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package Protocol::SPDY::Base; |
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{ |
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$Protocol::SPDY::Base::VERSION = '1.000'; |
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} |
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1898
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use strict; |
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use warnings; |
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use parent qw(Mixin::Event::Dispatch); |
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=head1 NAME |
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Protocol::SPDY::Base - abstract support for the SPDY protocol |
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=head1 VERSION |
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version 1.000 |
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=head1 DESCRIPTION |
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Provides the base class for client, server and generic (proxy/analysis) |
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SPDY handling. |
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=cut |
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use Protocol::SPDY::Constants ':all'; |
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use List::UtilsBy qw(extract_by nsort_by); |
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6896
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=head1 METHODS |
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=cut |
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=head2 new |
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Instantiates a new SPDY-handling object. Applies any attributes |
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passed as named parameters. |
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=cut |
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sub new { |
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1
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2149
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my $class = shift; |
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bless { |
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initial_window_size => 65536, |
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pending_send => [ ], |
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@_ |
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}, $class |
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} |
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48
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=head2 sender_zlib |
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50
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The compression instance used for sending data. |
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=cut |
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54
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66
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1
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sub sender_zlib { shift->{sender_zlib} ||= Protocol::SPDY::Compress->new } |
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56
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=head2 receiver_zlib |
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58
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Compression instance used for receiving (decompressing) data. |
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=cut |
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1
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sub receiver_zlib { shift->{receiver_zlib} ||= Protocol::SPDY::Compress->new } |
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64
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=head2 request_close |
65
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66
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Issue a close request by sending a GOAWAY message. |
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68
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=cut |
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70
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sub request_close { |
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1
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my $self = shift; |
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my $reason = shift || 'OK'; |
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0
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$self->goaway($reason); |
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} |
75
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76
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=head2 restore_initial_settings |
77
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78
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Send back the list of settings we'd previously persisted. |
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80
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Typically called immediately after establishing the connection. |
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82
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=cut |
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84
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sub restore_initial_settings { |
85
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0
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1
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my $self = shift; |
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0
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0
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my %args = @_; |
87
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88
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# Each key-value pair, in ascending numeric order. |
89
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# We set the "persisted" flag to notify the other |
90
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# side that we're handing back the values we stashed |
91
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# from the last time around. |
92
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my @pending = nsort_by { |
93
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0
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0
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0
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$_->[0] |
94
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0
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0
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} map [ |
95
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SETTINGS_BY_NAME->{uc $_}, |
96
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$args{$_}, |
97
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FLAG_SETTINGS_PERSISTED |
98
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], keys %args; |
99
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100
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0
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0
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$self->queue_frame( |
101
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Protocol::SPDY::Frame::Control::SETTINGS->new( |
102
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version => $self->version, |
103
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settings => \@pending, |
104
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) |
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); |
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} |
107
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108
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=head2 send_settings |
109
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110
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Sends a SETTINGS frame generated from the key/value pairs passed |
111
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to this method. |
112
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113
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Typically called immediately after establishing the connection. |
114
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115
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Example: |
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117
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$spdy->send_settings( |
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initial_window_size => 32768, |
119
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max_concurrent_streams => 16, |
120
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); |
121
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122
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=cut |
123
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124
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sub send_settings { |
125
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0
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0
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1
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0
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my $self = shift; |
126
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0
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0
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my %args = @_; |
127
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128
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# Each key-value pair, in ascending numeric order. |
129
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my @pending = nsort_by { |
130
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0
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0
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0
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$_->[0] |
131
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0
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0
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} map [ |
132
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SETTINGS_BY_NAME->{uc $_}, |
133
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$args{$_}, |
134
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0, |
135
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], keys %args; |
136
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137
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0
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0
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$self->queue_frame( |
138
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Protocol::SPDY::Frame::Control::SETTINGS->new( |
139
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version => $self->version, |
140
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settings => \@pending, |
141
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) |
142
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); |
143
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} |
144
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145
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=head2 check_version |
146
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147
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Called before we do anything with a control frame. |
148
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149
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Returns true if it's supported, false if not. |
150
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151
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=cut |
152
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153
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sub check_version { |
154
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0
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0
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1
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0
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my ($self, $frame) = @_; |
155
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0
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0
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0
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if($frame->version > MAX_SUPPORTED_VERSION) { |
156
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# Send a reset if this was a SYN_STREAM |
157
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0
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0
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0
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$self->send_frame(RST_STREAM => { |
158
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status => UNSUPPORTED_VERSION |
159
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}) if $frame->type == FRAME_TYPE_BY_ID->{SYN_STREAM}; |
160
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# then bail out (we do this for any frame type |
161
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0
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0
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return 0; |
162
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} |
163
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0
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0
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return 1; |
164
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} |
165
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166
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=head2 next_stream_id |
167
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168
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Generate the next stream ID for this connection. |
169
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170
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Returns the next available stream ID, or 0 if we're out of available streams |
171
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172
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=cut |
173
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174
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sub next_stream_id { |
175
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8
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8
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1
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15
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my $self = shift; |
176
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# 2.3.2 - server streams are even, client streams are odd |
177
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8
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100
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45
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if(defined $self->{last_stream_id}) { |
178
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6
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13
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$self->{last_stream_id} += 2; |
179
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} else { |
180
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2
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13
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$self->{last_stream_id} = $self->initial_stream_id; |
181
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} |
182
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8
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50
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57
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return $self->{last_stream_id} if $self->{last_stream_id} <= 0x7FFFFFFF; |
183
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0
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0
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return 0; |
184
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} |
185
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186
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=head2 queue_frame |
187
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188
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Requests sending the given C< $frame > at the earliest opportunity. |
189
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190
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=cut |
191
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192
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sub queue_frame { |
193
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10
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10
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1
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14
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my $self = shift; |
194
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10
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11
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my $frame = shift; |
195
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10
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52
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$self->invoke_event(send_frame => $frame); |
196
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10
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392
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$self->write($frame->as_packet($self->sender_zlib)); |
197
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} |
198
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199
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200
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=head2 on_read |
201
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202
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This is the method that an external transport would call when it has |
203
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some data received from the other side of the SPDY connection. It |
204
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expects to be called with a scalar containing bytes which can be |
205
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decoded as SPDY frames; any SSL/TLS decoding should happen before |
206
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passing data to this method. |
207
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208
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Will call L for any valid frames that can be |
209
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extracted from the stream. |
210
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211
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=cut |
212
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213
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sub on_read { |
214
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10
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10
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1
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16
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my $self = shift; |
215
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10
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27
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$self->{input_buffer} .= shift; |
216
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10
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15
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my @frames; |
217
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10
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35
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while(defined(my $bytes = $self->extract_frame(\($self->{input_buffer})))) { |
218
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10
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30
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push @frames, my $f = $self->parse_frame($bytes); |
219
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10
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50
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53
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die "$bytes generated undef frame" unless $f; |
220
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10
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46
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$self->invoke_event(receive_frame => $f); |
221
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} |
222
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10
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50
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25
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return $self unless @frames; |
223
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224
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|
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# Get ourselves a temp copy for reentrancy protection |
225
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10
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22
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local $self->{batch}; |
226
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10
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41
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$self->dispatch_frame($_) for $self->prioritise_incoming_frames(@frames); |
227
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# Process any tasks we queued up |
228
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10
|
50
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62
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$self->batch->done if exists $self->{batch}; |
229
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10
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466
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$self |
230
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} |
231
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232
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=head2 prioritise_incoming_frames |
233
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234
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Given a list of L instances, returns them |
235
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reordered so that higher-priority items such as PING are handled |
236
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first. |
237
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238
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Does not yet support stream priority. |
239
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240
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=cut |
241
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242
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sub prioritise_incoming_frames { |
243
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10
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10
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1
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11
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my $self = shift; |
244
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10
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17
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my @frames = @_; |
245
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10
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10
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73
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my @ping = extract_by { $_->type_name eq 'PING' } @frames; |
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10
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101
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246
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10
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110
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return @ping, @frames; |
247
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} |
248
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249
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=head2 dispatch_frame |
250
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251
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Dispatches the given frame to appropriate handlers - this will |
252
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be the matching L if one exists, or |
253
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internal connection state handling for GOAWAY/SETTINGS frames. |
254
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255
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=cut |
256
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257
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sub dispatch_frame { |
258
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10
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10
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1
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14
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my $self = shift; |
259
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10
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14
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my $frame = shift; |
260
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# If we already have a stream for this frame, it probably |
261
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# knows better than we do how we should be handling it |
262
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10
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50
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37
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if(my $stream = $self->related_stream($frame)) { |
263
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10
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58
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$stream->handle_frame($frame); |
264
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} else { |
265
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# This is either a frame without a stream ID, or we don't |
266
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# have that frame yet. |
267
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0
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0
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0
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if($frame->type_name eq 'SYN_STREAM') { |
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0
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0
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268
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0
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0
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$self->incoming_stream($frame); |
269
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} elsif($frame->type_name eq 'PING') { |
270
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0
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0
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$self->invoke_event(ping => $frame); |
271
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# Bounce it straight back |
272
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0
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0
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$self->queue_frame($frame); |
273
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} elsif($frame->type_name eq 'SETTINGS') { |
274
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0
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0
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$self->apply_settings($frame); |
275
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} else { |
276
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# Give subclasses a chance to try this one |
277
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0
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0
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return $self->dispatch_unhandled_frame($frame); |
278
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} |
279
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} |
280
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10
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1153
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return $self; |
281
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} |
282
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283
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=head2 dispatch_unhandled_frame |
284
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285
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Called when we receive a frame that's not been picked up by the |
286
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usual handlers - could be a SYN_REPLY on a stream that we don't |
287
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have, for example. |
288
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289
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=cut |
290
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291
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|
sub dispatch_unhandled_frame { |
292
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0
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0
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1
|
0
|
my $self = shift; |
293
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0
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0
|
my $frame = shift; |
294
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0
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0
|
die "We do not know what to do with $frame yet"; |
295
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|
} |
296
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297
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|
=head2 incoming_stream |
298
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299
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|
Called when a new SYN_STREAM frame is received. |
300
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301
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|
=cut |
302
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303
|
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|
sub incoming_stream { |
304
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0
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|
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0
|
1
|
0
|
my $self = shift; |
305
|
0
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|
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|
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0
|
my $frame = shift; |
306
|
0
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|
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|
|
0
|
my $stream = Protocol::SPDY::Stream->new_from_syn( |
307
|
|
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|
|
$frame, |
308
|
|
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|
|
connection => $self |
309
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|
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|
); |
310
|
0
|
|
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|
|
0
|
$self->{streams}{$stream->id} = $stream; |
311
|
0
|
|
|
|
|
0
|
$self->invoke_event(stream => $stream); |
312
|
0
|
|
|
|
|
0
|
$self; |
313
|
|
|
|
|
|
|
} |
314
|
|
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|
|
|
|
|
315
|
|
|
|
|
|
|
=head2 related_stream |
316
|
|
|
|
|
|
|
|
317
|
|
|
|
|
|
|
Returns the L matching the stream_id |
318
|
|
|
|
|
|
|
for this frame (if it has one). |
319
|
|
|
|
|
|
|
|
320
|
|
|
|
|
|
|
Will return undef if we have no stream yet or this frame |
321
|
|
|
|
|
|
|
does not have a stream_id. |
322
|
|
|
|
|
|
|
|
323
|
|
|
|
|
|
|
=cut |
324
|
|
|
|
|
|
|
|
325
|
|
|
|
|
|
|
sub related_stream { |
326
|
10
|
|
|
10
|
1
|
13
|
my $self = shift; |
327
|
10
|
|
|
|
|
13
|
my $frame = shift; |
328
|
10
|
50
|
|
|
|
70
|
return undef unless my $m = $frame->can('stream_id'); |
329
|
10
|
|
|
|
|
28
|
my $stream_id = $m->($frame); |
330
|
10
|
50
|
|
|
|
36
|
return undef unless my $stream = $self->stream_by_id($stream_id); |
331
|
10
|
|
|
|
|
27
|
return $stream; |
332
|
|
|
|
|
|
|
} |
333
|
|
|
|
|
|
|
|
334
|
|
|
|
|
|
|
=head2 apply_settings |
335
|
|
|
|
|
|
|
|
336
|
|
|
|
|
|
|
Applies the given settings to our internal state. |
337
|
|
|
|
|
|
|
|
338
|
|
|
|
|
|
|
=cut |
339
|
|
|
|
|
|
|
|
340
|
|
|
|
|
|
|
sub apply_settings { |
341
|
0
|
|
|
0
|
1
|
0
|
my $self = shift; |
342
|
0
|
|
|
|
|
0
|
my $frame = shift; |
343
|
|
|
|
|
|
|
|
344
|
0
|
|
|
|
|
0
|
foreach my $setting ($frame->all_settings) { |
345
|
0
|
|
|
|
|
0
|
my ($id, $flags, $value) = @$setting; |
346
|
0
|
0
|
|
|
|
0
|
my $k = lc(SETTINGS_BY_ID->{$id}) or die 'unknown setting ' . $id; |
347
|
0
|
|
|
|
|
0
|
$self->invoke_event(setting => $k => $value, $flags); |
348
|
0
|
|
|
|
|
0
|
$self->{$k} = $value; |
349
|
|
|
|
|
|
|
} |
350
|
|
|
|
|
|
|
$self |
351
|
0
|
|
|
|
|
0
|
} |
352
|
|
|
|
|
|
|
|
353
|
|
|
|
|
|
|
=head2 extract_frame |
354
|
|
|
|
|
|
|
|
355
|
|
|
|
|
|
|
Given a scalar reference to a byte buffer, this will extract the first frame if possible |
356
|
|
|
|
|
|
|
and return the bytes if it succeeded, undef if not. No frame validation is performed: the |
357
|
|
|
|
|
|
|
bytes are extracted based on the length information only. |
358
|
|
|
|
|
|
|
|
359
|
|
|
|
|
|
|
=cut |
360
|
|
|
|
|
|
|
|
361
|
|
|
|
|
|
|
sub extract_frame { |
362
|
30
|
|
|
30
|
1
|
214
|
my $self = shift; |
363
|
30
|
|
|
|
|
33
|
my $buffer = shift; |
364
|
|
|
|
|
|
|
# 2.2 Frames always have a common header which is 8 bytes in length |
365
|
30
|
100
|
|
|
|
93
|
return undef unless length $$buffer >= 8; |
366
|
|
|
|
|
|
|
|
367
|
20
|
|
|
|
|
70
|
(undef, my $len) = unpack 'N1N1', $$buffer; |
368
|
20
|
|
|
|
|
30
|
$len &= 0x00FFFFFF; |
369
|
20
|
50
|
|
|
|
49
|
return undef unless length($$buffer) >= (8 + $len); |
370
|
20
|
|
|
|
|
52
|
my $bytes = substr $$buffer, 0, 8 + $len, ''; |
371
|
20
|
|
|
|
|
75
|
return $bytes; |
372
|
|
|
|
|
|
|
} |
373
|
|
|
|
|
|
|
|
374
|
|
|
|
|
|
|
=head2 parse_frame |
375
|
|
|
|
|
|
|
|
376
|
|
|
|
|
|
|
Parse a frame extracted by L. Returns an appropriate subclass of L |
377
|
|
|
|
|
|
|
if this succeeded, dies if it fails. |
378
|
|
|
|
|
|
|
|
379
|
|
|
|
|
|
|
=cut |
380
|
|
|
|
|
|
|
|
381
|
|
|
|
|
|
|
sub parse_frame { |
382
|
20
|
|
|
20
|
1
|
32
|
my $self = shift; |
383
|
20
|
|
|
|
|
29
|
my $pkt = shift; |
384
|
20
|
|
|
|
|
71
|
return Protocol::SPDY::Frame->parse( |
385
|
|
|
|
|
|
|
\$pkt, |
386
|
|
|
|
|
|
|
zlib => $self->receiver_zlib |
387
|
|
|
|
|
|
|
); |
388
|
|
|
|
|
|
|
} |
389
|
|
|
|
|
|
|
|
390
|
|
|
|
|
|
|
=head2 goaway |
391
|
|
|
|
|
|
|
|
392
|
|
|
|
|
|
|
Requests termination of the connection. |
393
|
|
|
|
|
|
|
|
394
|
|
|
|
|
|
|
=cut |
395
|
|
|
|
|
|
|
|
396
|
|
|
|
|
|
|
sub goaway { |
397
|
0
|
|
|
0
|
1
|
0
|
my $self = shift; |
398
|
0
|
|
|
|
|
0
|
my $status = shift; |
399
|
|
|
|
|
|
|
|
400
|
|
|
|
|
|
|
# We accept numeric or string status codes at this level |
401
|
0
|
0
|
|
|
|
0
|
$status = { |
402
|
|
|
|
|
|
|
OK => 0, |
403
|
|
|
|
|
|
|
PROTOCOL_ERROR => 1, |
404
|
|
|
|
|
|
|
INTERNAL_ERROR => 2, |
405
|
|
|
|
|
|
|
}->{$status} unless 0+$status eq $status; |
406
|
|
|
|
|
|
|
|
407
|
0
|
|
|
|
|
0
|
$self->queue_frame( |
408
|
|
|
|
|
|
|
Protocol::SPDY::Frame::GOAWAY->new( |
409
|
|
|
|
|
|
|
last_stream => $self->last_accepted_stream_id, |
410
|
|
|
|
|
|
|
status => $status, |
411
|
|
|
|
|
|
|
) |
412
|
|
|
|
|
|
|
); |
413
|
|
|
|
|
|
|
} |
414
|
|
|
|
|
|
|
|
415
|
|
|
|
|
|
|
=head2 ping |
416
|
|
|
|
|
|
|
|
417
|
|
|
|
|
|
|
Sends a ping request. We should get a PING packet back as a high-priority reply. |
418
|
|
|
|
|
|
|
|
419
|
|
|
|
|
|
|
=cut |
420
|
|
|
|
|
|
|
|
421
|
|
|
|
|
|
|
sub ping { |
422
|
0
|
|
|
0
|
1
|
0
|
my $self = shift; |
423
|
0
|
|
|
|
|
0
|
$self->queue_frame( |
424
|
|
|
|
|
|
|
Protocol::SPDY::Frame::PING->new( |
425
|
|
|
|
|
|
|
id => $self->next_ping_id, |
426
|
|
|
|
|
|
|
) |
427
|
|
|
|
|
|
|
); |
428
|
|
|
|
|
|
|
} |
429
|
|
|
|
|
|
|
|
430
|
|
|
|
|
|
|
=head2 settings |
431
|
|
|
|
|
|
|
|
432
|
|
|
|
|
|
|
Send settings to the remote. |
433
|
|
|
|
|
|
|
|
434
|
|
|
|
|
|
|
=cut |
435
|
|
|
|
|
|
|
|
436
|
|
|
|
|
|
|
sub settings { |
437
|
0
|
|
|
0
|
1
|
0
|
my $self = shift; |
438
|
0
|
|
|
|
|
0
|
$self->queue_frame( |
439
|
|
|
|
|
|
|
Protocol::SPDY::Frame::SETTINGS->new( |
440
|
|
|
|
|
|
|
id => $self->next_ping_id, |
441
|
|
|
|
|
|
|
settings => \@_, |
442
|
|
|
|
|
|
|
) |
443
|
|
|
|
|
|
|
); |
444
|
|
|
|
|
|
|
} |
445
|
|
|
|
|
|
|
|
446
|
|
|
|
|
|
|
=head2 credential |
447
|
|
|
|
|
|
|
|
448
|
|
|
|
|
|
|
Sends credential information to the remote. |
449
|
|
|
|
|
|
|
|
450
|
|
|
|
|
|
|
=cut |
451
|
|
|
|
|
|
|
|
452
|
|
|
|
|
|
|
sub credential { |
453
|
0
|
|
|
0
|
1
|
0
|
my $self = shift; |
454
|
0
|
|
|
|
|
0
|
die "Credential frames are not yet implemented"; |
455
|
|
|
|
|
|
|
} |
456
|
|
|
|
|
|
|
|
457
|
|
|
|
|
|
|
=head2 version |
458
|
|
|
|
|
|
|
|
459
|
|
|
|
|
|
|
Returns the version supported by this instance. Currently, this is |
460
|
|
|
|
|
|
|
always 3. |
461
|
|
|
|
|
|
|
|
462
|
|
|
|
|
|
|
=cut |
463
|
|
|
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464
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26
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26
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1
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161
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sub version { 3 } |
465
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466
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=head2 last_stream_id |
467
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468
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The ID for the last stream we created. |
469
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470
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=cut |
471
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472
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0
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0
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1
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0
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sub last_stream_id { shift->{last_stream_id} } |
473
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474
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=head2 write |
475
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476
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Calls the external code which is expected to handle writes. |
477
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478
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=cut |
479
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480
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sub write { |
481
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10
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10
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1
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19
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my $self = shift; |
482
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10
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40
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$self->{on_write}->(@_) |
483
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} |
484
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485
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=head2 create_stream |
486
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487
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Instantiate a new stream, returning the L instance. |
488
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489
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=cut |
490
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491
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sub create_stream { |
492
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8
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8
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1
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11874
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my $self = shift; |
493
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8
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21
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my %args = @_; |
494
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8
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41
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my $stream = Protocol::SPDY::Stream->new( |
495
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%args, |
496
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id => $self->next_stream_id, |
497
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connection => $self, |
498
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version => $self->version, |
499
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); |
500
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8
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37
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$self->{streams}{$stream->id} = $stream; |
501
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8
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42
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return $stream; |
502
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} |
503
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504
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=head2 pending_send |
505
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506
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Returns a count of the frames that are waiting to be sent. |
507
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508
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=cut |
509
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510
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sub pending_send { |
511
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0
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0
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1
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0
|
scalar @{ shift->{pending_send} } |
|
0
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0
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512
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} |
513
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514
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=head2 has_stream |
515
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516
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|
Returns true if we have a stream matching the ID on the |
517
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provided L instance. |
518
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519
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=cut |
520
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521
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|
sub has_stream { |
522
|
8
|
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|
8
|
1
|
18
|
my $self = shift; |
523
|
8
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|
15
|
my $stream = shift; |
524
|
8
|
50
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|
32
|
return exists $self->{streams}{$stream->id} ? 1 : 0; |
525
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} |
526
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527
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=head2 stream_by_id |
528
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529
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Returns the L matching the given ID. |
530
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531
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=cut |
532
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533
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|
sub stream_by_id { |
534
|
10
|
|
|
10
|
1
|
14
|
my $self = shift; |
535
|
10
|
|
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|
19
|
my $id = shift; |
536
|
10
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|
49
|
return $self->{streams}{$id} |
537
|
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} |
538
|
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539
|
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=head2 expected_upload_bandwidth |
540
|
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541
|
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|
The expected rate (kilobyte/sec) we can send data to the other side. |
542
|
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543
|
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=cut |
544
|
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545
|
0
|
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0
|
1
|
0
|
sub expected_upload_bandwidth { shift->{expected_upload_bandwidth} } |
546
|
|
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547
|
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|
|
=head2 expected_download_bandwidth |
548
|
|
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549
|
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|
The rate (kilobyte/sec) we expect to be able to receive data from the other side. |
550
|
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551
|
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=cut |
552
|
|
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553
|
0
|
|
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0
|
1
|
0
|
sub expected_download_bandwidth { shift->{expected_download_bandwidth} } |
554
|
|
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555
|
|
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|
=head2 expected_round_trip_time |
556
|
|
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|
|
557
|
|
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|
The rate (kilobyte/sec) we expect to be able to receive data from the other side. |
558
|
|
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559
|
|
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|
|
=cut |
560
|
|
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561
|
0
|
|
|
0
|
1
|
0
|
sub expected_round_trip_time { shift->{expected_round_trip_time} } |
562
|
|
|
|
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|
|
563
|
|
|
|
|
|
|
=head2 max_concurrent_streams |
564
|
|
|
|
|
|
|
|
565
|
|
|
|
|
|
|
The rate (kilobyte/sec) we expect to be able to receive data from the other side. |
566
|
|
|
|
|
|
|
|
567
|
|
|
|
|
|
|
=cut |
568
|
|
|
|
|
|
|
|
569
|
0
|
|
|
0
|
1
|
0
|
sub max_concurrent_streams { shift->{max_concurrent_streams} } |
570
|
|
|
|
|
|
|
|
571
|
|
|
|
|
|
|
=head2 current_cwnd |
572
|
|
|
|
|
|
|
|
573
|
|
|
|
|
|
|
The rate (kilobyte/sec) we expect to be able to receive data from the other side. |
574
|
|
|
|
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|
|
|
575
|
|
|
|
|
|
|
=cut |
576
|
|
|
|
|
|
|
|
577
|
0
|
|
|
0
|
1
|
0
|
sub current_cwnd { shift->{current_cwnd} } |
578
|
|
|
|
|
|
|
|
579
|
|
|
|
|
|
|
=head2 download_retrans_rate |
580
|
|
|
|
|
|
|
|
581
|
|
|
|
|
|
|
The rate (kilobyte/sec) we expect to be able to receive data from the other side. |
582
|
|
|
|
|
|
|
|
583
|
|
|
|
|
|
|
=cut |
584
|
|
|
|
|
|
|
|
585
|
0
|
|
|
0
|
1
|
0
|
sub download_retrans_rate { shift->{download_retrans_rate} } |
586
|
|
|
|
|
|
|
|
587
|
|
|
|
|
|
|
=head2 initial_window_size |
588
|
|
|
|
|
|
|
|
589
|
|
|
|
|
|
|
The rate (kilobyte/sec) we expect to be able to receive data from the other side. |
590
|
|
|
|
|
|
|
|
591
|
|
|
|
|
|
|
=cut |
592
|
|
|
|
|
|
|
|
593
|
0
|
|
|
0
|
1
|
0
|
sub initial_window_size { shift->{initial_window_size} } |
594
|
|
|
|
|
|
|
|
595
|
|
|
|
|
|
|
=head2 client_certificate_vector_size |
596
|
|
|
|
|
|
|
|
597
|
|
|
|
|
|
|
The rate (kilobyte/sec) we expect to be able to receive data from the other side. |
598
|
|
|
|
|
|
|
|
599
|
|
|
|
|
|
|
=cut |
600
|
|
|
|
|
|
|
|
601
|
0
|
|
|
0
|
1
|
0
|
sub client_certificate_vector_size { shift->{client_certificate_vector_size} } |
602
|
|
|
|
|
|
|
|
603
|
|
|
|
|
|
|
=head1 METHODS - Futures |
604
|
|
|
|
|
|
|
|
605
|
|
|
|
|
|
|
=head2 batch |
606
|
|
|
|
|
|
|
|
607
|
|
|
|
|
|
|
Future representing the current batch of frames being processed. Used |
608
|
|
|
|
|
|
|
for deferring window updates. |
609
|
|
|
|
|
|
|
|
610
|
|
|
|
|
|
|
=cut |
611
|
|
|
|
|
|
|
|
612
|
10
|
|
33
|
10
|
1
|
57
|
sub batch { shift->{batch} ||= Future->new } |
613
|
|
|
|
|
|
|
|
614
|
|
|
|
|
|
|
1; |
615
|
|
|
|
|
|
|
|
616
|
|
|
|
|
|
|
__END__ |