… | |
… | |
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 (); |
|
|
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::; |
… | |
… | |
44 | $self->{queue} = [$msg]; |
45 | $self->{queue} = [$msg]; |
45 | $self->connect; |
46 | $self->connect; |
46 | } |
47 | } |
47 | } |
48 | } |
48 | |
49 | |
|
|
50 | sub kill { |
|
|
51 | my ($self, $port, @reason) = @_; |
|
|
52 | |
|
|
53 | $self->send (["", kil => $port, @reason]); |
|
|
54 | } |
|
|
55 | |
|
|
56 | sub monitor { |
|
|
57 | my ($self, $portid, $cb) = @_; |
|
|
58 | |
|
|
59 | return $cb->(transport_error => "node unreachable") |
|
|
60 | if $self->{failed}; |
|
|
61 | |
|
|
62 | my $list = $self->{lmon}{$portid} ||= []; |
|
|
63 | |
|
|
64 | $self->send (["", mon1 => $portid]) |
|
|
65 | unless @$list; |
|
|
66 | |
|
|
67 | push @$list, $cb; |
|
|
68 | } |
|
|
69 | |
|
|
70 | sub unmonitor { |
|
|
71 | my ($self, $portid, $cb) = @_; |
|
|
72 | |
|
|
73 | my $list = $self->{lmon}{$portid} |
|
|
74 | or return; |
|
|
75 | |
|
|
76 | @$list = grep $_ != $cb, @$list; |
|
|
77 | |
|
|
78 | unless (@$list) { |
|
|
79 | $self->send (["", mon0 => $portid]); |
|
|
80 | delete $self->{monitor}{$portid}; |
|
|
81 | } |
|
|
82 | } |
|
|
83 | |
49 | sub set_transport { |
84 | sub set_transport { |
50 | my ($self, $transport) = @_; |
85 | my ($self, $transport) = @_; |
51 | |
86 | |
52 | delete $self->{trial}; |
87 | $self->clr_transport |
53 | delete $self->{next_connect}; |
88 | if $self->{transport}; |
54 | |
89 | |
55 | if ( |
90 | if ( |
56 | exists $self->{remote_uniq} |
91 | exists $self->{remote_uniq} |
57 | && $self->{remote_uniq} ne $transport->{remote_uniq} |
92 | && $self->{remote_uniq} ne $transport->{remote_uniq} |
58 | ) { |
93 | ) { |
59 | # uniq changed, drop queue |
94 | # uniq changed, different node |
|
|
95 | $self->fail ("node restart detected"); |
|
|
96 | } |
|
|
97 | |
|
|
98 | delete $self->{trial}; |
|
|
99 | delete $self->{next_connect}; |
60 | delete $self->{queue}; |
100 | delete $self->{failed}; |
61 | #TODO: "DOWN" |
|
|
62 | } |
|
|
63 | |
101 | |
64 | $self->{remote_uniq} = $transport->{remote_uniq}; |
102 | $self->{remote_uniq} = $transport->{remote_uniq}; |
65 | $self->{transport} = $transport; |
103 | $self->{transport} = $transport; |
66 | |
104 | |
67 | $transport->send ($_) |
105 | $transport->send ($_) |
68 | for @{ delete $self->{queue} || [] }; |
106 | for @{ delete $self->{queue} || [] }; |
69 | } |
107 | } |
70 | |
108 | |
|
|
109 | sub fail { |
|
|
110 | my ($self, @reason) = @_; |
|
|
111 | |
|
|
112 | delete $self->{queue}; |
|
|
113 | |
|
|
114 | $self->{failed} = 1; |
|
|
115 | |
|
|
116 | if (my $mon = delete $self->{lmon}) { |
|
|
117 | $_->(@reason) for map @$_, values %$mon; |
|
|
118 | } |
|
|
119 | } |
|
|
120 | |
71 | sub clr_transport { |
121 | sub clr_transport { |
72 | my ($self) = @_; |
122 | my ($self, @reason) = @_; |
73 | |
123 | |
74 | delete $self->{transport}; |
124 | delete $self->{transport}; |
75 | warn "clr_transport\n"; |
125 | $self->connect; |
76 | } |
126 | } |
77 | |
127 | |
78 | sub connect { |
128 | sub connect { |
79 | my ($self) = @_; |
129 | my ($self) = @_; |
80 | |
130 | |
81 | Scalar::Util::weaken $self; |
131 | Scalar::Util::weaken $self; |
82 | |
132 | |
83 | unless (exists $self->{n_noderef}) { |
|
|
84 | (AnyEvent::MP::normalise_noderef ($self->{noderef}))->cb (sub { |
|
|
85 | $self or return; |
|
|
86 | my $noderef = shift->recv; |
|
|
87 | |
|
|
88 | $self->{n_noderef} = $noderef; |
|
|
89 | |
|
|
90 | $AnyEvent::MP::NODE{$_} = $self |
|
|
91 | for split /,/, $noderef; |
|
|
92 | |
|
|
93 | $self->connect; |
|
|
94 | }); |
|
|
95 | return; |
|
|
96 | } |
|
|
97 | |
|
|
98 | $self->{retry} ||= [split /,/, $self->{n_noderef}]; |
133 | $self->{retry} ||= [split /,/, $self->{noderef}]; |
99 | |
134 | |
100 | my $endpoint = shift @{ $self->{retry} }; |
135 | my $endpoint = shift @{ $self->{retry} }; |
101 | |
136 | |
102 | if (defined $endpoint) { |
137 | if (defined $endpoint) { |
103 | $self->{trial}{$endpoint} ||= do { |
138 | $self->{trial}{$endpoint} ||= do { |
104 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
139 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
105 | or return; |
140 | or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference."); |
106 | |
141 | |
107 | my ($w, $g); |
142 | my ($w, $g); |
108 | |
143 | |
109 | $w = AE::timer $AnyEvent::MP::CONNECT_TIMEOUT, 0, sub { |
144 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
110 | delete $self->{trial}{$endpoint}; |
145 | delete $self->{trial}{$endpoint}; |
111 | }; |
146 | }; |
112 | $g = AnyEvent::MP::Transport::mp_connect |
147 | $g = AnyEvent::MP::Transport::mp_connect |
113 | $host, $port, |
148 | $host, $port, |
114 | sub { |
149 | sub { |
… | |
… | |
120 | |
155 | |
121 | [$w, \$g] |
156 | [$w, \$g] |
122 | }; |
157 | }; |
123 | } else { |
158 | } else { |
124 | delete $self->{retry}; |
159 | delete $self->{retry}; |
|
|
160 | $self->fail (transport_error => $self->{noderef}, "unable to connect"); |
125 | } |
161 | } |
126 | |
162 | |
127 | $self->{next_connect} = AE::timer $AnyEvent::MP::CONNECT_INTERVAL, 0, sub { |
163 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
128 | $self->connect; |
164 | $self->connect; |
129 | }; |
165 | }; |
130 | } |
166 | } |
131 | |
167 | |
132 | package AnyEvent::MP::Node::Self; |
168 | package AnyEvent::MP::Node::Self; |
133 | |
169 | |
134 | use base "AnyEvent::MP::Node"; |
170 | use base "AnyEvent::MP::Node"; |
135 | |
171 | |
136 | sub set_transport { |
172 | sub set_transport { |
137 | die "FATAL error, set_transport was called"; |
173 | Carp::confess "FATAL error, set_transport was called on local node"; |
138 | } |
174 | } |
139 | |
175 | |
140 | sub send { |
176 | sub send { |
141 | die "self-send not implemented yet\n";#d# |
177 | local $AnyEvent::MP::Base::SRCNODE = $_[0]; |
|
|
178 | AnyEvent::MP::Base::_inject (@{ $_[1] }); |
|
|
179 | } |
|
|
180 | |
|
|
181 | sub kill { |
|
|
182 | my ($self, $port, @reason) = @_; |
|
|
183 | |
|
|
184 | delete $AnyEvent::MP::Base::PORT{$port}; |
|
|
185 | delete $AnyEvent::MP::Base::PORT_DATA{$port}; |
|
|
186 | |
|
|
187 | my $mon = delete $AnyEvent::MP::Base::LMON{$port} |
|
|
188 | or !@reason |
|
|
189 | or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason"); |
|
|
190 | |
|
|
191 | $_->(@reason) for values %$mon; |
|
|
192 | } |
|
|
193 | |
|
|
194 | sub monitor { |
|
|
195 | my ($self, $portid, $cb) = @_; |
|
|
196 | |
|
|
197 | return $cb->() |
|
|
198 | unless exists $AnyEvent::MP::Base::PORT{$portid}; |
|
|
199 | |
|
|
200 | $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; |
|
|
201 | } |
|
|
202 | |
|
|
203 | sub unmonitor { |
|
|
204 | my ($self, $portid, $cb) = @_; |
|
|
205 | |
|
|
206 | delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0}; |
142 | } |
207 | } |
143 | |
208 | |
144 | =head1 SEE ALSO |
209 | =head1 SEE ALSO |
145 | |
210 | |
146 | L<AnyEvent>. |
211 | L<AnyEvent>. |