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13 | package AnyEvent::MP::Node; |
13 | package AnyEvent::MP::Node; |
14 | |
14 | |
15 | use common::sense; |
15 | use common::sense; |
16 | |
16 | |
17 | use AE (); |
17 | use AE (); |
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18 | use AnyEvent::Util (); |
18 | use AnyEvent::Socket (); |
19 | use AnyEvent::Socket (); |
19 | |
20 | |
20 | use AnyEvent::MP::Transport (); |
21 | use AnyEvent::MP::Transport (); |
21 | |
22 | |
22 | use base Exporter::; |
23 | use base Exporter::; |
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… | |
33 | |
34 | |
34 | use base "AnyEvent::MP::Node"; |
35 | use base "AnyEvent::MP::Node"; |
35 | |
36 | |
36 | sub send { |
37 | sub send { |
37 | my ($self, $msg) = @_; |
38 | my ($self, $msg) = @_; |
38 | |
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39 | warn "send $self $self->{noderef}\n";#d# |
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40 | |
39 | |
41 | if ($self->{transport}) { |
40 | if ($self->{transport}) { |
42 | $self->{transport}->send ($msg); |
41 | $self->{transport}->send ($msg); |
43 | } elsif ($self->{queue}) { |
42 | } elsif ($self->{queue}) { |
44 | push @{ $self->{queue} }, $msg; |
43 | push @{ $self->{queue} }, $msg; |
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… | |
46 | $self->{queue} = [$msg]; |
45 | $self->{queue} = [$msg]; |
47 | $self->connect; |
46 | $self->connect; |
48 | } |
47 | } |
49 | } |
48 | } |
50 | |
49 | |
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50 | sub kill { |
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51 | my ($self, $port, @reason) = @_; |
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52 | |
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53 | $self->send (["", kil => $port, @reason]); |
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54 | } |
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55 | |
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56 | sub monitor { |
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57 | my ($self, $portid, $cb) = @_; |
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58 | |
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59 | return $cb->("node failed conenction") |
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60 | if $self->{failed}; |
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61 | |
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62 | my $list = $self->{lmon}{$portid} ||= []; |
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63 | |
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64 | $self->send (["", mon1 => $portid]) |
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65 | unless @$list; |
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66 | |
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67 | push @$list, $cb; |
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68 | } |
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69 | |
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70 | sub unmonitor { |
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71 | my ($self, $portid, $cb) = @_; |
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72 | |
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73 | my $list = $self->{lmon}{$portid} |
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74 | or return; |
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75 | |
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76 | @$list = grep $_ != $cb, @$list; |
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77 | |
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78 | unless (@$list) { |
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79 | $self->send (["", mon0 => $portid]); |
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80 | delete $self->{monitor}{$portid}; |
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81 | } |
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82 | } |
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83 | |
51 | sub set_transport { |
84 | sub set_transport { |
52 | my ($self, $transport) = @_; |
85 | my ($self, $transport) = @_; |
53 | |
86 | |
54 | delete $self->{trial}; |
87 | $self->clr_transport |
55 | delete $self->{next_connect}; |
88 | if $self->{transport}; |
56 | |
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57 | use Data::Dumper; warn "set_transport $self->{noderef} $self $AnyEvent::MP::NODE{'10.0.0.1:4040'}\n";#d# |
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58 | |
89 | |
59 | if ( |
90 | if ( |
60 | exists $self->{remote_uniq} |
91 | exists $self->{remote_uniq} |
61 | && $self->{remote_uniq} ne $transport->{remote_uniq} |
92 | && $self->{remote_uniq} ne $transport->{remote_uniq} |
62 | ) { |
93 | ) { |
63 | # uniq changed, drop queue |
94 | # uniq changed, different node |
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95 | $self->fail ("node restart detected"); |
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96 | } |
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97 | |
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98 | delete $self->{trial}; |
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99 | delete $self->{next_connect}; |
64 | delete $self->{queue}; |
100 | delete $self->{failed}; |
65 | #TODO: "DOWN" |
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66 | } |
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67 | |
101 | |
68 | $self->{remote_uniq} = $transport->{remote_uniq}; |
102 | $self->{remote_uniq} = $transport->{remote_uniq}; |
69 | $self->{transport} = $transport; |
103 | $self->{transport} = $transport; |
70 | |
104 | |
71 | $transport->send ($_) |
105 | $transport->send ($_) |
72 | for @{ delete $self->{queue} || [] }; |
106 | for @{ delete $self->{queue} || [] }; |
73 | } |
107 | } |
74 | |
108 | |
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109 | sub fail { |
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110 | my ($self, @reason) = @_; |
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111 | |
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112 | delete $self->{queue}; |
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113 | |
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114 | $self->{failed} = 1; |
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115 | |
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116 | if (my $mon = delete $self->{lmon}) { |
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117 | $_->(@reason) for map @$_, values %$mon; |
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118 | } |
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119 | } |
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120 | |
75 | sub clr_transport { |
121 | sub clr_transport { |
76 | my ($self) = @_; |
122 | my ($self, @reason) = @_; |
77 | |
123 | |
78 | delete $self->{transport}; |
124 | delete $self->{transport}; |
79 | warn "clr_transport\n"; |
125 | $self->connect; |
80 | } |
126 | } |
81 | |
127 | |
82 | sub connect { |
128 | sub connect { |
83 | my ($self) = @_; |
129 | my ($self) = @_; |
84 | |
130 | |
85 | Scalar::Util::weaken $self; |
131 | Scalar::Util::weaken $self; |
86 | |
132 | |
87 | unless (exists $self->{n_noderef}) { |
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88 | (AnyEvent::MP::normalise_noderef ($self->{noderef}))->cb (sub { |
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89 | $self or return; |
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90 | my $noderef = shift->recv; |
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91 | |
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92 | $self->{n_noderef} = $noderef; |
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93 | |
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94 | $AnyEvent::MP::NODE{$_} = $self |
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95 | for split /,/, $noderef; |
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96 | |
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97 | $self->connect; |
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98 | }); |
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99 | return; |
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100 | } |
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101 | |
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102 | $self->{retry} ||= [split /,/, $self->{n_noderef}]; |
133 | $self->{retry} ||= [split /,/, $self->{noderef}]; |
103 | |
134 | |
104 | my $endpoint = shift @{ $self->{retry} }; |
135 | my $endpoint = shift @{ $self->{retry} }; |
105 | |
136 | |
106 | if (defined $endpoint) { |
137 | if (defined $endpoint) { |
107 | $self->{trial}{$endpoint} ||= do { |
138 | $self->{trial}{$endpoint} ||= do { |
108 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
139 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
109 | or return; |
140 | or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference."); |
110 | |
141 | |
111 | my ($w, $g); |
142 | my ($w, $g); |
112 | |
143 | |
113 | $w = AE::timer $AnyEvent::MP::CONNECT_TIMEOUT, 0, sub { |
144 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
114 | delete $self->{trial}{$endpoint}; |
145 | delete $self->{trial}{$endpoint}; |
115 | }; |
146 | }; |
116 | $g = AnyEvent::MP::Transport::mp_connect |
147 | $g = AnyEvent::MP::Transport::mp_connect |
117 | $host, $port, |
148 | $host, $port, |
118 | sub { |
149 | sub { |
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124 | |
155 | |
125 | [$w, \$g] |
156 | [$w, \$g] |
126 | }; |
157 | }; |
127 | } else { |
158 | } else { |
128 | delete $self->{retry}; |
159 | delete $self->{retry}; |
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160 | $self->fail (transport_error => $self->{noderef}, "unable to connect"); |
129 | } |
161 | } |
130 | |
162 | |
131 | $self->{next_connect} = AE::timer $AnyEvent::MP::CONNECT_INTERVAL, 0, sub { |
163 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
132 | $self->connect; |
164 | $self->connect; |
133 | }; |
165 | }; |
134 | } |
166 | } |
135 | |
167 | |
136 | package AnyEvent::MP::Node::Self; |
168 | package AnyEvent::MP::Node::Self; |
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140 | sub set_transport { |
172 | sub set_transport { |
141 | die "FATAL error, set_transport was called"; |
173 | die "FATAL error, set_transport was called"; |
142 | } |
174 | } |
143 | |
175 | |
144 | sub send { |
176 | sub send { |
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177 | local $AnyEvent::MP::Base::SRCNODE = $_[0]; |
145 | AnyEvent::MP::_inject ($_[1]); |
178 | AnyEvent::MP::Base::_inject (@{ $_[1] }); |
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179 | } |
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180 | |
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181 | sub kill { |
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182 | my ($self, $port, @reason) = @_; |
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183 | |
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184 | delete $AnyEvent::MP::Base::PORT{$port}; |
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185 | delete $AnyEvent::MP::Base::PORT_DATA{$port}; |
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186 | |
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187 | my $mon = delete $AnyEvent::MP::Base::LMON{$port} |
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188 | or !@reason |
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189 | or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason"); |
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190 | |
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191 | $_->(@reason) for values %$mon; |
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192 | } |
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193 | |
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194 | sub monitor { |
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195 | my ($self, $portid, $cb) = @_; |
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196 | |
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197 | return $cb->() |
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198 | unless exists $AnyEvent::MP::Base::PORT{$portid}; |
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199 | |
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200 | $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; |
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201 | } |
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202 | |
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203 | sub unmonitor { |
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204 | my ($self, $portid, $cb) = @_; |
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205 | |
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206 | delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0}; |
146 | } |
207 | } |
147 | |
208 | |
148 | =head1 SEE ALSO |
209 | =head1 SEE ALSO |
149 | |
210 | |
150 | L<AnyEvent>. |
211 | L<AnyEvent>. |