| … | |
… | |
| 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]); |
|
|
| 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; |
|
|
35 | |
|
|
36 | $_[0]{wait} = [sort { $b->{spb} <=> $a->{spb} } @queue]; |
|
|
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} } |
|
|
| 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}}; |
