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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::; |
23 | |
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24 | our $VERSION = '0.0'; |
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25 | |
24 | |
26 | sub new { |
25 | sub new { |
27 | my ($class, $noderef) = @_; |
26 | my ($class, $noderef) = @_; |
28 | |
27 | |
29 | bless { noderef => $noderef }, $class |
28 | bless { noderef => $noderef }, $class |
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44 | $self->{queue} = [$msg]; |
43 | $self->{queue} = [$msg]; |
45 | $self->connect; |
44 | $self->connect; |
46 | } |
45 | } |
47 | } |
46 | } |
48 | |
47 | |
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48 | sub kill { |
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49 | my ($self, $port, @reason) = @_; |
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50 | |
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51 | $self->send (["", kil => $port, @reason]); |
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52 | } |
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53 | |
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54 | sub monitor { |
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55 | my ($self, $portid, $cb) = @_; |
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56 | |
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57 | my $list = $self->{lmon}{$portid} ||= []; |
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58 | |
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59 | $self->send (["", mon1 => $portid]) |
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60 | unless @$list; |
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61 | |
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62 | push @$list, $cb; |
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63 | } |
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64 | |
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65 | sub unmonitor { |
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66 | my ($self, $portid, $cb) = @_; |
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67 | |
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68 | my $list = $self->{lmon}{$portid} |
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69 | or return; |
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70 | |
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71 | @$list = grep $_ != $cb, @$list; |
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72 | |
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73 | unless (@$list) { |
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74 | $self->send (["", mon0 => $portid]); |
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75 | delete $self->{monitor}{$portid}; |
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76 | } |
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77 | } |
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78 | |
49 | sub set_transport { |
79 | sub set_transport { |
50 | my ($self, $transport) = @_; |
80 | my ($self, $transport) = @_; |
51 | |
81 | |
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82 | $self->clr_transport |
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83 | if $self->{transport}; |
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84 | |
52 | delete $self->{trial}; |
85 | delete $self->{trial}; |
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86 | delete $self->{retry}; |
53 | delete $self->{next_connect}; |
87 | delete $self->{next_connect}; |
54 | |
88 | |
55 | if ( |
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56 | exists $self->{remote_uniq} |
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57 | && $self->{remote_uniq} ne $transport->{remote_uniq} |
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58 | ) { |
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59 | # uniq changed, drop queue |
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60 | delete $self->{queue}; |
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61 | #TODO: "DOWN" |
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62 | } |
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63 | |
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64 | $self->{remote_uniq} = $transport->{remote_uniq}; |
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65 | $self->{transport} = $transport; |
89 | $self->{transport} = $transport; |
66 | |
90 | |
67 | $transport->send ($_) |
91 | $transport->send ($_) |
68 | for @{ delete $self->{queue} || [] }; |
92 | for @{ delete $self->{queue} || [] }; |
69 | } |
93 | } |
70 | |
94 | |
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95 | sub fail { |
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96 | my ($self, @reason) = @_; |
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97 | |
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98 | delete $self->{queue}; |
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99 | |
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100 | if (my $mon = delete $self->{lmon}) { |
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101 | $_->(@reason) for map @$_, values %$mon; |
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102 | } |
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103 | } |
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104 | |
71 | sub clr_transport { |
105 | sub clr_transport { |
72 | my ($self) = @_; |
106 | my ($self, @reason) = @_; |
73 | |
107 | |
74 | delete $self->{transport}; |
108 | delete $self->{transport}; |
75 | |
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76 | $self->connect; |
109 | $self->connect; |
77 | } |
110 | } |
78 | |
111 | |
79 | sub connect { |
112 | sub connect { |
80 | my ($self) = @_; |
113 | my ($self) = @_; |
81 | |
114 | |
82 | Scalar::Util::weaken $self; |
115 | Scalar::Util::weaken $self; |
83 | |
116 | |
84 | unless (exists $self->{n_noderef}) { |
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85 | (AnyEvent::MP::normalise_noderef ($self->{noderef}))->cb (sub { |
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86 | $self or return; |
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87 | my $noderef = shift->recv; |
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88 | |
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89 | $self->{n_noderef} = $noderef; |
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90 | |
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91 | $AnyEvent::MP::NODE{$_} = $self |
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92 | for split /,/, $noderef; |
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93 | |
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94 | $self->connect; |
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95 | }); |
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96 | return; |
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97 | } |
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98 | |
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99 | $self->{retry} ||= [split /,/, $self->{n_noderef}]; |
117 | $self->{retry} ||= [split /,/, $self->{noderef}]; |
100 | |
118 | |
101 | my $endpoint = shift @{ $self->{retry} }; |
119 | my $endpoint = shift @{ $self->{retry} }; |
102 | |
120 | |
103 | if (defined $endpoint) { |
121 | if (defined $endpoint) { |
104 | $self->{trial}{$endpoint} ||= do { |
122 | $self->{trial}{$endpoint} ||= do { |
105 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
123 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
106 | or return; |
124 | or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference."); |
107 | |
125 | |
108 | my ($w, $g); |
126 | my ($w, $g); |
109 | |
127 | |
110 | $w = AE::timer $AnyEvent::MP::CONNECT_TIMEOUT, 0, sub { |
128 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
111 | delete $self->{trial}{$endpoint}; |
129 | delete $self->{trial}{$endpoint}; |
112 | }; |
130 | }; |
113 | $g = AnyEvent::MP::Transport::mp_connect |
131 | $g = AnyEvent::MP::Transport::mp_connect |
114 | $host, $port, |
132 | $host, $port, |
115 | sub { |
133 | sub { |
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120 | ; |
138 | ; |
121 | |
139 | |
122 | [$w, \$g] |
140 | [$w, \$g] |
123 | }; |
141 | }; |
124 | } else { |
142 | } else { |
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143 | $self->fail (transport_error => $self->{noderef}, "unable to connect"); |
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144 | } |
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145 | |
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146 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
125 | delete $self->{retry}; |
147 | delete $self->{retry}; |
126 | } |
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127 | |
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128 | $self->{next_connect} = AE::timer $AnyEvent::MP::CONNECT_INTERVAL, 0, sub { |
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129 | $self->connect; |
148 | $self->connect; |
130 | }; |
149 | }; |
131 | } |
150 | } |
132 | |
151 | |
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152 | package AnyEvent::MP::Node::Slave; |
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153 | |
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154 | use base "AnyEvent::MP::Node::Direct"; |
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155 | |
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156 | sub connect { |
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157 | my ($self) = @_; |
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158 | |
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159 | $self->fail (transport_error => $self->{noderef}, "unable to connect to slave node"); |
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160 | } |
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161 | |
133 | package AnyEvent::MP::Node::Self; |
162 | package AnyEvent::MP::Node::Self; |
134 | |
163 | |
135 | use base "AnyEvent::MP::Node"; |
164 | use base "AnyEvent::MP::Node"; |
136 | |
165 | |
137 | sub set_transport { |
166 | sub set_transport { |
138 | die "FATAL error, set_transport was called"; |
167 | Carp::confess "FATAL error, set_transport was called on local node"; |
139 | } |
168 | } |
140 | |
169 | |
141 | sub send { |
170 | sub send { |
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171 | local $AnyEvent::MP::Base::SRCNODE = $_[0]; |
142 | AnyEvent::MP::_inject ($_[1]); |
172 | AnyEvent::MP::Base::_inject (@{ $_[1] }); |
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173 | } |
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174 | |
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175 | sub kill { |
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176 | my ($self, $port, @reason) = @_; |
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177 | |
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178 | delete $AnyEvent::MP::Base::PORT{$port}; |
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179 | delete $AnyEvent::MP::Base::PORT_DATA{$port}; |
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180 | |
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181 | my $mon = delete $AnyEvent::MP::Base::LMON{$port} |
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182 | or !@reason |
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183 | or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason"); |
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184 | |
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185 | $_->(@reason) for values %$mon; |
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186 | } |
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187 | |
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188 | sub monitor { |
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189 | my ($self, $portid, $cb) = @_; |
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190 | |
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191 | return $cb->(no_such_port => "cannot monitor nonexistent port") |
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192 | unless exists $AnyEvent::MP::Base::PORT{$portid}; |
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193 | |
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194 | $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; |
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195 | } |
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196 | |
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197 | sub unmonitor { |
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198 | my ($self, $portid, $cb) = @_; |
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199 | |
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200 | delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0}; |
143 | } |
201 | } |
144 | |
202 | |
145 | =head1 SEE ALSO |
203 | =head1 SEE ALSO |
146 | |
204 | |
147 | L<AnyEvent>. |
205 | L<AnyEvent>. |