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