… | |
… | |
90 | our $LINK_MAP; # the special {link} map, which is always available |
90 | our $LINK_MAP; # the special {link} map, which is always available |
91 | |
91 | |
92 | # 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 ∕ |
93 | our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
93 | our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
94 | |
94 | |
|
|
95 | our $LOAD; # a number between 0 (idle) and 1 (too many objects) |
|
|
96 | our $LOADAVG; # same thing, but with alpha-smoothing |
|
|
97 | our $tick_start; # for load detecting purposes |
|
|
98 | |
95 | binmode STDOUT; |
99 | binmode STDOUT; |
96 | binmode STDERR; |
100 | binmode STDERR; |
97 | |
101 | |
98 | # read virtual server time, if available |
102 | # read virtual server time, if available |
99 | unless ($RUNTIME || !-e "$LOCALDIR/runtime") { |
103 | unless ($RUNTIME || !-e "$LOCALDIR/runtime") { |
… | |
… | |
139 | |
143 | |
140 | =item $cf::TICK |
144 | =item $cf::TICK |
141 | |
145 | |
142 | The interval between server ticks, in seconds. |
146 | The interval between server ticks, in seconds. |
143 | |
147 | |
|
|
148 | =item $cf::LOADAVG |
|
|
149 | |
|
|
150 | The 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 |
|
|
152 | objects per tick. Healthy values are < 0.5. |
|
|
153 | |
|
|
154 | =item $cf::LOAD |
|
|
155 | |
|
|
156 | The raw value load value from the last tick. |
|
|
157 | |
144 | =item %cf::CFG |
158 | =item %cf::CFG |
145 | |
159 | |
146 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
160 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
147 | from wherever your confdir points to. |
161 | from wherever your confdir points to. |
148 | |
162 | |
… | |
… | |
173 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
187 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
174 | @safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
188 | @safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
175 | @safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
189 | @safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
176 | @safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
190 | @safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
177 | @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'; |
178 | @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) |
179 | |
194 | |
180 | # 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 |
181 | # within the Safe compartment. |
196 | # within the Safe compartment. |
182 | for my $pkg (qw( |
197 | for my $pkg (qw( |
183 | cf::global cf::attachable |
198 | cf::global cf::attachable |
… | |
… | |
318 | |
333 | |
319 | sub sync_job(&) { |
334 | sub sync_job(&) { |
320 | my ($job) = @_; |
335 | my ($job) = @_; |
321 | |
336 | |
322 | if ($Coro::current == $Coro::main) { |
337 | if ($Coro::current == $Coro::main) { |
|
|
338 | my $time = Event::time; |
|
|
339 | |
323 | # this is the main coro, too bad, we have to block |
340 | # this is the main coro, too bad, we have to block |
324 | # till the operation succeeds, freezing the server :/ |
341 | # till the operation succeeds, freezing the server :/ |
325 | |
342 | |
326 | # TODO: use suspend/resume instead |
343 | # TODO: use suspend/resume instead |
327 | # (but this is cancel-safe) |
344 | # (but this is cancel-safe) |
… | |
… | |
338 | |
355 | |
339 | while ($busy) { |
356 | while ($busy) { |
340 | Coro::cede or Event::one_event; |
357 | Coro::cede or Event::one_event; |
341 | } |
358 | } |
342 | |
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 | |
343 | wantarray ? @res : $res[0] |
367 | wantarray ? @res : $res[0] |
344 | } else { |
368 | } else { |
345 | # we are in another coroutine, how wonderful, everything just works |
369 | # we are in another coroutine, how wonderful, everything just works |
346 | |
370 | |
347 | $job->() |
371 | $job->() |
… | |
… | |
367 | |
391 | |
368 | $coro |
392 | $coro |
369 | } |
393 | } |
370 | |
394 | |
371 | sub write_runtime { |
395 | sub write_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 | |
372 | my $guard = cf::lock_acquire "write_runtime"; |
403 | my $guard = cf::lock_acquire "write_runtime"; |
373 | |
|
|
374 | my $runtime = "$LOCALDIR/runtime"; |
|
|
375 | |
404 | |
376 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
405 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
377 | or return; |
406 | or return; |
378 | |
407 | |
379 | my $value = $cf::RUNTIME + 90 + 10; |
408 | my $value = $cf::RUNTIME + 90 + 10; |
… | |
… | |
385 | |
414 | |
386 | # always fsync - this file is important |
415 | # always fsync - this file is important |
387 | aio_fsync $fh |
416 | aio_fsync $fh |
388 | and return; |
417 | and return; |
389 | |
418 | |
|
|
419 | # touch it again to show we are up-to-date |
|
|
420 | aio_utime $fh, undef, undef; |
|
|
421 | |
390 | close $fh |
422 | close $fh |
391 | or return; |
423 | or return; |
392 | |
424 | |
393 | aio_rename "$runtime~", $runtime |
425 | aio_rename "$runtime~", $runtime |
394 | and return; |
426 | and return; |
|
|
427 | |
|
|
428 | warn "runtime file written.\n";#d# |
395 | |
429 | |
396 | 1 |
430 | 1 |
397 | } |
431 | } |
398 | |
432 | |
399 | =item cf::datalog type => key => value, ... |
433 | =item cf::datalog type => key => value, ... |
… | |
… | |
592 | $registry = $CB_TYPE[$object_type] ||= []; |
626 | $registry = $CB_TYPE[$object_type] ||= []; |
593 | |
627 | |
594 | } elsif ($type eq "subtype") { |
628 | } elsif ($type eq "subtype") { |
595 | defined $object_type or Carp::croak "subtype specified without type"; |
629 | defined $object_type or Carp::croak "subtype specified without type"; |
596 | my $object_subtype = shift @arg; |
630 | my $object_subtype = shift @arg; |
597 | $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; |
631 | $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= []; |
598 | |
632 | |
599 | } elsif ($type eq "package") { |
633 | } elsif ($type eq "package") { |
600 | my $pkg = shift @arg; |
634 | my $pkg = shift @arg; |
601 | |
635 | |
602 | while (my ($name, $id) = each %cb_id) { |
636 | while (my ($name, $id) = each %cb_id) { |
… | |
… | |
643 | if (ref $_[0]) { |
677 | if (ref $_[0]) { |
644 | _object_attach @_; |
678 | _object_attach @_; |
645 | } else { |
679 | } else { |
646 | _attach shift->_attach_registry, @_; |
680 | _attach shift->_attach_registry, @_; |
647 | } |
681 | } |
|
|
682 | _recalc_want; |
648 | }; |
683 | }; |
649 | |
684 | |
650 | # all those should be optimised |
685 | # all those should be optimised |
651 | sub cf::attachable::detach { |
686 | sub cf::attachable::detach { |
652 | my ($obj, $name) = @_; |
687 | my ($obj, $name) = @_; |
… | |
… | |
655 | delete $obj->{_attachment}{$name}; |
690 | delete $obj->{_attachment}{$name}; |
656 | reattach ($obj); |
691 | reattach ($obj); |
657 | } else { |
692 | } else { |
658 | Carp::croak "cannot, currently, detach class attachments"; |
693 | Carp::croak "cannot, currently, detach class attachments"; |
659 | } |
694 | } |
|
|
695 | _recalc_want; |
660 | }; |
696 | }; |
661 | |
697 | |
662 | sub cf::attachable::attached { |
698 | sub cf::attachable::attached { |
663 | my ($obj, $name) = @_; |
699 | my ($obj, $name) = @_; |
664 | |
700 | |
… | |
… | |
1867 | $self->deactivate_recursive; |
1903 | $self->deactivate_recursive; |
1868 | |
1904 | |
1869 | return if UNIVERSAL::isa $self->map, "ext::map_link"; |
1905 | return if UNIVERSAL::isa $self->map, "ext::map_link"; |
1870 | |
1906 | |
1871 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
1907 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
1872 | if $self->map; |
1908 | if $self->map && $self->map->{path} ne "{link}"; |
1873 | |
1909 | |
1874 | $self->enter_map ($LINK_MAP || link_map, 10, 10); |
1910 | $self->enter_map ($LINK_MAP || link_map, 10, 10); |
1875 | } |
1911 | } |
1876 | |
1912 | |
1877 | sub cf::object::player::leave_link { |
1913 | sub cf::object::player::leave_link { |
1878 | my ($self, $map, $x, $y) = @_; |
1914 | my ($self, $map, $x, $y) = @_; |
|
|
1915 | |
|
|
1916 | return unless $self->contr->active; |
1879 | |
1917 | |
1880 | my $link_pos = delete $self->{_link_pos}; |
1918 | my $link_pos = delete $self->{_link_pos}; |
1881 | |
1919 | |
1882 | unless ($map) { |
1920 | unless ($map) { |
1883 | # restore original map position |
1921 | # restore original map position |
… | |
… | |
1906 | |
1944 | |
1907 | local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext |
1945 | local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext |
1908 | $self->enter_map ($map, $x, $y); |
1946 | $self->enter_map ($map, $x, $y); |
1909 | } |
1947 | } |
1910 | |
1948 | |
1911 | cf::player->attach ( |
|
|
1912 | on_logout => sub { |
|
|
1913 | my ($pl) = @_; |
|
|
1914 | |
|
|
1915 | # abort map switching before logout |
|
|
1916 | if ($pl->ob->{_link_pos}) { |
|
|
1917 | cf::sync_job { |
|
|
1918 | $pl->ob->leave_link |
|
|
1919 | }; |
|
|
1920 | } |
|
|
1921 | }, |
|
|
1922 | on_login => sub { |
|
|
1923 | my ($pl) = @_; |
|
|
1924 | |
|
|
1925 | # try to abort aborted map switching on player login :) |
|
|
1926 | # should happen only on crashes |
|
|
1927 | if ($pl->ob->{_link_pos}) { |
|
|
1928 | $pl->ob->enter_link; |
|
|
1929 | (async { |
|
|
1930 | $pl->ob->reply (undef, |
|
|
1931 | "There was an internal problem at your last logout, " |
|
|
1932 | . "the server will try to bring you to your intended destination in a second.", |
|
|
1933 | cf::NDI_RED); |
|
|
1934 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1935 | # and this sleep increases chances of the player not ending up in scorn |
|
|
1936 | Coro::Timer::sleep 1; |
|
|
1937 | $pl->ob->leave_link; |
|
|
1938 | })->prio (2); |
|
|
1939 | } |
|
|
1940 | }, |
|
|
1941 | ); |
|
|
1942 | |
|
|
1943 | =item $player_object->goto ($path, $x, $y) |
1949 | =item $player_object->goto ($path, $x, $y[, $check->($map)]) |
1944 | |
1950 | |
|
|
1951 | Moves the player to the given map-path and coordinates by first freezing |
|
|
1952 | her, loading and preparing them map, calling the provided $check callback |
|
|
1953 | that has to return the map if sucecssful, and then unfreezes the player on |
|
|
1954 | the new (success) or old (failed) map position. |
|
|
1955 | |
1945 | =cut |
1956 | =cut |
|
|
1957 | |
|
|
1958 | our $GOTOGEN; |
1946 | |
1959 | |
1947 | sub cf::object::player::goto { |
1960 | sub cf::object::player::goto { |
1948 | my ($self, $path, $x, $y) = @_; |
1961 | my ($self, $path, $x, $y, $check) = @_; |
|
|
1962 | |
|
|
1963 | # do generation counting so two concurrent goto's will be executed in-order |
|
|
1964 | my $gen = $self->{_goto_generation} = ++$GOTOGEN; |
1949 | |
1965 | |
1950 | $self->enter_link; |
1966 | $self->enter_link; |
1951 | |
1967 | |
1952 | (async { |
1968 | (async { |
1953 | my $map = eval { |
1969 | my $map = eval { |
1954 | my $map = cf::map::find $path; |
1970 | my $map = cf::map::find $path; |
|
|
1971 | |
|
|
1972 | if ($map) { |
1955 | $map = $map->customise_for ($self) if $map; |
1973 | $map = $map->customise_for ($self); |
|
|
1974 | $map = $check->($map) if $check && $map; |
|
|
1975 | } else { |
|
|
1976 | $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
|
|
1977 | } |
|
|
1978 | |
1956 | $map |
1979 | $map |
|
|
1980 | }; |
|
|
1981 | |
|
|
1982 | if ($@) { |
|
|
1983 | $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED); |
|
|
1984 | LOG llevError | logBacktrace, Carp::longmess $@; |
1957 | } or |
1985 | } |
1958 | $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
|
|
1959 | |
1986 | |
|
|
1987 | if ($gen == $self->{_goto_generation}) { |
|
|
1988 | delete $self->{_goto_generation}; |
1960 | $self->leave_link ($map, $x, $y); |
1989 | $self->leave_link ($map, $x, $y); |
|
|
1990 | } |
1961 | })->prio (1); |
1991 | })->prio (1); |
1962 | } |
1992 | } |
1963 | |
1993 | |
1964 | =item $player_object->enter_exit ($exit_object) |
1994 | =item $player_object->enter_exit ($exit_object) |
1965 | |
1995 | |
… | |
… | |
2449 | |
2479 | |
2450 | warn $@ if $@; |
2480 | warn $@ if $@; |
2451 | _exit 0; |
2481 | _exit 0; |
2452 | } |
2482 | } |
2453 | } |
2483 | } |
2454 | |
|
|
2455 | |
|
|
2456 | |
2484 | |
2457 | ############################################################################# |
2485 | ############################################################################# |
2458 | # the server's init and main functions |
2486 | # the server's init and main functions |
2459 | |
2487 | |
2460 | sub load_facedata($) { |
2488 | sub load_facedata($) { |
… | |
… | |
2811 | my $signal = new Coro::Signal; |
2839 | my $signal = new Coro::Signal; |
2812 | push @WAIT_FOR_TICK_BEGIN, $signal; |
2840 | push @WAIT_FOR_TICK_BEGIN, $signal; |
2813 | $signal->wait; |
2841 | $signal->wait; |
2814 | } |
2842 | } |
2815 | |
2843 | |
|
|
2844 | my $min = 1e6;#d# |
|
|
2845 | my $avg = 10; |
2816 | $TICK_WATCHER = Event->timer ( |
2846 | $TICK_WATCHER = Event->timer ( |
2817 | reentrant => 0, |
2847 | reentrant => 0, |
2818 | parked => 1, |
2848 | parked => 1, |
2819 | prio => 0, |
2849 | prio => 0, |
2820 | at => $NEXT_TICK || $TICK, |
2850 | at => $NEXT_TICK || $TICK, |
… | |
… | |
2824 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
2854 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
2825 | unless ++$bug_warning > 10; |
2855 | unless ++$bug_warning > 10; |
2826 | return; |
2856 | return; |
2827 | } |
2857 | } |
2828 | |
2858 | |
2829 | $NOW = Event::time; |
2859 | $NOW = $tick_start = Event::time; |
2830 | |
2860 | |
2831 | cf::server_tick; # one server iteration |
2861 | cf::server_tick; # one server iteration |
|
|
2862 | |
|
|
2863 | 0 && sync_job {#d# |
|
|
2864 | for(1..10) { |
|
|
2865 | my $t = Event::time; |
|
|
2866 | my $map = my $map = new_from_path cf::map "/tmp/x.map" |
|
|
2867 | or die; |
|
|
2868 | |
|
|
2869 | $map->width (50); |
|
|
2870 | $map->height (50); |
|
|
2871 | $map->alloc; |
|
|
2872 | $map->_load_objects ("/tmp/x.map", 1); |
|
|
2873 | my $t = Event::time - $t; |
|
|
2874 | |
|
|
2875 | #next unless $t < 0.0013;#d# |
|
|
2876 | if ($t < $min) { |
|
|
2877 | $min = $t; |
|
|
2878 | } |
|
|
2879 | $avg = $avg * 0.99 + $t * 0.01; |
|
|
2880 | } |
|
|
2881 | warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d# |
|
|
2882 | exit 0; |
|
|
2883 | # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477 |
|
|
2884 | }; |
2832 | |
2885 | |
2833 | $RUNTIME += $TICK; |
2886 | $RUNTIME += $TICK; |
2834 | $NEXT_TICK += $TICK; |
2887 | $NEXT_TICK += $TICK; |
2835 | |
2888 | |
2836 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
2889 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
… | |
… | |
2842 | } |
2895 | } |
2843 | |
2896 | |
2844 | # my $AFTER = Event::time; |
2897 | # my $AFTER = Event::time; |
2845 | # warn $AFTER - $NOW;#d# |
2898 | # warn $AFTER - $NOW;#d# |
2846 | |
2899 | |
|
|
2900 | if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { |
|
|
2901 | $sig->send; |
|
|
2902 | } |
|
|
2903 | while (my $sig = shift @WAIT_FOR_TICK) { |
|
|
2904 | $sig->send; |
|
|
2905 | } |
|
|
2906 | |
|
|
2907 | $NOW = Event::time; |
|
|
2908 | |
2847 | # if we are delayed by four ticks or more, skip them all |
2909 | # if we are delayed by four ticks or more, skip them all |
2848 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2910 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
2849 | |
2911 | |
2850 | $TICK_WATCHER->at ($NEXT_TICK); |
2912 | $TICK_WATCHER->at ($NEXT_TICK); |
2851 | $TICK_WATCHER->start; |
2913 | $TICK_WATCHER->start; |
2852 | |
2914 | |
2853 | if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { |
2915 | $LOAD = ($NOW - $tick_start) / $TICK; |
2854 | $sig->send; |
2916 | $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; |
2855 | } |
|
|
2856 | while (my $sig = shift @WAIT_FOR_TICK) { |
|
|
2857 | $sig->send; |
|
|
2858 | } |
|
|
2859 | |
2917 | |
2860 | _post_tick; |
2918 | _post_tick; |
|
|
2919 | |
|
|
2920 | |
2861 | }, |
2921 | }, |
2862 | ); |
2922 | ); |
2863 | |
2923 | |
2864 | { |
2924 | { |
2865 | BDB::max_poll_time $TICK * 0.1; |
2925 | BDB::max_poll_time $TICK * 0.1; |