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stmt |
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cond |
sub |
pod |
time |
code |
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package Protocol::HTTP2::Stream; |
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11
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54
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use strict; |
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11
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277
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3
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11
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51
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use warnings; |
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20
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11
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328
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4
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4463
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use Protocol::HTTP2::Constants qw(:states :endpoints :settings :frame_types |
5
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11
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11
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53
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:limits :errors); |
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19
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6
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11
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62
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use Protocol::HTTP2::HeaderCompression qw( headers_decode ); |
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19
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11
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515
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7
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11
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65
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use Protocol::HTTP2::Trace qw(tracer); |
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20
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11
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30998
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8
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9
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# Streams related part of Protocol::HTTP2::Conntection |
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11
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sub new_stream { |
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19
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19
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0
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2661
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my $self = shift; |
13
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19
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50
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2788
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return undef if $self->goaway; |
14
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15
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$self->{last_stream} += 2 |
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19
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50
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2781
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if exists $self->{streams}->{ $self->{type} == CLIENT ? 1 : 2 }; |
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100
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17
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$self->{streams}->{ $self->{last_stream} } = { |
18
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19
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2816
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'state' => IDLE, |
19
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'weight' => DEFAULT_WEIGHT, |
20
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'stream_dep' => 0, |
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'fcw_recv' => $self->dec_setting(SETTINGS_INITIAL_WINDOW_SIZE), |
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'fcw_send' => $self->enc_setting(SETTINGS_INITIAL_WINDOW_SIZE), |
23
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}; |
24
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19
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5421
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return $self->{last_stream}; |
25
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} |
26
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27
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sub new_peer_stream { |
28
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21
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21
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0
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2741
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my $self = shift; |
29
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21
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2719
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my $stream_id = shift; |
30
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21
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50
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33
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2927
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if ( $stream_id < $self->{last_peer_stream} |
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50
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31
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|| ( $stream_id % 2 ) == ( $self->{type} == CLIENT ) ? 1 : 0 |
32
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|| $self->goaway ) |
33
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{ |
34
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0
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0
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tracer->error("Peer send invalid stream id: $stream_id\n"); |
35
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0
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0
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$self->error(PROTOCOL_ERROR); |
36
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0
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0
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return undef; |
37
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} |
38
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21
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2760
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$self->{last_peer_stream} = $stream_id; |
39
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21
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50
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2771
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if ( $self->dec_setting(SETTINGS_MAX_CONCURRENT_STREAMS) <= |
40
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$self->{active_peer_streams} ) |
41
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{ |
42
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0
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0
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tracer->warning("SETTINGS_MAX_CONCURRENT_STREAMS exceeded\n"); |
43
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0
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0
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$self->stream_error( $stream_id, REFUSED_STREAM ); |
44
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0
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0
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return undef; |
45
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} |
46
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21
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2706
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$self->{active_peer_streams}++; |
47
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21
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2742
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tracer->debug("Active streams: $self->{active_peer_streams}"); |
48
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21
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2739
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$self->{streams}->{$stream_id} = { |
49
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'state' => IDLE, |
50
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'weight' => DEFAULT_WEIGHT, |
51
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'stream_dep' => 0, |
52
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'fcw_recv' => $self->dec_setting(SETTINGS_INITIAL_WINDOW_SIZE), |
53
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'fcw_send' => $self->enc_setting(SETTINGS_INITIAL_WINDOW_SIZE), |
54
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}; |
55
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$self->{on_new_peer_stream}->($stream_id) |
56
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21
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100
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2812
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if exists $self->{on_new_peer_stream}; |
57
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58
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21
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5477
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return $self->{last_peer_stream}; |
59
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} |
60
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61
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sub stream { |
62
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76
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76
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0
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12285
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my ( $self, $stream_id ) = @_; |
63
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76
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100
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15236
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return undef unless exists $self->{streams}->{$stream_id}; |
64
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65
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62
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19429
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$self->{streams}->{$stream_id}; |
66
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} |
67
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68
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# stream_state ( $self, $stream_id, $new_state?, $pending? ) |
69
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70
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sub stream_state { |
71
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67
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67
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0
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11118
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my $self = shift; |
72
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67
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10920
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my $stream_id = shift; |
73
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67
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50
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11144
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return undef unless exists $self->{streams}->{$stream_id}; |
74
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67
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11065
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my $s = $self->{streams}->{$stream_id}; |
75
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76
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67
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50
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11019
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if (@_) { |
77
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67
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11102
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my ( $new_state, $pending ) = @_; |
78
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79
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67
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100
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10957
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if ($pending) { |
80
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1
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4
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$self->stream_pending_state( $stream_id, $new_state ); |
81
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} |
82
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else { |
83
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$self->{on_change_state}->( $stream_id, $s->{state}, $new_state ) |
84
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66
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50
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11001
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if exists $self->{on_change_state}; |
85
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86
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66
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11157
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$s->{state} = $new_state; |
87
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88
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# Exec callbacks for new state |
89
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66
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100
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100
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11221
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if ( exists $s->{cb} && exists $s->{cb}->{ $s->{state} } ) { |
90
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28
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5477
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for my $cb ( @{ $s->{cb}->{ $s->{state} } } ) { |
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28
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11025
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91
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28
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5573
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$cb->(); |
92
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} |
93
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} |
94
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95
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# Cleanup |
96
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66
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100
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28533
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if ( $new_state == CLOSED ) { |
97
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$self->{active_peer_streams}-- |
98
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if $self->{active_peer_streams} |
99
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28
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100
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66
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5528
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&& ( ( $stream_id % 2 ) ^ ( $self->{type} == CLIENT ) ); |
100
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28
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5581
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tracer->info( |
101
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"Active streams: $self->{active_peer_streams} $stream_id"); |
102
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28
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5592
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for my $key ( keys %$s ) { |
103
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246
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100
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46640
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next if grep { $key eq $_ } ( |
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1230
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500774
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104
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qw(state weight stream_dep |
105
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fcw_recv fcw_send ) |
106
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); |
107
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106
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30209
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delete $s->{$key}; |
108
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} |
109
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} |
110
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} |
111
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} |
112
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113
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67
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72053
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$s->{state}; |
114
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} |
115
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116
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sub stream_pending_state { |
117
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136
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136
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0
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24607
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my $self = shift; |
118
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136
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24667
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my $stream_id = shift; |
119
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136
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50
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24774
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return undef unless exists $self->{streams}->{$stream_id}; |
120
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136
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24931
|
my $s = $self->{streams}->{$stream_id}; |
121
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136
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100
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24813
|
if (@_) { |
122
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2
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3
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$s->{pending_state} = shift; |
123
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$self->{pending_stream} = |
124
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2
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100
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8
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defined $s->{pending_state} ? $stream_id : undef; |
125
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} |
126
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136
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50177
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$s->{pending_state}; |
127
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} |
128
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129
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sub stream_promised_sid { |
130
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134
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134
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0
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24709
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my $self = shift; |
131
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134
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24658
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my $stream_id = shift; |
132
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134
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50
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24837
|
return undef unless exists $self->{streams}->{$stream_id}; |
133
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134
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24641
|
my $s = $self->{streams}->{$stream_id}; |
134
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134
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50
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24720
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$s->{promised_sid} = shift if @_; |
135
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134
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49282
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$s->{promised_sid}; |
136
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} |
137
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138
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sub stream_cb { |
139
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29
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29
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0
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5492
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my ( $self, $stream_id, $state, $cb ) = @_; |
140
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141
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29
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50
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5463
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return undef unless exists $self->{streams}->{$stream_id}; |
142
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143
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29
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5463
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push @{ $self->{streams}->{$stream_id}->{cb}->{$state} }, $cb; |
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29
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20639
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144
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} |
145
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146
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sub stream_frame_cb { |
147
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10
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10
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0
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2747
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my ( $self, $stream_id, $frame, $cb ) = @_; |
148
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149
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10
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50
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2729
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return undef unless exists $self->{streams}->{$stream_id}; |
150
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151
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10
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2685
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push @{ $self->{streams}->{$stream_id}->{frame_cb}->{$frame} }, $cb; |
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10
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8101
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152
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} |
153
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154
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sub stream_data { |
155
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48
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48
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0
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8157
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my $self = shift; |
156
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48
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|
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|
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8257
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my $stream_id = shift; |
157
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48
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50
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|
8312
|
return undef unless exists $self->{streams}->{$stream_id}; |
158
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48
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|
8149
|
my $s = $self->{streams}->{$stream_id}; |
159
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160
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48
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100
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8288
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if (@_) { |
161
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162
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|
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# Exec callbacks for data |
163
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23
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100
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66
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4225
|
if ( exists $s->{frame_cb} && exists $s->{frame_cb}->{&DATA} ) { |
164
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5
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1370
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for my $cb ( @{ $s->{frame_cb}->{&DATA} } ) { |
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5
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2833
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165
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5
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1384
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$cb->( $_[0] ); |
166
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|
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} |
167
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} |
168
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else { |
169
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18
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8198
|
$s->{data} .= shift; |
170
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} |
171
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} |
172
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173
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48
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16686
|
$s->{data}; |
174
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} |
175
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176
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|
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# Header Block -- The entire set of encoded header field representations |
177
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|
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sub stream_header_block { |
178
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30
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30
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0
|
5486
|
my $self = shift; |
179
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30
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|
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|
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5491
|
my $stream_id = shift; |
180
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30
|
50
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|
|
|
5560
|
return undef unless exists $self->{streams}->{$stream_id}; |
181
|
30
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|
|
5528
|
my $s = $self->{streams}->{$stream_id}; |
182
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183
|
30
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50
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|
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5691
|
$s->{header_block} .= shift if @_; |
184
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|
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185
|
30
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|
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|
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10959
|
$s->{header_block}; |
186
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|
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|
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} |
187
|
|
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188
|
|
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|
|
sub stream_headers { |
189
|
28
|
|
|
28
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0
|
5441
|
my $self = shift; |
190
|
28
|
|
|
|
|
5500
|
my $stream_id = shift; |
191
|
28
|
50
|
|
|
|
5618
|
return undef unless exists $self->{streams}->{$stream_id}; |
192
|
28
|
50
|
|
|
|
5415
|
$self->{streams}->{$stream_id}->{headers} = shift if @_; |
193
|
28
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|
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|
|
11073
|
$self->{streams}->{$stream_id}->{headers}; |
194
|
|
|
|
|
|
|
} |
195
|
|
|
|
|
|
|
|
196
|
|
|
|
|
|
|
sub stream_pp_headers { |
197
|
0
|
|
|
0
|
0
|
0
|
my $self = shift; |
198
|
0
|
|
|
|
|
0
|
my $stream_id = shift; |
199
|
0
|
0
|
|
|
|
0
|
return undef unless exists $self->{streams}->{$stream_id}; |
200
|
0
|
|
|
|
|
0
|
$self->{streams}->{$stream_id}->{pp_headers}; |
201
|
|
|
|
|
|
|
} |
202
|
|
|
|
|
|
|
|
203
|
|
|
|
|
|
|
# Explicit content-length in headers |
204
|
|
|
|
|
|
|
sub stream_length { |
205
|
6
|
|
|
6
|
0
|
17
|
my $self = shift; |
206
|
6
|
|
|
|
|
13
|
my $stream_id = shift; |
207
|
6
|
50
|
|
|
|
28
|
return undef unless exists $self->{streams}->{$stream_id}; |
208
|
6
|
100
|
|
|
|
32
|
$self->{streams}->{$stream_id}->{length} = shift if @_; |
209
|
6
|
|
|
|
|
26
|
$self->{streams}->{$stream_id}->{length}; |
210
|
|
|
|
|
|
|
} |
211
|
|
|
|
|
|
|
|
212
|
|
|
|
|
|
|
sub stream_headers_done { |
213
|
30
|
|
|
30
|
0
|
5500
|
my $self = shift; |
214
|
30
|
|
|
|
|
5486
|
my $stream_id = shift; |
215
|
30
|
50
|
|
|
|
5571
|
return undef unless exists $self->{streams}->{$stream_id}; |
216
|
30
|
|
|
|
|
5514
|
my $s = $self->{streams}->{$stream_id}; |
217
|
|
|
|
|
|
|
|
218
|
|
|
|
|
|
|
my $res = |
219
|
|
|
|
|
|
|
headers_decode( $self, \$s->{header_block}, 0, |
220
|
30
|
|
|
|
|
5618
|
length $s->{header_block}, $stream_id ); |
221
|
|
|
|
|
|
|
|
222
|
30
|
|
|
|
|
5546
|
tracer->debug("Headers done for stream $stream_id\n"); |
223
|
|
|
|
|
|
|
|
224
|
30
|
50
|
|
|
|
5616
|
return undef unless defined $res; |
225
|
|
|
|
|
|
|
|
226
|
|
|
|
|
|
|
# Clear header_block |
227
|
30
|
|
|
|
|
5477
|
$s->{header_block} = ''; |
228
|
|
|
|
|
|
|
|
229
|
30
|
|
|
|
|
5552
|
my $eh = $self->decode_context->{emitted_headers}; |
230
|
30
|
|
66
|
|
|
5664
|
my $is_response = $self->{type} == CLIENT && !$s->{promised_sid}; |
231
|
|
|
|
|
|
|
|
232
|
|
|
|
|
|
|
return undef |
233
|
30
|
50
|
|
|
|
5584
|
unless $self->validate_headers( $eh, $stream_id, $is_response ); |
234
|
|
|
|
|
|
|
|
235
|
30
|
50
|
|
|
|
5539
|
if ( $s->{promised_sid} ) { |
236
|
0
|
|
|
|
|
0
|
$self->{streams}->{ $s->{promised_sid} }->{pp_headers} = $eh; |
237
|
|
|
|
|
|
|
} |
238
|
|
|
|
|
|
|
else { |
239
|
30
|
|
|
|
|
11018
|
$s->{headers} = $eh; |
240
|
|
|
|
|
|
|
} |
241
|
|
|
|
|
|
|
|
242
|
|
|
|
|
|
|
# Exec callbacks for headers |
243
|
30
|
100
|
66
|
|
|
5549
|
if ( exists $s->{frame_cb} && exists $s->{frame_cb}->{&HEADERS} ) { |
244
|
5
|
|
|
|
|
1364
|
for my $cb ( @{ $s->{frame_cb}->{&HEADERS} } ) { |
|
5
|
|
|
|
|
2789
|
|
245
|
5
|
|
|
|
|
1414
|
$cb->($eh); |
246
|
|
|
|
|
|
|
} |
247
|
|
|
|
|
|
|
} |
248
|
|
|
|
|
|
|
|
249
|
|
|
|
|
|
|
# Clear emitted headers |
250
|
30
|
|
|
|
|
5659
|
$self->decode_context->{emitted_headers} = []; |
251
|
|
|
|
|
|
|
|
252
|
30
|
|
|
|
|
10959
|
return 1; |
253
|
|
|
|
|
|
|
} |
254
|
|
|
|
|
|
|
|
255
|
|
|
|
|
|
|
sub validate_headers { |
256
|
30
|
|
|
30
|
0
|
5505
|
my ( $self, $headers, $stream_id, $is_response ) = @_; |
257
|
30
|
|
|
|
|
5475
|
my $pseudo_flag = 1; |
258
|
30
|
|
|
|
|
5504
|
my %pseudo_hash = (); |
259
|
30
|
100
|
|
|
|
5542
|
my @h = $is_response ? (qw(:status)) : ( |
260
|
|
|
|
|
|
|
qw(:method :scheme :authority |
261
|
|
|
|
|
|
|
:path) |
262
|
|
|
|
|
|
|
); |
263
|
30
|
|
|
|
|
5711
|
for my $i ( 0 .. @$headers / 2 - 1 ) { |
264
|
128
|
|
|
|
|
25262
|
my ( $h, $v ) = ( $headers->[ $i * 2 ], $headers->[ $i * 2 + 1 ] ); |
265
|
128
|
100
|
|
|
|
24957
|
if ( $h =~ /^\:/ ) { |
266
|
75
|
50
|
|
|
|
13876
|
if ( !$pseudo_flag ) { |
|
|
50
|
|
|
|
|
|
|
|
50
|
|
|
|
|
|
267
|
0
|
|
|
|
|
0
|
tracer->warning( |
268
|
|
|
|
|
|
|
"pseudo-header <$h> appears after a regular header"); |
269
|
0
|
|
|
|
|
0
|
$self->stream_error( $stream_id, PROTOCOL_ERROR ); |
270
|
0
|
|
|
|
|
0
|
return undef; |
271
|
|
|
|
|
|
|
} |
272
|
255
|
|
|
|
|
92943
|
elsif ( !grep { $_ eq $h } @h ) { |
273
|
0
|
|
|
|
|
0
|
tracer->warning("invalid pseudo-header <$h>"); |
274
|
0
|
|
|
|
|
0
|
$self->stream_error( $stream_id, PROTOCOL_ERROR ); |
275
|
0
|
|
|
|
|
0
|
return undef; |
276
|
|
|
|
|
|
|
} |
277
|
|
|
|
|
|
|
elsif ( exists $pseudo_hash{$h} ) { |
278
|
0
|
|
|
|
|
0
|
tracer->warning("repeated pseudo-header <$h>"); |
279
|
0
|
|
|
|
|
0
|
$self->stream_error( $stream_id, PROTOCOL_ERROR ); |
280
|
0
|
|
|
|
|
0
|
return undef; |
281
|
|
|
|
|
|
|
} |
282
|
|
|
|
|
|
|
|
283
|
75
|
|
|
|
|
13719
|
$pseudo_hash{$h} = $v; |
284
|
75
|
|
|
|
|
27289
|
next; |
285
|
|
|
|
|
|
|
} |
286
|
|
|
|
|
|
|
|
287
|
53
|
100
|
|
|
|
11071
|
$pseudo_flag = 0 if $pseudo_flag; |
288
|
|
|
|
|
|
|
|
289
|
53
|
50
|
33
|
|
|
16664
|
if ( $h eq 'connection' ) { |
|
|
50
|
|
|
|
|
|
|
|
100
|
|
|
|
|
|
290
|
0
|
|
|
|
|
0
|
tracer->warning("connection header are not valid in http/2"); |
291
|
0
|
|
|
|
|
0
|
$self->stream_error( $stream_id, PROTOCOL_ERROR ); |
292
|
0
|
|
|
|
|
0
|
return undef; |
293
|
|
|
|
|
|
|
} |
294
|
|
|
|
|
|
|
elsif ( $h eq 'te' && $v ne 'trailers' ) { |
295
|
0
|
|
|
|
|
0
|
tracer->warning("TE header can contain only value 'trailers'"); |
296
|
0
|
|
|
|
|
0
|
$self->stream_error( $stream_id, PROTOCOL_ERROR ); |
297
|
0
|
|
|
|
|
0
|
return undef; |
298
|
|
|
|
|
|
|
} |
299
|
|
|
|
|
|
|
elsif ( $h eq 'content-length' ) { |
300
|
2
|
|
|
|
|
26
|
$self->stream_length( $stream_id, $v ); |
301
|
|
|
|
|
|
|
} |
302
|
|
|
|
|
|
|
} |
303
|
|
|
|
|
|
|
|
304
|
30
|
|
|
|
|
5464
|
for my $h (@h) { |
305
|
75
|
50
|
|
|
|
27329
|
next if exists $pseudo_hash{$h}; |
306
|
|
|
|
|
|
|
|
307
|
0
|
|
|
|
|
0
|
tracer->warning("missed mandatory pseudo-header $h"); |
308
|
0
|
|
|
|
|
0
|
$self->stream_error( $stream_id, PROTOCOL_ERROR ); |
309
|
0
|
|
|
|
|
0
|
return undef; |
310
|
|
|
|
|
|
|
} |
311
|
|
|
|
|
|
|
|
312
|
30
|
|
|
|
|
11044
|
1; |
313
|
|
|
|
|
|
|
} |
314
|
|
|
|
|
|
|
|
315
|
|
|
|
|
|
|
# RST_STREAM for stream errors |
316
|
|
|
|
|
|
|
sub stream_error { |
317
|
5
|
|
|
5
|
0
|
1379
|
my ( $self, $stream_id, $error ) = @_; |
318
|
5
|
|
|
|
|
1369
|
$self->enqueue( RST_STREAM, 0, $stream_id, $error ); |
319
|
|
|
|
|
|
|
} |
320
|
|
|
|
|
|
|
|
321
|
|
|
|
|
|
|
# Flow control windown of stream |
322
|
|
|
|
|
|
|
sub _stream_fcw { |
323
|
91
|
|
|
91
|
|
16443
|
my $dir = shift; |
324
|
91
|
|
|
|
|
16401
|
my $self = shift; |
325
|
91
|
|
|
|
|
16417
|
my $stream_id = shift; |
326
|
91
|
50
|
|
|
|
16512
|
return undef unless exists $self->{streams}->{$stream_id}; |
327
|
91
|
|
|
|
|
16607
|
my $s = $self->{streams}->{$stream_id}; |
328
|
|
|
|
|
|
|
|
329
|
91
|
100
|
|
|
|
16494
|
if (@_) { |
330
|
60
|
|
|
|
|
10903
|
$s->{$dir} += shift; |
331
|
60
|
|
|
|
|
11078
|
tracer->debug( "Stream $stream_id $dir now is " . $s->{$dir} . "\n" ); |
332
|
|
|
|
|
|
|
} |
333
|
91
|
|
|
|
|
49212
|
$s->{$dir}; |
334
|
|
|
|
|
|
|
} |
335
|
|
|
|
|
|
|
|
336
|
|
|
|
|
|
|
sub stream_fcw_send { |
337
|
60
|
|
|
60
|
0
|
11003
|
_stream_fcw( 'fcw_send', @_ ); |
338
|
|
|
|
|
|
|
} |
339
|
|
|
|
|
|
|
|
340
|
|
|
|
|
|
|
sub stream_fcw_recv { |
341
|
31
|
|
|
31
|
0
|
5547
|
_stream_fcw( 'fcw_recv', @_ ); |
342
|
|
|
|
|
|
|
} |
343
|
|
|
|
|
|
|
|
344
|
|
|
|
|
|
|
sub stream_fcw_update { |
345
|
0
|
|
|
0
|
0
|
0
|
my ( $self, $stream_id ) = @_; |
346
|
|
|
|
|
|
|
|
347
|
|
|
|
|
|
|
# TODO: check size of data of stream in memory |
348
|
0
|
|
|
|
|
0
|
tracer->debug("update fcw recv of stream $stream_id\n"); |
349
|
0
|
|
|
|
|
0
|
$self->stream_fcw_recv( $stream_id, DEFAULT_INITIAL_WINDOW_SIZE ); |
350
|
0
|
|
|
|
|
0
|
$self->enqueue( WINDOW_UPDATE, 0, $stream_id, DEFAULT_INITIAL_WINDOW_SIZE ); |
351
|
|
|
|
|
|
|
} |
352
|
|
|
|
|
|
|
|
353
|
|
|
|
|
|
|
sub stream_blocked_data { |
354
|
27
|
|
|
27
|
0
|
5473
|
my $self = shift; |
355
|
27
|
|
|
|
|
5471
|
my $stream_id = shift; |
356
|
27
|
50
|
|
|
|
5486
|
my $s = $self->{streams}->{$stream_id} or return undef; |
357
|
|
|
|
|
|
|
|
358
|
27
|
100
|
|
|
|
5534
|
$s->{blocked_data} = shift if @_; |
359
|
27
|
|
|
|
|
10863
|
$s->{blocked_data}; |
360
|
|
|
|
|
|
|
} |
361
|
|
|
|
|
|
|
|
362
|
|
|
|
|
|
|
sub stream_send_blocked { |
363
|
3
|
|
|
3
|
0
|
6
|
my ( $self, $stream_id ) = @_; |
364
|
3
|
50
|
|
|
|
9
|
my $s = $self->{streams}->{$stream_id} or return undef; |
365
|
|
|
|
|
|
|
|
366
|
3
|
100
|
66
|
|
|
17
|
if ( length( $s->{blocked_data} ) |
367
|
|
|
|
|
|
|
&& $self->stream_fcw_send($stream_id) != 0 ) |
368
|
|
|
|
|
|
|
{ |
369
|
1
|
|
|
|
|
3
|
$self->send_data($stream_id); |
370
|
|
|
|
|
|
|
} |
371
|
|
|
|
|
|
|
} |
372
|
|
|
|
|
|
|
|
373
|
|
|
|
|
|
|
sub stream_weight { |
374
|
2
|
|
|
2
|
0
|
5
|
my ( $self, $stream_id, $weight ) = @_; |
375
|
2
|
50
|
|
|
|
7
|
return undef unless exists $self->{streams}->{$stream_id}; |
376
|
2
|
|
|
|
|
4
|
my $s = $self->{streams}->{$stream_id}; |
377
|
|
|
|
|
|
|
|
378
|
2
|
50
|
|
|
|
5
|
$s->{weight} = $weight if defined $weight; |
379
|
2
|
|
|
|
|
5
|
$s->{weight}; |
380
|
|
|
|
|
|
|
} |
381
|
|
|
|
|
|
|
|
382
|
|
|
|
|
|
|
sub stream_end { |
383
|
36
|
|
|
36
|
0
|
6881
|
my ( $self, $stream_id, $end_flag ) = @_; |
384
|
36
|
50
|
|
|
|
6927
|
return undef unless exists $self->{streams}->{$stream_id}; |
385
|
36
|
|
|
|
|
6885
|
my $s = $self->{streams}->{$stream_id}; |
386
|
|
|
|
|
|
|
|
387
|
36
|
100
|
|
|
|
6908
|
$s->{end} = $end_flag if defined $end_flag; |
388
|
36
|
|
|
|
|
13672
|
$s->{end}; |
389
|
|
|
|
|
|
|
} |
390
|
|
|
|
|
|
|
|
391
|
|
|
|
|
|
|
sub stream_reprio { |
392
|
7
|
|
|
7
|
0
|
16
|
my ( $self, $stream_id, $exclusive, $stream_dep ) = @_; |
393
|
7
|
50
|
|
|
|
19
|
return undef unless exists $self->{streams}->{$stream_id}; |
394
|
7
|
|
|
|
|
10
|
my $s = $self->{streams}; |
395
|
|
|
|
|
|
|
|
396
|
7
|
100
|
|
|
|
22
|
if ( $s->{$stream_id}->{stream_dep} != $stream_dep ) { |
397
|
|
|
|
|
|
|
|
398
|
|
|
|
|
|
|
# check if new stream_dep is stream child |
399
|
4
|
50
|
|
|
|
11
|
if ( $stream_dep != 0 ) { |
400
|
4
|
|
|
|
|
5
|
my $sid = $stream_dep; |
401
|
4
|
|
|
|
|
11
|
while ( $sid = $s->{$sid}->{stream_dep} ) { |
402
|
5
|
100
|
|
|
|
19
|
next unless $sid == $stream_id; |
403
|
|
|
|
|
|
|
|
404
|
|
|
|
|
|
|
# Child take my stream dep |
405
|
|
|
|
|
|
|
$s->{$stream_dep}->{stream_dep} = |
406
|
1
|
|
|
|
|
3
|
$s->{$stream_id}->{stream_dep}; |
407
|
1
|
|
|
|
|
3
|
last; |
408
|
|
|
|
|
|
|
} |
409
|
|
|
|
|
|
|
} |
410
|
|
|
|
|
|
|
|
411
|
|
|
|
|
|
|
# Set new stream dep |
412
|
4
|
|
|
|
|
8
|
$s->{$stream_id}->{stream_dep} = $stream_dep; |
413
|
|
|
|
|
|
|
} |
414
|
|
|
|
|
|
|
|
415
|
7
|
100
|
|
|
|
15
|
if ($exclusive) { |
416
|
|
|
|
|
|
|
|
417
|
|
|
|
|
|
|
# move all siblings to childs |
418
|
1
|
|
|
|
|
4
|
for my $sid ( keys %$s ) { |
419
|
|
|
|
|
|
|
next |
420
|
3
|
100
|
66
|
|
|
17
|
if $s->{$sid}->{stream_dep} != $stream_dep |
421
|
|
|
|
|
|
|
|| $sid == $stream_id; |
422
|
|
|
|
|
|
|
|
423
|
2
|
|
|
|
|
5
|
$s->{$sid}->{stream_dep} = $stream_id; |
424
|
|
|
|
|
|
|
} |
425
|
|
|
|
|
|
|
} |
426
|
|
|
|
|
|
|
|
427
|
7
|
|
|
|
|
22
|
return 1; |
428
|
|
|
|
|
|
|
} |
429
|
|
|
|
|
|
|
|
430
|
|
|
|
|
|
|
1; |