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21 | use AnyEvent::MP::Transport (); |
21 | use AnyEvent::MP::Transport (); |
22 | |
22 | |
23 | use base Exporter::; |
23 | use base Exporter::; |
24 | |
24 | |
25 | our $VERSION = '0.0'; |
25 | our $VERSION = '0.0'; |
26 | |
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27 | our $DEFAULT_PORT = "4040"; |
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28 | |
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29 | sub normalise_noderef($) { |
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30 | my ($noderef) = @_; |
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31 | |
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32 | my $cv = AE::cv; |
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33 | my @res; |
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34 | |
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35 | $cv->begin (sub { |
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36 | my %seen; |
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37 | my @refs; |
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38 | for (sort { $a->[0] <=> $b->[0] } @res) { |
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39 | push @refs, $_->[1] unless $seen{$_->[1]}++ |
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40 | } |
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41 | shift->send (join ",", @refs); |
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42 | }); |
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43 | |
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44 | $noderef = $DEFAULT_PORT unless length $noderef; |
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45 | |
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46 | my $idx; |
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47 | for my $t (split /,/, $noderef) { |
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48 | my $pri = ++$idx; |
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49 | |
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50 | #TODO: this should be outside normalise_noderef and in become_public |
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51 | if ($t =~ /^\d*$/) { |
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52 | require POSIX; |
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53 | my $nodename = (POSIX::uname ())[1]; |
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54 | |
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55 | $cv->begin; |
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56 | AnyEvent::Socket::resolve_sockaddr $nodename, $t || "aemp=$DEFAULT_PORT", "tcp", 0, undef, sub { |
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57 | for (@_) { |
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58 | my ($service, $host) = AnyEvent::Socket::unpack_sockaddr $_->[3]; |
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59 | push @res, [ |
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60 | $pri += 1e-5, |
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61 | AnyEvent::Socket::format_hostport AnyEvent::Socket::format_address $host, $service |
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62 | ]; |
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63 | } |
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64 | $cv->end; |
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65 | }; |
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66 | |
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67 | # my (undef, undef, undef, undef, @ipv4) = gethostbyname $nodename; |
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68 | # |
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69 | # for (@ipv4) { |
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70 | # push @res, [ |
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71 | # $pri, |
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72 | # AnyEvent::Socket::format_hostport AnyEvent::Socket::format_address $_, $t || $DEFAULT_PORT, |
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73 | # ]; |
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74 | # } |
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75 | } else { |
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76 | my ($host, $port) = AnyEvent::Socket::parse_hostport $t, "aemp=$DEFAULT_PORT" |
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77 | or Carp::croak "$t: unparsable transport descriptor"; |
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78 | |
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79 | $cv->begin; |
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80 | AnyEvent::Socket::resolve_sockaddr $host, $port, "tcp", 0, undef, sub { |
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81 | for (@_) { |
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82 | my ($service, $host) = AnyEvent::Socket::unpack_sockaddr $_->[3]; |
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83 | push @res, [ |
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84 | $pri += 1e-5, |
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85 | AnyEvent::Socket::format_hostport AnyEvent::Socket::format_address $host, $service |
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86 | ]; |
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87 | } |
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88 | $cv->end; |
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89 | } |
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90 | } |
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91 | } |
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92 | |
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93 | $cv->end; |
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94 | |
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95 | $cv |
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96 | } |
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97 | |
26 | |
98 | sub new { |
27 | sub new { |
99 | my ($class, $noderef) = @_; |
28 | my ($class, $noderef) = @_; |
100 | |
29 | |
101 | bless { noderef => $noderef }, $class |
30 | bless { noderef => $noderef }, $class |
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199 | sub connect { |
128 | sub connect { |
200 | my ($self) = @_; |
129 | my ($self) = @_; |
201 | |
130 | |
202 | Scalar::Util::weaken $self; |
131 | Scalar::Util::weaken $self; |
203 | |
132 | |
204 | unless (exists $self->{n_noderef}) { |
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205 | return if $self->{n_noderef_}++; |
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206 | (AnyEvent::MP::Node::normalise_noderef ($self->{noderef}))->cb (sub { |
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207 | $self or return; |
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208 | delete $self->{n_noderef_}; |
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209 | my $noderef = shift->recv; |
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210 | |
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211 | $self->{n_noderef} = $noderef; |
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212 | |
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213 | $AnyEvent::MP::Base::NODE{$_} = $self |
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214 | for split /,/, $noderef; |
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215 | |
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216 | $self->connect; |
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217 | }); |
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218 | return; |
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219 | } |
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220 | |
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221 | $self->{retry} ||= [split /,/, $self->{n_noderef}]; |
133 | $self->{retry} ||= [split /,/, $self->{noderef}]; |
222 | |
134 | |
223 | my $endpoint = shift @{ $self->{retry} }; |
135 | my $endpoint = shift @{ $self->{retry} }; |
224 | |
136 | |
225 | if (defined $endpoint) { |
137 | if (defined $endpoint) { |
226 | $self->{trial}{$endpoint} ||= do { |
138 | $self->{trial}{$endpoint} ||= do { |
227 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
139 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
228 | or return; |
140 | or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference."); |
229 | |
141 | |
230 | my ($w, $g); |
142 | my ($w, $g); |
231 | |
143 | |
232 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
144 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
233 | delete $self->{trial}{$endpoint}; |
145 | delete $self->{trial}{$endpoint}; |
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243 | |
155 | |
244 | [$w, \$g] |
156 | [$w, \$g] |
245 | }; |
157 | }; |
246 | } else { |
158 | } else { |
247 | delete $self->{retry}; |
159 | delete $self->{retry}; |
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160 | $self->fail (transport_error => $self->{noderef}, "unable to connect"); |
248 | } |
161 | } |
249 | |
162 | |
250 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
163 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
251 | $self->connect; |
164 | $self->connect; |
252 | }; |
165 | }; |