| 1 | =head1 NAME |
1 | =head1 NAME |
| 2 | |
2 | |
| 3 | AnyEvent::MP::Node - a single processing node (CPU/process...) |
3 | AnyEvent::MP::Node - represent a node |
| 4 | |
4 | |
| 5 | =head1 SYNOPSIS |
5 | =head1 SYNOPSIS |
| 6 | |
6 | |
| 7 | use AnyEvent::MP::Node; |
7 | use AnyEvent::MP::Node; |
| 8 | |
8 | |
| 9 | =head1 DESCRIPTION |
9 | =head1 DESCRIPTION |
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10 | |
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11 | This is an internal utility module, horrible to look at, so don't. |
| 10 | |
12 | |
| 11 | =cut |
13 | =cut |
| 12 | |
14 | |
| 13 | package AnyEvent::MP::Node; |
15 | package AnyEvent::MP::Node; |
| 14 | |
16 | |
| … | |
… | |
| 56 | push @{$self->{queue}}, shift; |
58 | push @{$self->{queue}}, shift; |
| 57 | $self->connect; |
59 | $self->connect; |
| 58 | }; |
60 | }; |
| 59 | } |
61 | } |
| 60 | |
62 | |
| 61 | # called only after successful handshake |
63 | # called each time we fail to establish a connection, |
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64 | # or the existing connection failed |
| 62 | sub transport_error { |
65 | sub transport_error { |
| 63 | my ($self, @reason) = @_; |
66 | my ($self, @reason) = @_; |
| 64 | |
67 | |
| 65 | my $no_transport = !$self->{transport}; |
68 | my $no_transport = !$self->{transport}; |
| 66 | |
69 | |
| … | |
… | |
| 74 | $_->(@reason) for map @$_, values %$mon; |
77 | $_->(@reason) for map @$_, values %$mon; |
| 75 | } |
78 | } |
| 76 | |
79 | |
| 77 | AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason) |
80 | AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason) |
| 78 | unless $no_transport; |
81 | unless $no_transport; |
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82 | |
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83 | # if we are here and are idle, we nuke ourselves |
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84 | delete $AnyEvent::MP::Kernel::NODE{$self->{id}} |
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85 | unless $self->{transport} || $self->{connect_to}; |
| 79 | } |
86 | } |
| 80 | |
87 | |
| 81 | # called after handshake was successful |
88 | # called after handshake was successful |
| 82 | sub transport_connect { |
89 | sub transport_connect { |
| 83 | my ($self, $transport) = @_; |
90 | my ($self, $transport) = @_; |
| … | |
… | |
| 109 | |
116 | |
| 110 | return if $self->{transport}; |
117 | return if $self->{transport}; |
| 111 | |
118 | |
| 112 | Scalar::Util::weaken $self; |
119 | Scalar::Util::weaken $self; |
| 113 | |
120 | |
| 114 | $self->{connect_to} ||= AE::timer |
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| 115 | $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT, |
121 | my $monitor = $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT; |
| 116 | 0, |
122 | |
| 117 | sub { |
123 | $self->{connect_to} ||= AE::timer $monitor, 0, sub { |
| 118 | $self->transport_error (transport_error => $self->{id}, "unable to connect"); |
124 | $self->transport_error (transport_error => $self->{id}, "unable to connect"); |
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125 | }; |
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126 | |
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127 | return unless @addresses; |
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128 | return if $self->{connect_w}; |
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129 | |
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130 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]"); |
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131 | |
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132 | my $interval = $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL; |
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133 | |
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134 | $interval = ($monitor - $interval) / @addresses |
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135 | if ($monitor - $interval) / @addresses < $interval; |
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136 | |
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137 | $interval = 0.4 if $interval < 0.4; |
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138 | |
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139 | my @endpoints; |
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140 | |
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141 | $self->{connect_w} = AE::timer rand, $interval, sub { |
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142 | @endpoints = @addresses |
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143 | unless @endpoints; |
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144 | |
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145 | my $endpoint = shift @endpoints; |
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146 | |
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147 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint"); |
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148 | |
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149 | $self->{trial}{$endpoint} ||= do { |
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150 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
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151 | or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference."); |
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152 | |
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153 | AnyEvent::MP::Transport::mp_connect |
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154 | $host, $port, |
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155 | sub { delete $self->{trial}{$endpoint} }, |
| 119 | }; |
156 | }; |
| 120 | |
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| 121 | return unless @addresses; |
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| 122 | |
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| 123 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} with [@addresses]"); |
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| 124 | |
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| 125 | unless ($self->{connect_w}) { |
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| 126 | my @endpoints; |
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| 127 | |
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| 128 | $self->{connect_w} = AE::timer |
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| 129 | rand, |
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| 130 | $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL, |
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| 131 | sub { |
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| 132 | @endpoints = @addresses |
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| 133 | unless @endpoints; |
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| 134 | |
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| 135 | my $endpoint = shift @endpoints; |
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| 136 | |
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| 137 | $AnyEvent::MP::Kernel::WARN->(9, "connecting to $self->{id} at $endpoint"); |
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| 138 | |
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| 139 | $self->{trial}{$endpoint} ||= do { |
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| 140 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
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| 141 | or return $AnyEvent::MP::Kernel::WARN->(1, "$self->{id}: not a resolved node reference."); |
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| 142 | |
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| 143 | AnyEvent::MP::Transport::mp_connect |
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| 144 | $host, $port, |
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| 145 | sub { delete $self->{trial}{$endpoint} }, |
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| 146 | }; |
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| 147 | } |
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| 148 | ; |
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| 149 | } |
157 | }; |
| 150 | } |
158 | } |
| 151 | |
159 | |
| 152 | sub kill { |
160 | sub kill { |
| 153 | my ($self, $port, @reason) = @_; |
161 | my ($self, $port, @reason) = @_; |
| 154 | |
162 | |
