255use Fcntl;
1115use Coro::AIO; 1256use Coro::AIO;
1116 1257
1117use overload 1258use overload
1118 '""' => \&as_string; 1259 '""' => \&as_string,
1260 fallback => 1;
1119 1261
1120our $MAX_RESET = 3600; 1262our $MAX_RESET = 3600;
1121our $DEFAULT_RESET = 3000; 1263our $DEFAULT_RESET = 3000;
1122 1264
1123sub generate_random_map { 1265sub generate_random_map {
1124 my ($self, $rmp) = @_; 1266 my ($self, $rmp) = @_;
1125
1126 # mit "rum" bekleckern, nicht 1267 # mit "rum" bekleckern, nicht
1127 $self->_create_random_map ( 1268 $self->_create_random_map (
1128 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1137 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1278 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138 (cf::region::find $rmp->{region}), $rmp->{custom} 1279 (cf::region::find $rmp->{region}), $rmp->{custom}
1139 ) 1280 )
1140} 1281}
1141 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
1142sub register { 1291sub register {
1143 my (undef, $regex) = @_; 1292 my (undef, $regex, $prio) = @_;
1144 my $pkg = caller; 1293 my $pkg = caller;
1145 1294
1146 no strict; 1295 no strict;
1147 push @{"$pkg\::ISA"}, __PACKAGE__; 1296 push @{"$pkg\::ISA"}, __PACKAGE__;
1148 1297
1149 $EXT_MAP{$pkg} = qr<$regex>; 1298 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150} 1299}
1151 1300
1152# also paths starting with '/' 1301# also paths starting with '/'
1153$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1302$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154 1303
1155sub thawer_merge { 1304sub thawer_merge {
1305 my ($self, $merge) = @_;
1306
1156 # we have to keep some variables in memory intact 1307 # we have to keep some variables in memory intact
1157 local $_[0]{path}; 1308 local $self->{path};
1158 local $_[0]{deny_save}; 1309 local $self->{load_path};
1159 local $_[0]{deny_reset};
1160 1310
1161 $_[0]->SUPER::thawer_merge ($_[1]); 1311 $self->SUPER::thawer_merge ($merge);
1162} 1312}
1163 1313
1164sub normalise { 1314sub normalise {
1165 my ($path, $base) = @_; 1315 my ($path, $base) = @_;
1316
1317 $path = "$path"; # make sure its a string
1318
1319 $path =~ s/\.map$//;
1166 1320
1167 # map plan: 1321 # map plan:
1168 # 1322 #
1169 # /! non-realised random map exit (special hack!) 1323 # /! non-realised random map exit (special hack!)
1170 # {... are special paths that are not being touched 1324 # {... are special paths that are not being touched
1198 1352
1199 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1353 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1200 1354
1201 $path = normalise $path, $base; 1355 $path = normalise $path, $base;
1202 1356
1203 for my $pkg (keys %EXT_MAP) { 1357 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1204 if ($path =~ $EXT_MAP{$pkg}) { 1358 if ($path =~ $EXT_MAP{$pkg}[1]) {
1205 my $self = bless cf::map::new, $pkg; 1359 my $self = bless cf::map::new, $pkg;
1206 $self->{path} = $path; $self->path ($path); 1360 $self->{path} = $path; $self->path ($path);
1207 $self->init; # pass $1 etc. 1361 $self->init; # pass $1 etc.
1208 return $self; 1362 return $self;
1209 } 1363 }
1210 } 1364 }
1211 1365
1212 Carp::carp "unable to resolve path '$path'."; 1366 Carp::carp "unable to resolve path '$path' (base '$base').";
1213 () 1367 ()
1214} 1368}
1215 1369
1216sub init { 1370sub init {
1217 my ($self) = @_; 1371 my ($self) = @_;
1232 1386
1233# the original (read-only) location 1387# the original (read-only) location
1234sub load_path { 1388sub load_path {
1235 my ($self) = @_; 1389 my ($self) = @_;
1236 1390
1237 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1391 "$MAPDIR/$self->{path}.map"
1238} 1392}
1239 1393
1240# the temporary/swap location 1394# the temporary/swap location
1241sub save_path { 1395sub save_path {
1242 my ($self) = @_; 1396 my ($self) = @_;
1243 1397
1244 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1398 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1245 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1399 "$TMPDIR/$path.map"
1246} 1400}
1247 1401
1248# the unique path, undef == no special unique path 1402# the unique path, undef == no special unique path
1249sub uniq_path { 1403sub uniq_path {
1250 my ($self) = @_; 1404 my ($self) = @_;
1251 1405
1252 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1406 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1253 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1407 "$UNIQUEDIR/$path"
1254} 1408}
1255 1409
1256# and all this just because we cannot iterate over 1410# and all this just because we cannot iterate over
1257# all maps in C++... 1411# all maps in C++...
1258sub change_all_map_light { 1412sub change_all_map_light {
1260 1414
1261 $_->change_map_light ($change) 1415 $_->change_map_light ($change)
1262 for grep $_->outdoor, values %cf::MAP; 1416 for grep $_->outdoor, values %cf::MAP;
1263} 1417}
1264 1418
1419sub decay_objects {
1420 my ($self) = @_;
1421
1422 return if $self->{deny_reset};
1423
1424 $self->do_decay_objects;
1425}
1426
1265sub unlink_save { 1427sub unlink_save {
1266 my ($self) = @_; 1428 my ($self) = @_;
1267 1429
1268 utf8::encode (my $save = $self->save_path); 1430 utf8::encode (my $save = $self->save_path);
1269 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1431 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1272 1434
1273sub load_header_from($) { 1435sub load_header_from($) {
1274 my ($self, $path) = @_; 1436 my ($self, $path) = @_;
1275 1437
1276 utf8::encode $path; 1438 utf8::encode $path;
1277 aio_open $path, O_RDONLY, 0 1439 #aio_open $path, O_RDONLY, 0
1278 or return; 1440 # or return;
1279 1441
1280 $self->_load_header ($path) 1442 $self->_load_header ($path)
1281 or return; 1443 or return;
1282 1444
1283 $self->{load_path} = $path; 1445 $self->{load_path} = $path;
1284 1446
1285 1 1447 1
1286} 1448}
1287 1449
1288sub load_orig { 1450sub load_header_orig {
1289 my ($self) = @_; 1451 my ($self) = @_;
1290 1452
1291 $self->load_header_from ($self->load_path) 1453 $self->load_header_from ($self->load_path)
1292} 1454}
1293 1455
1294sub load_temp { 1456sub load_header_temp {
1295 my ($self) = @_; 1457 my ($self) = @_;
1296 1458
1297 $self->load_header_from ($self->save_path) 1459 $self->load_header_from ($self->save_path)
1460}
1461
1462sub prepare_temp {
1463 my ($self) = @_;
1464
1465 $self->last_access ((delete $self->{last_access})
1466 || $cf::RUNTIME); #d#
1467 # safety
1468 $self->{instantiate_time} = $cf::RUNTIME
1469 if $self->{instantiate_time} > $cf::RUNTIME;
1470}
1471
1472sub prepare_orig {
1473 my ($self) = @_;
1474
1475 $self->{load_original} = 1;
1476 $self->{instantiate_time} = $cf::RUNTIME;
1477 $self->last_access ($cf::RUNTIME);
1478 $self->instantiate;
1298} 1479}
1299 1480
1300sub load_header { 1481sub load_header {
1301 my ($self) = @_; 1482 my ($self) = @_;
1302 1483
1303 if ($self->load_temp) { 1484 if ($self->load_header_temp) {
1304 $self->last_access ((delete $self->{last_access}) 1485 $self->prepare_temp;
1305 || $cf::RUNTIME); #d#
1306 # safety
1307 $self->{instantiate_time} = $cf::RUNTIME
1308 if $self->{instantiate_time} > $cf::RUNTIME;
1309 } else { 1486 } else {
1310 $self->load_orig 1487 $self->load_header_orig
1311 or return; 1488 or return;
1312 1489 $self->prepare_orig;
1313 $self->{load_original} = 1;
1314 $self->{instantiate_time} = $cf::RUNTIME;
1315 $self->last_access ($cf::RUNTIME);
1316 $self->instantiate;
1317 } 1490 }
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;
1318 1497
1319 1 1498 1
1320} 1499}
1321 1500
1322sub find; 1501sub find;
1335 $map->{last_save} = $cf::RUNTIME; 1514 $map->{last_save} = $cf::RUNTIME;
1336 1515
1337 $map->load_header 1516 $map->load_header
1338 or return; 1517 or return;
1339 1518
1340 if ($map->should_reset) { 1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520 # doing this can freeze the server in a sync job, obviously
1341 $cf::WAIT_FOR_TICK->wait; 1521 #$cf::WAIT_FOR_TICK->wait;
1342 $map->reset; 1522 $map->reset;
1343 undef $guard; 1523 undef $guard;
1344 $map = find $path 1524 return find $path;
1345 or return;
1346 } 1525 }
1347 1526
1348 $cf::MAP{$path} = $map 1527 $cf::MAP{$path} = $map
1349 } 1528 }
1350} 1529}
1530
1531sub pre_load { }
1532sub post_load { }
1351 1533
1352sub load { 1534sub load {
1353 my ($self) = @_; 1535 my ($self) = @_;
1354 1536
1537 local $self->{deny_reset} = 1; # loading can take a long time
1538
1355 my $path = $self->{path}; 1539 my $path = $self->{path};
1540
1541 {
1356 my $guard = cf::lock_acquire "map_load:$path"; 1542 my $guard = cf::lock_acquire "map_load:$path";
1357 1543
1358 return if $self->in_memory != cf::MAP_SWAPPED; 1544 return if $self->in_memory != cf::MAP_SWAPPED;
1359 1545
1360 $self->in_memory (cf::MAP_LOADING); 1546 $self->in_memory (cf::MAP_LOADING);
1361 1547
1362 $self->alloc; 1548 $self->alloc;
1363 $self->_load_objects ($self->{load_path}, 1)
1364 or return;
1365 1549
1366 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1550 $self->pre_load;
1367 if delete $self->{load_original};
1368
1369 if (my $uniq = $self->uniq_path) {
1370 utf8::encode $uniq;
1371 if (aio_open $uniq, O_RDONLY, 0) {
1372 $self->clear_unique_items;
1373 $self->_load_objects ($uniq, 0);
1374 }
1375 }
1376
1377 Coro::cede;
1378
1379 # now do the right thing for maps
1380 $self->link_multipart_objects;
1381
1382 unless ($self->{deny_activate}) {
1383 $self->decay_objects;
1384 $self->fix_auto_apply;
1385 $self->update_buttons;
1386 Coro::cede; 1551 Coro::cede;
1387 $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;
1388 $self->difficulty ($self->estimate_difficulty) 1570 $self->difficulty ($self->estimate_difficulty)
1389 unless $self->difficulty; 1571 unless $self->difficulty;
1390 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;
1391 $self->activate; 1581 $self->activate;
1392 } 1582 }
1393 1583
1394 $self->in_memory (cf::MAP_IN_MEMORY); 1584 $self->in_memory (cf::MAP_IN_MEMORY);
1585 }
1586
1587 $self->post_load;
1395} 1588}
1396 1589
1397sub customise_for { 1590sub customise_for {
1398 my ($self, $ob) = @_; 1591 my ($self, $ob) = @_;
1399 1592
1400 return find "~" . $ob->name . "/" . $self->{path} 1593 return find "~" . $ob->name . "/" . $self->{path}
1401 if $self->per_player; 1594 if $self->per_player;
1595
1596# return find "?party/" . $ob->name . "/" . $self->{path}
1597# if $self->per_party;
1402 1598
1403 $self 1599 $self
1404} 1600}
1405 1601
1406# 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
1438 1634
1439 cf::sync_job { $map->load }; 1635 cf::sync_job { $map->load };
1440} 1636}
1441 1637
1442our %MAP_PREFETCH; 1638our %MAP_PREFETCH;
1443our $MAP_PREFETCHER = Coro::async { 1639our $MAP_PREFETCHER = undef;
1444 while () {
1445 for my $path (keys %MAP_PREFETCH) {
1446 my $map = find $path
1447 or next;
1448 $map->load;
1449
1450 delete $MAP_PREFETCH{$path};
1451 }
1452 Coro::schedule;
1453 }
1454};
1455 1640
1456sub find_async { 1641sub find_async {
1457 my ($path, $origin) = @_; 1642 my ($path, $origin) = @_;
1458 1643
1459 $path = normalise $path, $origin && $origin->{path}; 1644 $path = normalise $path, $origin && $origin->{path};
1460 1645
1461 if (my $map = $cf::MAP{$path}) { 1646 if (my $map = $cf::MAP{$path}) {
1462 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1647 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1463 } 1648 }
1464 1649
1465 $MAP_PREFETCH{$path} = 0; 1650 undef $MAP_PREFETCH{$path};
1651 $MAP_PREFETCHER ||= cf::async {
1652 while (%MAP_PREFETCH) {
1653 for my $path (keys %MAP_PREFETCH) {
1654 my $map = find $path
1655 or next;
1656 $map->load;
1657
1658 delete $MAP_PREFETCH{$path};
1659 }
1660 }
1661 undef $MAP_PREFETCHER;
1662 };
1466 $MAP_PREFETCHER->ready; 1663 $MAP_PREFETCHER->prio (6);
1467 1664
1468 () 1665 ()
1469} 1666}
1470 1667
1471sub save { 1668sub save {
1516 1713
1517sub reset_at { 1714sub reset_at {
1518 my ($self) = @_; 1715 my ($self) = @_;
1519 1716
1520 # TODO: safety, remove and allow resettable per-player maps 1717 # TODO: safety, remove and allow resettable per-player maps
1521 return 1e99 if $self->isa ("ext::map_per_player");#d#
1522 return 1e99 if $self->{deny_reset}; 1718 return 1e99 if $self->{deny_reset};
1523 1719
1524 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1720 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1525 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;
1526 1722
1531 my ($self) = @_; 1727 my ($self) = @_;
1532 1728
1533 $self->reset_at <= $cf::RUNTIME 1729 $self->reset_at <= $cf::RUNTIME
1534} 1730}
1535 1731
1536sub rename {
1537 my ($self, $new_path) = @_;
1538
1539 normalise $new_path;
1540
1541 $self->unlink_save;
1542
1543 delete $cf::MAP{$self->path};
1544 $self->{path} = $new_path; $self->path ($self->{path});
1545 $cf::MAP{$self->path} = $self;
1546
1547 $self->save;
1548}
1549
1550sub reset { 1732sub reset {
1551 my ($self) = @_; 1733 my ($self) = @_;
1552 1734
1553 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1735 my $lock = cf::lock_acquire "map_data:$self->{path}";
1554 1736
1555 return if $self->players; 1737 return if $self->players;
1556 return if $self->isa ("ext::map_per_player");#d#
1557 1738
1558 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 }
1559 1750
1560 delete $cf::MAP{$self->path}; 1751 delete $cf::MAP{$self->path};
1561 1752
1562 $self->in_memory (cf::MAP_SWAPPED);
1563 $self->clear; 1753 $self->clear;
1564 1754
1565 $_->clear_links_to ($self) for values %cf::MAP; 1755 $_->clear_links_to ($self) for values %cf::MAP;
1566 1756
1567 $self->unlink_save; 1757 $self->unlink_save;
1571my $nuke_counter = "aaaa"; 1761my $nuke_counter = "aaaa";
1572 1762
1573sub nuke { 1763sub nuke {
1574 my ($self) = @_; 1764 my ($self) = @_;
1575 1765
1766 delete $cf::MAP{$self->path};
1767
1768 $self->unlink_save;
1769
1770 bless $self, "cf::map";
1771 delete $self->{deny_reset};
1576 $self->{deny_save} = 1; 1772 $self->{deny_save} = 1;
1577 $self->reset_timeout (1); 1773 $self->reset_timeout (1);
1578 $self->rename ("{nuke}/" . ($nuke_counter++)); 1774 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775
1776 $cf::MAP{$self->path} = $self;
1777
1579 $self->reset; # polite request, might not happen 1778 $self->reset; # polite request, might not happen
1779}
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 ]
1580} 1797}
1581 1798
1582=item cf::map::unique_maps 1799=item cf::map::unique_maps
1583 1800
1584Returns an arrayref of paths of all shared maps that have 1801Returns an arrayref of paths of all shared maps that have
1585instantiated unique items. May block. 1802instantiated unique items. May block.
1586 1803
1587=cut 1804=cut
1588 1805
1589sub unique_maps() { 1806sub unique_maps() {
1590 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1807 [
1591 or return; 1808 map {
1592
1593 my @paths;
1594
1595 for (@$files) {
1596 utf8::decode $_; 1809 utf8::decode $_;
1597 next if /\.pst$/; 1810 !/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1598 next unless /^$PATH_SEP/o; 1811 ? normalise $_
1599 1812 : ()
1600 s/\.map$//; 1813 } @{ aio_readdir $UNIQUEDIR or [] }
1601 push @paths, $_;
1602 } 1814 ]
1603
1604 \@paths
1605} 1815}
1606 1816
1607package cf; 1817package cf;
1608 1818
1609=back 1819=back
1700=cut 1910=cut
1701 1911
1702sub link_map { 1912sub link_map {
1703 unless ($LINK_MAP) { 1913 unless ($LINK_MAP) {
1704 $LINK_MAP = cf::map::find "{link}" 1914 $LINK_MAP = cf::map::find "{link}"
1705 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 1915 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1706 $LINK_MAP->load; 1916 $LINK_MAP->load;
1707 } 1917 }
1708 1918
1709 $LINK_MAP 1919 $LINK_MAP
1710} 1920}
1715 $self->deactivate_recursive; 1925 $self->deactivate_recursive;
1716 1926
1717 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1927 return if UNIVERSAL::isa $self->map, "ext::map_link";
1718 1928
1719 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1929 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1720 if $self->map; 1930 if $self->map && $self->map->{path} ne "{link}";
1721 1931
1722 $self->enter_map ($LINK_MAP || link_map, 20, 20); 1932 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1723} 1933}
1724 1934
1725sub cf::object::player::leave_link { 1935sub cf::object::player::leave_link {
1726 my ($self, $map, $x, $y) = @_; 1936 my ($self, $map, $x, $y) = @_;
1937
1938 return unless $self->contr->active;
1727 1939
1728 my $link_pos = delete $self->{_link_pos}; 1940 my $link_pos = delete $self->{_link_pos};
1729 1941
1730 unless ($map) { 1942 unless ($map) {
1731 # restore original map position 1943 # restore original map position
1749 $map->load; 1961 $map->load;
1750 $map->load_diag; 1962 $map->load_diag;
1751 1963
1752 return unless $self->contr->active; 1964 return unless $self->contr->active;
1753 $self->activate_recursive; 1965 $self->activate_recursive;
1966
1967 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1754 $self->enter_map ($map, $x, $y); 1968 $self->enter_map ($map, $x, $y);
1755} 1969}
1756 1970
1757cf::player->attach (
1758 on_logout => sub {
1759 my ($pl) = @_;
1760
1761 # abort map switching before logout
1762 if ($pl->ob->{_link_pos}) {
1763 cf::sync_job {
1764 $pl->ob->leave_link
1765 };
1766 }
1767 },
1768 on_login => sub {
1769 my ($pl) = @_;
1770
1771 # try to abort aborted map switching on player login :)
1772 # should happen only on crashes
1773 if ($pl->ob->{_link_pos}) {
1774 $pl->ob->enter_link;
1775 (async {
1776 # we need this sleep as the login has a concurrent enter_exit running
1777 # and this sleep increases chances of the player not ending up in scorn
1778 $pl->ob->reply (undef,
1779 "There was an internal problem at your last logout, "
1780 . "the server will try to bring you to your intended destination in a second.",
1781 cf::NDI_RED);
1782 Coro::Timer::sleep 1;
1783 $pl->ob->leave_link;
1784 })->prio (2);
1785 }
1786 },
1787);
1788
1789=item $player_object->goto ($path, $x, $y) 1971=item $player_object->goto ($path, $x, $y[, $check->($map)])
1790 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
1791=cut 1978=cut
1979
1980our $GOTOGEN;
1792 1981
1793sub cf::object::player::goto { 1982sub cf::object::player::goto {
1794 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;
1795 1987
1796 $self->enter_link; 1988 $self->enter_link;
1797 1989
1798 (async { 1990 (async {
1991 my $map = eval {
1799 my $map = cf::map::find $path; 1992 my $map = cf::map::find $path;
1993
1994 if ($map) {
1800 $map = $map->customise_for ($self) if $map; 1995 $map = $map->customise_for ($self);
1801 1996 $map = $check->($map) if $check && $map;
1802# warn "entering ", $map->path, " at ($x, $y)\n" 1997 } else {
1803# if $map;
1804
1805 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1998 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1999 }
1806 2000
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 $@;
2007 }
2008
2009 if ($gen == $self->{_goto_generation}) {
2010 delete $self->{_goto_generation};
1807 $self->leave_link ($map, $x, $y); 2011 $self->leave_link ($map, $x, $y);
2012 }
1808 })->prio (1); 2013 })->prio (1);
1809} 2014}
1810 2015
1811=item $player_object->enter_exit ($exit_object) 2016=item $player_object->enter_exit ($exit_object)
1812 2017
1814 2019
1815sub parse_random_map_params { 2020sub parse_random_map_params {
1816 my ($spec) = @_; 2021 my ($spec) = @_;
1817 2022
1818 my $rmp = { # defaults 2023 my $rmp = { # defaults
1819 xsize => 10, 2024 xsize => (cf::rndm 15, 40),
1820 ysize => 10, 2025 ysize => (cf::rndm 15, 40),
2026 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2027 #layout => string,
1821 }; 2028 };
1822 2029
1823 for (split /\n/, $spec) { 2030 for (split /\n/, $spec) {
1824 my ($k, $v) = split /\s+/, $_, 2; 2031 my ($k, $v) = split /\s+/, $_, 2;
1825 2032
1829 $rmp 2036 $rmp
1830} 2037}
1831 2038
1832sub prepare_random_map { 2039sub prepare_random_map {
1833 my ($exit) = @_; 2040 my ($exit) = @_;
2041
2042 my $guard = cf::lock_acquire "exit_prepare:$exit";
1834 2043
1835 # all this does is basically replace the /! path by 2044 # all this does is basically replace the /! path by
1836 # a new random map path (?random/...) with a seed 2045 # a new random map path (?random/...) with a seed
1837 # that depends on the exit object 2046 # that depends on the exit object
1838 2047
1839 my $rmp = parse_random_map_params $exit->msg; 2048 my $rmp = parse_random_map_params $exit->msg;
1840 2049
1841 if ($exit->map) { 2050 if ($exit->map) {
1842 $rmp->{region} = $exit->map->region_name; 2051 $rmp->{region} = $exit->region->name;
1843 $rmp->{origin_map} = $exit->map->path; 2052 $rmp->{origin_map} = $exit->map->path;
1844 $rmp->{origin_x} = $exit->x; 2053 $rmp->{origin_x} = $exit->x;
1845 $rmp->{origin_y} = $exit->y; 2054 $rmp->{origin_y} = $exit->y;
1846 } 2055 }
1847 2056
1848 $rmp->{random_seed} ||= $exit->random_seed; 2057 $rmp->{random_seed} ||= $exit->random_seed;
1849 2058
1850 my $data = cf::to_json $rmp; 2059 my $data = cf::to_json $rmp;
1851 my $md5 = Digest::MD5::md5_hex $data; 2060 my $md5 = Digest::MD5::md5_hex $data;
2061 my $meta = "$RANDOMDIR/$md5.meta";
1852 2062
1853 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2063 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854 aio_write $fh, 0, (length $data), $data, 0; 2064 aio_write $fh, 0, (length $data), $data, 0;
2065 undef $fh;
2066 aio_rename "$meta~", $meta;
1855 2067
1856 $exit->slaying ("?random/$md5"); 2068 $exit->slaying ("?random/$md5");
1857 $exit->msg (undef); 2069 $exit->msg (undef);
1858 } 2070 }
1859} 2071}
1860 2072
1861sub cf::object::player::enter_exit { 2073sub cf::object::player::enter_exit {
1862 my ($self, $exit) = @_; 2074 my ($self, $exit) = @_;
1863 2075
1864 return unless $self->type == cf::PLAYER; 2076 return unless $self->type == cf::PLAYER;
2077
2078 if ($exit->slaying eq "/!") {
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
2082 cf::sync_job { prepare_random_map $exit };
2083 }
2084
2085 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2086 my $hp = $exit->stats->hp;
2087 my $sp = $exit->stats->sp;
1865 2088
1866 $self->enter_link; 2089 $self->enter_link;
1867 2090
1868 (async { 2091 (async {
1869 $self->deactivate_recursive; # just to be sure 2092 $self->deactivate_recursive; # just to be sure
1870 unless (eval { 2093 unless (eval {
1871 prepare_random_map $exit 2094 $self->goto ($slaying, $hp, $sp);
1872 if $exit->slaying eq "/!";
1873
1874 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1875 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1876 2095
1877 1; 2096 1;
1878 }) { 2097 }) {
1879 $self->message ("Something went wrong deep within the crossfire server. " 2098 $self->message ("Something went wrong deep within the crossfire server. "
1880 . "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. "
1881 . "Please report this to the dungeon master!", 2100 . "Please report this to the dungeon master!",
1882 cf::NDI_UNIQUE | cf::NDI_RED); 2101 cf::NDI_UNIQUE | cf::NDI_RED);
1883 2102
1884 warn "ERROR in enter_exit: $@"; 2103 warn "ERROR in enter_exit: $@";
1885 $self->leave_link; 2104 $self->leave_link;
1886 } 2105 }
1887 })->prio (1); 2106 })->prio (1);
1900 2119
1901sub cf::client::send_drawinfo { 2120sub cf::client::send_drawinfo {
1902 my ($self, $text, $flags) = @_; 2121 my ($self, $text, $flags) = @_;
1903 2122
1904 utf8::encode $text; 2123 utf8::encode $text;
1905 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2124 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1906} 2125}
1907 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}
1908 2139
1909=item $success = $client->query ($flags, "text", \&cb) 2140=item $success = $client->query ($flags, "text", \&cb)
1910 2141
1911Queues a query to the client, calling the given callback with 2142Queues a query to the client, calling the given callback with
1912the 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>,
1941 # get handled first 2172 # get handled first
1942 my $queue = delete $ns->{query_queue} 2173 my $queue = delete $ns->{query_queue}
1943 or return; # be conservative, not sure how that can happen, but we saw a crash here 2174 or return; # be conservative, not sure how that can happen, but we saw a crash here
1944 2175
1945 (shift @$queue)->[1]->($msg); 2176 (shift @$queue)->[1]->($msg);
2177 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1946 2178
1947 push @{ $ns->{query_queue} }, @$queue; 2179 push @{ $ns->{query_queue} }, @$queue;
1948 2180
1949 if (@{ $ns->{query_queue} } == @$queue) { 2181 if (@{ $ns->{query_queue} } == @$queue) {
1950 if (@$queue) { 2182 if (@$queue) {
2008 2240
2009# here we export the classes and methods available to script code 2241# here we export the classes and methods available to script code
2010 2242
2011=pod 2243=pod
2012 2244
2013The following fucntions and emthods are available within a safe environment: 2245The following functions and methods are available within a safe environment:
2014 2246
2015 cf::object contr pay_amount pay_player map 2247 cf::object contr pay_amount pay_player map
2016 cf::object::player player 2248 cf::object::player player
2017 cf::player peaceful 2249 cf::player peaceful
2018 cf::map trigger 2250 cf::map trigger
2103############################################################################# 2335#############################################################################
2104 2336
2105=head2 EXTENSION DATABASE SUPPORT 2337=head2 EXTENSION DATABASE SUPPORT
2106 2338
2107Crossfire maintains a very simple database for extension use. It can 2339Crossfire maintains a very simple database for extension use. It can
2108currently store anything that can be serialised using Storable, which 2340currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2109excludes objects. 2341convert to/from binary).
2110 2342
2111The 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
2112using it, it should be unique. 2344using it, it should be unique.
2113 2345
2114=over 4 2346=over 4
2115 2347
2116=item $hashref = cf::db_get $family
2117
2118Return a hashref for use by the extension C<$family>, which can be
2119modified. After modifications, you have to call C<cf::db_dirty> or
2120C<cf::db_sync>.
2121
2122=item $value = cf::db_get $family => $key 2348=item $value = cf::db_get $family => $key
2123 2349
2124Returns a single value from the database 2350Returns a single value from the database.
2125
2126=item cf::db_put $family => $hashref
2127
2128Stores the given family hashref into the database. Updates are delayed, if
2129you want the data to be synced to disk immediately, use C<cf::db_sync>.
2130 2351
2131=item cf::db_put $family => $key => $value 2352=item cf::db_put $family => $key => $value
2132 2353
2133Stores the given C<$value> in the family hash. Updates are delayed, if you 2354Stores the given C<$value> in the family.
2134want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136=item cf::db_dirty
2137
2138Marks the database as dirty, to be updated at a later time.
2139
2140=item cf::db_sync
2141
2142Immediately write the database to disk I<if it is dirty>.
2143 2355
2144=cut 2356=cut
2145 2357
2146our $DB; 2358our $DB;
2147 2359
2148{ 2360sub db_init {
2149 my $path = cf::localdir . "/database.pst"; 2361 unless ($DB) {
2362 $DB = BDB::db_create $DB_ENV;
2150 2363
2151 sub db_load() { 2364 cf::sync_job {
2152 $DB = stat $path ? Storable::retrieve $path : { }; 2365 eval {
2153 } 2366 $DB->set_flags (BDB::CHKSUM);
2154 2367
2155 my $pid; 2368 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2156 2369 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2157 sub db_save() { 2370 cf::cleanup "db_open(db): $!" if $!;
2158 waitpid $pid, 0 if $pid; 2371 };
2159 if (0 == ($pid = fork)) { 2372 cf::cleanup "db_open(db): $@" if $@;
2160 $DB->{_meta}{version} = 1;
2161 Storable::nstore $DB, "$path~";
2162 rename "$path~", $path;
2163 cf::_exit 0 if defined $pid;
2164 } 2373 };
2165 }
2166
2167 my $dirty;
2168
2169 sub db_sync() {
2170 db_save if $dirty;
2171 undef $dirty;
2172 }
2173
2174 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2175 db_sync;
2176 }); 2374 }
2375}
2177 2376
2178 sub db_dirty() {
2179 $dirty = 1;
2180 $idle->start;
2181 }
2182
2183 sub db_get($;$) { 2377sub db_get($$) {
2184 @_ >= 2 2378 my $key = "$_[0]/$_[1]";
2185 ? $DB->{$_[0]}{$_[1]}
2186 : ($DB->{$_[0]} ||= { })
2187 }
2188 2379
2380 cf::sync_job {
2381 BDB::db_get $DB, undef, $key, my $data;
2382
2383 $! ? ()
2384 : $data
2385 }
2386}
2387
2189 sub db_put($$;$) { 2388sub db_put($$$) {
2190 if (@_ >= 3) { 2389 BDB::dbreq_pri 4;
2191 $DB->{$_[0]}{$_[1]} = $_[2]; 2390 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2192 } else { 2391}
2193 $DB->{$_[0]} = $_[1];
2194 }
2195 db_dirty;
2196 }
2197 2392
2198 cf::global->attach ( 2393=item cf::cache $id => [$paths...], $processversion => $process
2199 prio => 10000, 2394
2200 on_cleanup => sub { 2395Generic caching function that returns the value of the resource $id,
2201 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->[$_]: $!";
2202 }, 2425 }
2203 ); 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 $@;
2503 _exit 0;
2504 }
2204} 2505}
2205 2506
2206############################################################################# 2507#############################################################################
2207# the server's main() 2508# the server's init and main functions
2509
2510sub load_facedata($) {
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}
2208 2597
2209sub cfg_load { 2598sub cfg_load {
2210 open my $fh, "<:utf8", cf::confdir . "/config" 2599 open my $fh, "<:utf8", "$CONFDIR/config"
2211 or return; 2600 or return;
2212 2601
2213 local $/; 2602 local $/;
2214 *CFG = YAML::Syck::Load <$fh>; 2603 *CFG = YAML::Syck::Load <$fh>;
2215 2604
2229 2618
2230sub main { 2619sub main {
2231 # we must not ever block the main coroutine 2620 # we must not ever block the main coroutine
2232 local $Coro::idle = sub { 2621 local $Coro::idle = sub {
2233 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2622 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623 (async {
2234 async { Event::one_event }; 2624 Event::one_event;
2625 })->prio (Coro::PRIO_MAX);
2235 }; 2626 };
2236 2627
2237 cfg_load; 2628 cfg_load;
2238 db_load; 2629 db_init;
2239 load_extensions; 2630 load_extensions;
2631
2632 $TICK_WATCHER->start;
2240 Event::loop; 2633 Event::loop;
2241} 2634}
2242 2635
2243############################################################################# 2636#############################################################################
2244# initialisation and cleanup 2637# initialisation and cleanup
2245 2638
2246# install some emergency cleanup handlers 2639# install some emergency cleanup handlers
2247BEGIN { 2640BEGIN {
2248 for my $signal (qw(INT HUP TERM)) { 2641 for my $signal (qw(INT HUP TERM)) {
2249 Event->signal ( 2642 Event->signal (
2643 reentrant => 0,
2250 data => WF_AUTOCANCEL, 2644 data => WF_AUTOCANCEL,
2251 signal => $signal, 2645 signal => $signal,
2646 prio => 0,
2252 cb => sub { 2647 cb => sub {
2253 cf::cleanup "SIG$signal"; 2648 cf::cleanup "SIG$signal";
2254 }, 2649 },
2255 ); 2650 );
2256 } 2651 }
2257} 2652}
2278 my $map = $cf::MAP{$path} or next; 2673 my $map = $cf::MAP{$path} or next;
2279 $map->valid or next; 2674 $map->valid or next;
2280 $map->save; 2675 $map->save;
2281 } 2676 }
2282 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 $DB_ENV;
2681 warn "end emergency database checkpoint\n";
2283 }; 2682 };
2284 2683
2285 warn "leave emergency perl save\n"; 2684 warn "leave emergency perl save\n";
2286} 2685}
2287 2686
2687sub post_cleanup {
2688 my ($make_core) = @_;
2689
2690 warn Carp::longmess "post_cleanup backtrace"
2691 if $make_core;
2692}
2693
2288sub reload() { 2694sub do_reload_perl() {
2289 # can/must only be called in main 2695 # can/must only be called in main
2290 if ($Coro::current != $Coro::main) { 2696 if ($Coro::current != $Coro::main) {
2291 warn "can only reload from main coroutine\n"; 2697 warn "can only reload from main coroutine";
2292 return; 2698 return;
2293 } 2699 }
2294 2700
2295 warn "reloading..."; 2701 warn "reloading...";
2296 2702
2297 warn "freezing server"; 2703 warn "entering sync_job";
2298 my $guard = freeze_mainloop; 2704
2705 cf::sync_job {
2706 cf::write_runtime; # external watchdog should not bark
2299 cf::emergency_save; 2707 cf::emergency_save;
2708 cf::write_runtime; # external watchdog should not bark
2300 2709
2301 warn "sync database to disk"; 2710 warn "syncing database to disk";
2302 cf::db_sync; 2711 BDB::db_env_txn_checkpoint $DB_ENV;
2303 IO::AIO::flush;
2304 2712
2305 eval {
2306 # 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
2307 2714
2308 warn "cancel all watchers"; 2715 warn "cancelling all WF_AUTOCANCEL watchers";
2309 for (Event::all_watchers) { 2716 for (Event::all_watchers) {
2310 $_->cancel if $_->data & WF_AUTOCANCEL; 2717 $_->cancel if $_->data & WF_AUTOCANCEL;
2311 } 2718 }
2312 2719
2720 warn "flushing outstanding aio requests";
2721 for (;;) {
2722 BDB::flush;
2723 IO::AIO::flush;
2724 Coro::cede;
2725 last unless IO::AIO::nreqs || BDB::nreqs;
2726 warn "iterate...";
2727 }
2728
2729 ++$RELOAD;
2730
2313 warn "cancel all extension coros"; 2731 warn "cancelling all extension coros";
2314 $_->cancel for values %EXT_CORO; 2732 $_->cancel for values %EXT_CORO;
2315 %EXT_CORO = (); 2733 %EXT_CORO = ();
2316 2734
2317 warn "remove commands"; 2735 warn "removing commands";
2318 %COMMAND = (); 2736 %COMMAND = ();
2319 2737
2320 warn "remove ext commands"; 2738 warn "removing ext commands";
2321 %EXTCMD = (); 2739 %EXTCMD = ();
2322 2740
2323 warn "unload/nuke all extensions"; 2741 warn "unloading/nuking all extensions";
2324 for my $pkg (@EXTS) { 2742 for my $pkg (@EXTS) {
2325 warn "... unloading $pkg"; 2743 warn "... unloading $pkg";
2326 2744
2327 if (my $cb = $pkg->can ("unload")) { 2745 if (my $cb = $pkg->can ("unload")) {
2328 eval { 2746 eval {
2333 2751
2334 warn "... nuking $pkg"; 2752 warn "... nuking $pkg";
2335 Symbol::delete_package $pkg; 2753 Symbol::delete_package $pkg;
2336 } 2754 }
2337 2755
2338 warn "unload all perl modules loaded from $LIBDIR"; 2756 warn "unloading all perl modules loaded from $LIBDIR";
2339 while (my ($k, $v) = each %INC) { 2757 while (my ($k, $v) = each %INC) {
2340 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2758 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2341 2759
2342 warn "removing <$k>"; 2760 warn "... unloading $k";
2343 delete $INC{$k}; 2761 delete $INC{$k};
2344 2762
2345 $k =~ s/\.pm$//; 2763 $k =~ s/\.pm$//;
2346 $k =~ s/\//::/g; 2764 $k =~ s/\//::/g;
2347 2765
2350 } 2768 }
2351 2769
2352 Symbol::delete_package $k; 2770 Symbol::delete_package $k;
2353 } 2771 }
2354 2772
2355 warn "get rid of safe::, as good as possible"; 2773 warn "getting rid of safe::, as good as possible";
2356 Symbol::delete_package "safe::$_" 2774 Symbol::delete_package "safe::$_"
2357 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);
2358 2776
2359 warn "unload cf.pm \"a bit\""; 2777 warn "unloading cf.pm \"a bit\"";
2360 delete $INC{"cf.pm"}; 2778 delete $INC{"cf.pm"};
2779 delete $INC{"cf/pod.pm"};
2361 2780
2362 # don't, removes xs symbols, too, 2781 # don't, removes xs symbols, too,
2363 # and global variables created in xs 2782 # and global variables created in xs
2364 #Symbol::delete_package __PACKAGE__; 2783 #Symbol::delete_package __PACKAGE__;
2365 2784
2785 warn "unload completed, starting to reload now";
2786
2366 warn "reloading cf.pm"; 2787 warn "reloading cf.pm";
2367 require cf; 2788 require cf;
2368 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2789 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2369 2790
2370 warn "load config and database again"; 2791 warn "loading config and database again";
2371 cf::cfg_load; 2792 cf::cfg_load;
2372 cf::db_load;
2373 2793
2374 warn "load extensions"; 2794 warn "loading extensions";
2375 cf::load_extensions; 2795 cf::load_extensions;
2376 2796
2377 warn "reattach attachments to objects/players"; 2797 warn "reattaching attachments to objects/players";
2378 _global_reattach; 2798 _global_reattach; # objects, sockets
2379 warn "reattach attachments to maps"; 2799 warn "reattaching attachments to maps";
2380 reattach $_ for values %MAP; 2800 reattach $_ for values %MAP;
2381 }; 2801 warn "reattaching attachments to players";
2802 reattach $_ for values %PLAYER;
2382 2803
2383 if ($@) { 2804 warn "leaving sync_job";
2805
2806 1
2807 } or do {
2384 warn $@; 2808 warn $@;
2385 warn "error while reloading, exiting."; 2809 warn "error while reloading, exiting.";
2386 exit 1; 2810 exit 1;
2387 } 2811 };
2388 2812
2389 warn "reloaded"; 2813 warn "reloaded";
2390}; 2814};
2391 2815
2816our $RELOAD_WATCHER; # used only during reload
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 $RELOAD_WATCHER;
2829 },
2830 );
2831}
2832
2392register_command "reload" => sub { 2833register_command "reload" => sub {
2393 my ($who, $arg) = @_; 2834 my ($who, $arg) = @_;
2394 2835
2395 if ($who->flag (FLAG_WIZ)) { 2836 if ($who->flag (FLAG_WIZ)) {
2396 $who->message ("start of reload.");
2397 reload;
2398 $who->message ("end of reload."); 2837 $who->message ("reloading server.");
2838 async { reload_perl };
2399 } 2839 }
2400}; 2840};
2401 2841
2402unshift @INC, $LIBDIR; 2842unshift @INC, $LIBDIR;
2403 2843
2844my $bug_warning = 0;
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 $avg = 10;
2404$TICK_WATCHER = Event->timer ( 2869$TICK_WATCHER = Event->timer (
2405 reentrant => 0, 2870 reentrant => 0,
2871 parked => 1,
2406 prio => 0, 2872 prio => 0,
2407 at => $NEXT_TICK || $TICK, 2873 at => $NEXT_TICK || $TICK,
2408 data => WF_AUTOCANCEL, 2874 data => WF_AUTOCANCEL,
2409 cb => sub { 2875 cb => sub {
2876 if ($Coro::current != $Coro::main) {
2877 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878 unless ++$bug_warning > 10;
2879 return;
2880 }
2881
2410 $NOW = Event::time; 2882 $NOW = $tick_start = Event::time;
2411 2883
2412 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
2413 $RUNTIME += $TICK; 2909 $RUNTIME += $TICK;
2414 $NEXT_TICK += $TICK; 2910 $NEXT_TICK += $TICK;
2415 2911
2416 $WAIT_FOR_TICK->broadcast; 2912 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2417 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2913 $NEXT_RUNTIME_WRITE = $NOW + 10;
2914 Coro::async_pool {
2915 write_runtime
2916 or warn "ERROR: unable to write runtime file: $!";
2917 };
2918 }
2919
2920# my $AFTER = Event::time;
2921# warn $AFTER - $NOW;#d#
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;
2418 2931
2419 # 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
2420 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2933 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2421 2934
2422 $TICK_WATCHER->at ($NEXT_TICK); 2935 $TICK_WATCHER->at ($NEXT_TICK);
2423 $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
2424 }, 2944 },
2425); 2945);
2426 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;
2427IO::AIO::max_poll_time $TICK * 0.2; 3001 IO::AIO::max_poll_time $TICK * 0.1;
2428
2429$AIO_POLL_WATCHER = Event->io ( 3002 $AIO_POLL_WATCHER = Event->io (
2430 fd => IO::AIO::poll_fileno, 3003 reentrant => 0,
2431 poll => 'r',
2432 prio => 5,
2433 data => WF_AUTOCANCEL,
2434 cb => \&IO::AIO::poll_cb,
2435);
2436
2437$WRITE_RUNTIME_WATCHER = Event->timer (
2438 data => WF_AUTOCANCEL, 3004 data => WF_AUTOCANCEL,
2439 after => 0, 3005 fd => IO::AIO::poll_fileno,
2440 interval => 10, 3006 poll => 'r',
2441 cb => sub { 3007 prio => 6,
2442 (Coro::unblock_sub { 3008 cb => \&IO::AIO::poll_cb,
2443 write_runtime 3009 );
2444 or warn "ERROR: unable to write runtime file: $!"; 3010}
3011
3012my $_log_backtrace;
3013
3014sub _log_backtrace {
3015 my ($msg, @addr) = @_;
3016
3017 $msg =~ s/\n//;
3018
3019 # limit the # of concurrent backtraces
3020 if ($_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;
2445 })->(); 3043 };
3044 } else {
3045 LOG llevInfo, "[ABT] $msg\n";
3046 LOG llevInfo, "[ABT] [suppressed]\n";
2446 }, 3047 }
2447); 3048}
3049
3050# load additional modules
3051use cf::pod;
2448 3052
2449END { cf::emergency_save } 3053END { cf::emergency_save }
2450 3054
24511 30551
2452 3056

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