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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 | my $list = $self->{lmon}{$portid} ||= []; |
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60 | |
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61 | $self->send (["", mon1 => $portid]) |
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62 | unless @$list; |
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63 | |
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64 | push @$list, $cb; |
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65 | } |
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66 | |
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67 | sub unmonitor { |
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68 | my ($self, $portid, $cb) = @_; |
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69 | |
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70 | my $list = $self->{lmon}{$portid} |
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71 | or return; |
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72 | |
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73 | @$list = grep $_ != $cb, @$list; |
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74 | |
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75 | unless (@$list) { |
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76 | $self->send (["", mon0 => $portid]); |
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77 | delete $self->{monitor}{$portid}; |
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78 | } |
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79 | } |
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80 | |
51 | sub set_transport { |
81 | sub set_transport { |
52 | my ($self, $transport) = @_; |
82 | my ($self, $transport) = @_; |
53 | |
83 | |
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84 | $self->clr_transport |
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85 | if $self->{transport}; |
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86 | |
54 | delete $self->{trial}; |
87 | delete $self->{trial}; |
55 | delete $self->{next_connect}; |
88 | delete $self->{next_connect}; |
56 | |
89 | |
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 | |
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59 | if ( |
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60 | exists $self->{remote_uniq} |
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61 | && $self->{remote_uniq} ne $transport->{remote_uniq} |
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62 | ) { |
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63 | # uniq changed, drop queue |
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64 | delete $self->{queue}; |
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65 | #TODO: "DOWN" |
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66 | } |
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67 | |
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68 | $self->{remote_uniq} = $transport->{remote_uniq}; |
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69 | $self->{transport} = $transport; |
90 | $self->{transport} = $transport; |
70 | |
91 | |
71 | $transport->send ($_) |
92 | $transport->send ($_) |
72 | for @{ delete $self->{queue} || [] }; |
93 | for @{ delete $self->{queue} || [] }; |
73 | } |
94 | } |
74 | |
95 | |
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96 | sub fail { |
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97 | my ($self, @reason) = @_; |
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98 | |
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99 | delete $self->{queue}; |
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100 | |
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101 | if (my $mon = delete $self->{lmon}) { |
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102 | $_->(@reason) for map @$_, values %$mon; |
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103 | } |
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104 | } |
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105 | |
75 | sub clr_transport { |
106 | sub clr_transport { |
76 | my ($self) = @_; |
107 | my ($self, @reason) = @_; |
77 | |
108 | |
78 | delete $self->{transport}; |
109 | delete $self->{transport}; |
79 | warn "clr_transport\n"; |
110 | $self->connect; |
80 | } |
111 | } |
81 | |
112 | |
82 | sub connect { |
113 | sub connect { |
83 | my ($self) = @_; |
114 | my ($self) = @_; |
84 | |
115 | |
85 | Scalar::Util::weaken $self; |
116 | Scalar::Util::weaken $self; |
86 | |
117 | |
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}]; |
118 | $self->{retry} ||= [split /,/, $self->{noderef}]; |
103 | |
119 | |
104 | my $endpoint = shift @{ $self->{retry} }; |
120 | my $endpoint = shift @{ $self->{retry} }; |
105 | |
121 | |
106 | if (defined $endpoint) { |
122 | if (defined $endpoint) { |
107 | $self->{trial}{$endpoint} ||= do { |
123 | $self->{trial}{$endpoint} ||= do { |
108 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
124 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
109 | or return; |
125 | or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference."); |
110 | |
126 | |
111 | my ($w, $g); |
127 | my ($w, $g); |
112 | |
128 | |
113 | $w = AE::timer $AnyEvent::MP::CONNECT_TIMEOUT, 0, sub { |
129 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
114 | delete $self->{trial}{$endpoint}; |
130 | delete $self->{trial}{$endpoint}; |
115 | }; |
131 | }; |
116 | $g = AnyEvent::MP::Transport::mp_connect |
132 | $g = AnyEvent::MP::Transport::mp_connect |
117 | $host, $port, |
133 | $host, $port, |
118 | sub { |
134 | sub { |
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124 | |
140 | |
125 | [$w, \$g] |
141 | [$w, \$g] |
126 | }; |
142 | }; |
127 | } else { |
143 | } else { |
128 | delete $self->{retry}; |
144 | delete $self->{retry}; |
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145 | $self->fail (transport_error => $self->{noderef}, "unable to connect"); |
129 | } |
146 | } |
130 | |
147 | |
131 | $self->{next_connect} = AE::timer $AnyEvent::MP::CONNECT_INTERVAL, 0, sub { |
148 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
132 | $self->connect; |
149 | $self->connect; |
133 | }; |
150 | }; |
134 | } |
151 | } |
135 | |
152 | |
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153 | package AnyEvent::MP::Node::Slave; |
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154 | |
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155 | use base "AnyEvent::MP::Node::Direct"; |
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156 | |
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157 | sub connect { |
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158 | my ($self) = @_; |
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159 | |
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160 | $self->fail (transport_error => $self->{noderef}, "unable to connect to slave node"); |
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161 | } |
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162 | |
136 | package AnyEvent::MP::Node::Self; |
163 | package AnyEvent::MP::Node::Self; |
137 | |
164 | |
138 | use base "AnyEvent::MP::Node"; |
165 | use base "AnyEvent::MP::Node"; |
139 | |
166 | |
140 | sub set_transport { |
167 | sub set_transport { |
141 | die "FATAL error, set_transport was called"; |
168 | Carp::confess "FATAL error, set_transport was called on local node"; |
142 | } |
169 | } |
143 | |
170 | |
144 | sub send { |
171 | sub send { |
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172 | local $AnyEvent::MP::Base::SRCNODE = $_[0]; |
145 | AnyEvent::MP::_inject ($_[1]); |
173 | AnyEvent::MP::Base::_inject (@{ $_[1] }); |
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174 | } |
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175 | |
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176 | sub kill { |
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177 | my ($self, $port, @reason) = @_; |
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178 | |
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179 | delete $AnyEvent::MP::Base::PORT{$port}; |
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180 | delete $AnyEvent::MP::Base::PORT_DATA{$port}; |
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181 | |
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182 | my $mon = delete $AnyEvent::MP::Base::LMON{$port} |
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183 | or !@reason |
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184 | or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason"); |
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185 | |
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186 | $_->(@reason) for values %$mon; |
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187 | } |
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188 | |
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189 | sub monitor { |
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190 | my ($self, $portid, $cb) = @_; |
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191 | |
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192 | return $cb->(no_such_port => "cannot monitor nonexistent port") |
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193 | unless exists $AnyEvent::MP::Base::PORT{$portid}; |
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194 | |
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195 | $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; |
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196 | } |
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197 | |
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198 | sub unmonitor { |
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199 | my ($self, $portid, $cb) = @_; |
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200 | |
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201 | delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0}; |
146 | } |
202 | } |
147 | |
203 | |
148 | =head1 SEE ALSO |
204 | =head1 SEE ALSO |
149 | |
205 | |
150 | L<AnyEvent>. |
206 | L<AnyEvent>. |