… | |
… | |
19 | use AnyEvent::Socket (); |
19 | use AnyEvent::Socket (); |
20 | |
20 | |
21 | use AnyEvent::MP::Transport (); |
21 | use AnyEvent::MP::Transport (); |
22 | |
22 | |
23 | sub new { |
23 | sub new { |
24 | my ($class, $noderef) = @_; |
24 | my ($self, $noderef) = @_; |
25 | |
25 | |
26 | bless { noderef => $noderef }, $class |
26 | $self = bless { noderef => $noderef }, $self; |
27 | } |
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28 | |
27 | |
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28 | $self->transport_reset; |
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29 | |
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30 | $self |
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31 | } |
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32 | |
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33 | sub send { |
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34 | &{ shift->{send} } |
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35 | } |
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36 | |
29 | package AnyEvent::MP::Node::Direct; |
37 | package AnyEvent::MP::Node::External; |
30 | |
38 | |
31 | use base "AnyEvent::MP::Node"; |
39 | use base "AnyEvent::MP::Node"; |
32 | |
40 | |
33 | sub send { |
41 | # called at init time, mostly sets {send} |
|
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42 | sub transport_reset { |
34 | my ($self, $msg) = @_; |
43 | my ($self) = @_; |
35 | |
44 | |
36 | if ($self->{transport}) { |
45 | delete $self->{transport}; |
37 | $self->{transport}->send ($msg); |
46 | |
38 | } elsif ($self->{queue}) { |
47 | Scalar::Util::weaken $self; |
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48 | |
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49 | $self->{send} = sub { |
39 | push @{ $self->{queue} }, $msg; |
50 | push @{$self->{queue}}, shift; |
40 | } else { |
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41 | $self->{queue} = [$msg]; |
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42 | $self->connect; |
51 | $self->connect; |
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52 | }; |
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53 | } |
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54 | |
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55 | # called only after successful handshake |
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56 | sub transport_error { |
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57 | my ($self, @reason) = @_; |
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58 | |
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59 | $self->{transport} |
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60 | or return; |
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61 | |
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62 | delete $self->{queue}; |
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63 | $self->transport_reset; |
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64 | |
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65 | AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason); |
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66 | |
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67 | if (my $mon = delete $self->{lmon}) { |
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68 | $_->(@reason) for map @$_, values %$mon; |
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69 | } |
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70 | } |
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71 | |
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72 | # called after handshake was successful |
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73 | sub transport_connect { |
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74 | my ($self, $transport) = @_; |
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75 | |
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76 | $self->transport_error (transport_error => "switched connections") |
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77 | if $self->{transport}; |
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78 | |
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79 | delete $self->{connect_w}; |
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80 | delete $self->{connect_to}; |
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81 | |
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82 | $self->{transport} = $transport; |
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83 | |
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84 | my $transport_send = $transport->can ("send"); |
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85 | |
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86 | $self->{send} = sub { |
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87 | $transport_send->($transport, $_[0]); |
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88 | }; |
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89 | |
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90 | AnyEvent::MP::Kernel::_inject_nodeevent ($self, 1); |
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91 | |
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92 | $transport->send ($_) |
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93 | for @{ delete $self->{queue} || [] }; |
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94 | } |
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95 | |
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96 | sub connect { |
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97 | my ($self) = @_; |
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98 | |
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99 | Scalar::Util::weaken $self; |
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100 | |
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101 | $self->{connect_to} ||= AE::timer |
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102 | $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT, |
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103 | 0, |
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104 | sub { |
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105 | $self->transport_error (transport_error => $self->{noderef}, "unable to connect"); |
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106 | }; |
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107 | |
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108 | unless ($self->{connect_w}) { |
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109 | my @endpoints; |
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110 | my %trial; |
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111 | |
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112 | $self->{connect_w} = AE::timer |
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113 | 0, |
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114 | $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL, |
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115 | sub { |
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116 | @endpoints = split /,/, $self->{noderef} |
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117 | unless @endpoints; |
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118 | |
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119 | my $endpoint = shift @endpoints; |
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120 | |
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121 | $trial{$endpoint} ||= do { |
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122 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
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123 | or return $AnyEvent::MP::Kernel::WARN->("$self->{noderef}: not a resolved node reference."); |
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124 | |
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125 | AnyEvent::MP::Transport::mp_connect |
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126 | $host, $port, |
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127 | sub { delete $trial{$endpoint} } |
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128 | ; |
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129 | }; |
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130 | } |
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131 | ; |
43 | } |
132 | } |
44 | } |
133 | } |
45 | |
134 | |
46 | sub kill { |
135 | sub kill { |
47 | my ($self, $port, @reason) = @_; |
136 | my ($self, $port, @reason) = @_; |
… | |
… | |
72 | $self->send (["", mon0 => $portid]); |
161 | $self->send (["", mon0 => $portid]); |
73 | delete $self->{monitor}{$portid}; |
162 | delete $self->{monitor}{$portid}; |
74 | } |
163 | } |
75 | } |
164 | } |
76 | |
165 | |
77 | sub set_transport { |
166 | package AnyEvent::MP::Node::Direct; |
78 | my ($self, $transport) = @_; |
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79 | |
167 | |
80 | $self->clr_transport |
168 | use base "AnyEvent::MP::Node::External"; |
81 | if $self->{transport}; |
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82 | |
169 | |
83 | delete $self->{trial}; |
170 | package AnyEvent::MP::Node::Indirect; |
84 | delete $self->{retry}; |
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85 | delete $self->{next_connect}; |
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86 | |
171 | |
87 | $self->{transport} = $transport; |
172 | use base "AnyEvent::MP::Node::Direct"; |
88 | |
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89 | $transport->send ($_) |
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90 | for @{ delete $self->{queue} || [] }; |
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91 | } |
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92 | |
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93 | sub fail { |
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94 | my ($self, @reason) = @_; |
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95 | |
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96 | delete $self->{queue}; |
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97 | |
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98 | if (my $mon = delete $self->{lmon}) { |
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99 | $_->(@reason) for map @$_, values %$mon; |
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100 | } |
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101 | } |
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102 | |
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103 | sub clr_transport { |
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104 | my ($self, @reason) = @_; |
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105 | |
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106 | delete $self->{transport}; |
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107 | $self->connect; |
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108 | } |
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109 | |
173 | |
110 | sub connect { |
174 | sub connect { |
111 | my ($self) = @_; |
175 | my ($self) = @_; |
112 | |
176 | |
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177 | $self->transport_error (transport_error => $self->{noderef}, "unable to connect to indirect node"); |
|
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178 | } |
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179 | |
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180 | package AnyEvent::MP::Node::Self; |
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181 | |
|
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182 | use base "AnyEvent::MP::Node"; |
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183 | |
|
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184 | sub connect { |
|
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185 | # we are trivially connected |
|
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186 | } |
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187 | |
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188 | sub transport_reset { |
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189 | my ($self) = @_; |
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190 | |
113 | Scalar::Util::weaken $self; |
191 | Scalar::Util::weaken $self; |
114 | |
192 | |
115 | $self->{retry} ||= [split /,/, $self->{noderef}]; |
193 | $self->{send} = sub { |
116 | |
194 | local $AnyEvent::MP::Kernel::SRCNODE = $self; |
117 | my $endpoint = shift @{ $self->{retry} }; |
195 | AnyEvent::MP::Kernel::_inject (@{ $_[0] }); |
118 | |
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119 | if (defined $endpoint) { |
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120 | $self->{trial}{$endpoint} ||= do { |
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121 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
|
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122 | or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference."); |
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123 | |
|
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124 | my ($w, $g); |
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125 | |
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126 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
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127 | delete $self->{trial}{$endpoint}; |
|
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128 | }; |
|
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129 | $g = AnyEvent::MP::Transport::mp_connect |
|
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130 | $host, $port, |
|
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131 | sub { |
|
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132 | delete $self->{trial}{$endpoint} |
|
|
133 | unless @_; |
|
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134 | $g = shift; |
|
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135 | }; |
|
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136 | ; |
|
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137 | |
|
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138 | [$w, \$g] |
|
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139 | }; |
|
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140 | } else { |
|
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141 | $self->fail (transport_error => $self->{noderef}, "unable to connect"); |
|
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142 | } |
|
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143 | |
|
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144 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
|
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145 | delete $self->{retry}; |
|
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146 | $self->connect; |
|
|
147 | }; |
196 | }; |
148 | } |
|
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149 | |
|
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150 | package AnyEvent::MP::Node::Slave; |
|
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151 | |
|
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152 | use base "AnyEvent::MP::Node::Direct"; |
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153 | |
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154 | sub connect { |
|
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155 | my ($self) = @_; |
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156 | |
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157 | $self->fail (transport_error => $self->{noderef}, "unable to connect to slave node"); |
|
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158 | } |
|
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159 | |
|
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160 | package AnyEvent::MP::Node::Self; |
|
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161 | |
|
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162 | use base "AnyEvent::MP::Node"; |
|
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163 | |
|
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164 | sub set_transport { |
|
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165 | Carp::confess "FATAL error, set_transport was called on local node"; |
|
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166 | } |
|
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167 | |
|
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168 | sub send { |
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169 | local $AnyEvent::MP::Base::SRCNODE = $_[0]; |
|
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170 | AnyEvent::MP::Base::_inject (@{ $_[1] }); |
|
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171 | } |
197 | } |
172 | |
198 | |
173 | sub kill { |
199 | sub kill { |
174 | my ($self, $port, @reason) = @_; |
200 | my ($self, $port, @reason) = @_; |
175 | |
201 | |
176 | delete $AnyEvent::MP::Base::PORT{$port}; |
202 | delete $AnyEvent::MP::Kernel::PORT{$port}; |
177 | delete $AnyEvent::MP::Base::PORT_DATA{$port}; |
203 | delete $AnyEvent::MP::Kernel::PORT_DATA{$port}; |
178 | |
204 | |
179 | my $mon = delete $AnyEvent::MP::Base::LMON{$port} |
205 | my $mon = delete $AnyEvent::MP::Kernel::LMON{$port} |
180 | or !@reason |
206 | or !@reason |
181 | or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason"); |
207 | or $AnyEvent::MP::Kernel::WARN->("unmonitored local port $port died with reason: @reason"); |
182 | |
208 | |
183 | $_->(@reason) for values %$mon; |
209 | $_->(@reason) for values %$mon; |
184 | } |
210 | } |
185 | |
211 | |
186 | sub monitor { |
212 | sub monitor { |
187 | my ($self, $portid, $cb) = @_; |
213 | my ($self, $portid, $cb) = @_; |
188 | |
214 | |
189 | return $cb->(no_such_port => "cannot monitor nonexistent port") |
215 | return $cb->(no_such_port => "cannot monitor nonexistent port") |
190 | unless exists $AnyEvent::MP::Base::PORT{$portid}; |
216 | unless exists $AnyEvent::MP::Kernel::PORT{$portid}; |
191 | |
217 | |
192 | $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; |
218 | $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb; |
193 | } |
219 | } |
194 | |
220 | |
195 | sub unmonitor { |
221 | sub unmonitor { |
196 | my ($self, $portid, $cb) = @_; |
222 | my ($self, $portid, $cb) = @_; |
197 | |
223 | |
198 | delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0}; |
224 | delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0}; |
199 | } |
225 | } |
200 | |
226 | |
201 | =head1 SEE ALSO |
227 | =head1 SEE ALSO |
202 | |
228 | |
203 | L<AnyEvent::MP>. |
229 | L<AnyEvent::MP>. |