| 1 | package transferqueue; |
1 | package transferqueue; |
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2 | |
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3 | my @reserve = ( |
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4 | [ 1_200_000, 1], |
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5 | [ 3_000_000, 1], |
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6 | [ 75_000_000, 1], |
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7 | ); |
| 2 | |
8 | |
| 3 | sub new { |
9 | sub new { |
| 4 | my $class = shift; |
10 | my $class = shift; |
| 5 | bless { |
11 | bless { |
| 6 | slots => $_[0], |
12 | slots => $_[0], |
| 7 | lastspb => 0, |
13 | lastspb => 0, |
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14 | avgspb => 0, |
| 8 | }, $class; |
15 | }, $class; |
| 9 | } |
16 | } |
| 10 | |
17 | |
| 11 | sub start_transfer { |
18 | sub start_transfer { |
| 12 | my $self = shift; |
19 | my $self = shift; |
| 13 | my $size = $_[0]; |
20 | my $size = $_[0]; |
| 14 | |
21 | |
| 15 | my $trans = bless { |
22 | my $transfer = bless { |
| 16 | queue => $self, |
23 | queue => $self, |
| 17 | time => $::NOW, |
24 | time => $::NOW, |
| 18 | size => $size, |
25 | size => $size, |
| 19 | coro => $Coro::current, |
26 | coro => $Coro::current, |
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27 | started => 0, |
| 20 | }, transfer::; |
28 | }, transfer::; |
| 21 | |
29 | |
| 22 | push @{$self->{wait}}, $trans; |
30 | push @{$self->{wait}}, $transfer; |
| 23 | Scalar::Util::weaken($self->{wait}[-1]); |
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| 24 | |
31 | |
| 25 | $self->wake_next; |
32 | $self->wake_next; |
| 26 | |
33 | |
| 27 | $trans; |
34 | $transfer; |
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35 | } |
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36 | |
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37 | sub sort { |
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38 | my @queue = grep $_, @{$_[0]{wait}}; |
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39 | |
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40 | $_->{spb} = ($::NOW-$_->{time}) / ($_->{size} || 1) for @queue; |
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41 | |
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42 | $_[0]{wait} = [sort { $b->{spb} <=> $a->{spb} } @queue]; |
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43 | |
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44 | Scalar::Util::weaken $_ for @{$_[0]{wait}}; |
| 28 | } |
45 | } |
| 29 | |
46 | |
| 30 | sub wake_next { |
47 | sub wake_next { |
| 31 | my $self = shift; |
48 | my $self = shift; |
| 32 | |
49 | |
| 33 | $self->sort; |
50 | $self->sort; |
| 34 | |
51 | |
| 35 | while($self->{slots} && @{$self->{wait}}) { |
52 | while (@{$self->{wait}}) { |
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53 | my $size = $self->{wait}[0]{size}; |
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54 | my $min = 0; |
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55 | for (@reserve) { |
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56 | last if $size <= $_->[0]; |
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57 | $min += $_->[1]; |
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58 | } |
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59 | last unless $self->{slots} > $min; |
| 36 | my $transfer = shift @{$self->{wait}}; |
60 | my $transfer = shift @{$self->{wait}}; |
| 37 | if ($transfer) { |
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| 38 | $self->{lastspb} = $transfer->{spb}; |
61 | $self->{lastspb} = $transfer->{spb}; |
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62 | $self->{avgspb} ||= $transfer->{spb}; |
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63 | $self->{avgspb} = $self->{avgspb} * 0.95 + $transfer->{spb} * 0.05; |
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64 | $self->{started}++; |
| 39 | $transfer->wake; |
65 | $transfer->wake; |
| 40 | last; |
66 | last; |
| 41 | } |
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| 42 | } |
67 | } |
| 43 | } |
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| 44 | |
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| 45 | sub sort { |
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| 46 | $_[0]{wait} = [ |
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| 47 | sort { $b->{spb} <=> $a->{spb} } |
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| 48 | grep { $_ && ($_->{spb} = ($::NOW-$_->{time})/($_->{size}||1)), $_ } |
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| 49 | @{$_[0]{wait}} |
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| 50 | ]; |
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| 51 | } |
68 | } |
| 52 | |
69 | |
| 53 | sub waiters { |
70 | sub waiters { |
| 54 | $_[0]->sort; |
71 | $_[0]->sort; |
| 55 | @{$_[0]{wait}}; |
72 | @{$_[0]{wait}}; |
