… | |
… | |
17 | use AE (); |
17 | use AE (); |
18 | use AnyEvent::Util (); |
18 | use AnyEvent::Util (); |
19 | use AnyEvent::Socket (); |
19 | use AnyEvent::Socket (); |
20 | |
20 | |
21 | use AnyEvent::MP::Transport (); |
21 | use AnyEvent::MP::Transport (); |
22 | |
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23 | use base Exporter::; |
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24 | |
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25 | our $VERSION = '0.0'; |
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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 | $cv |
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96 | } |
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97 | |
22 | |
98 | sub new { |
23 | sub new { |
99 | my ($class, $noderef) = @_; |
24 | my ($class, $noderef) = @_; |
100 | |
25 | |
101 | bless { noderef => $noderef }, $class |
26 | bless { noderef => $noderef }, $class |
… | |
… | |
125 | } |
50 | } |
126 | |
51 | |
127 | sub monitor { |
52 | sub monitor { |
128 | my ($self, $portid, $cb) = @_; |
53 | my ($self, $portid, $cb) = @_; |
129 | |
54 | |
130 | return $cb->("node failed conenction") |
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131 | if $self->{failed}; |
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132 | |
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133 | my $list = $self->{lmon}{$portid} ||= []; |
55 | my $list = $self->{lmon}{$portid} ||= []; |
134 | |
56 | |
135 | $self->send (["", mon1 => $portid]) |
57 | $self->send (["", mon1 => $portid]) |
136 | unless @$list; |
58 | unless @$list; |
137 | |
59 | |
… | |
… | |
156 | my ($self, $transport) = @_; |
78 | my ($self, $transport) = @_; |
157 | |
79 | |
158 | $self->clr_transport |
80 | $self->clr_transport |
159 | if $self->{transport}; |
81 | if $self->{transport}; |
160 | |
82 | |
161 | if ( |
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162 | exists $self->{remote_uniq} |
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163 | && $self->{remote_uniq} ne $transport->{remote_uniq} |
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164 | ) { |
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165 | # uniq changed, different node |
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166 | $self->fail ("node restart detected"); |
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167 | } |
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168 | |
|
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169 | delete $self->{trial}; |
83 | delete $self->{trial}; |
|
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84 | delete $self->{retry}; |
170 | delete $self->{next_connect}; |
85 | delete $self->{next_connect}; |
171 | delete $self->{failed}; |
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172 | |
86 | |
173 | $self->{remote_uniq} = $transport->{remote_uniq}; |
|
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174 | $self->{transport} = $transport; |
87 | $self->{transport} = $transport; |
175 | |
88 | |
176 | $transport->send ($_) |
89 | $transport->send ($_) |
177 | for @{ delete $self->{queue} || [] }; |
90 | for @{ delete $self->{queue} || [] }; |
178 | } |
91 | } |
179 | |
92 | |
180 | sub fail { |
93 | sub fail { |
181 | my ($self, @reason) = @_; |
94 | my ($self, @reason) = @_; |
182 | |
95 | |
183 | delete $self->{queue}; |
96 | delete $self->{queue}; |
184 | |
97 | |
185 | $self->{failed} = 1; |
|
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186 | |
|
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187 | if (my $mon = delete $self->{lmon}) { |
98 | if (my $mon = delete $self->{lmon}) { |
188 | $_->(@reason) for map @$_, values %$mon; |
99 | $_->(@reason) for map @$_, values %$mon; |
189 | } |
100 | } |
190 | } |
101 | } |
191 | |
102 | |
… | |
… | |
199 | sub connect { |
110 | sub connect { |
200 | my ($self) = @_; |
111 | my ($self) = @_; |
201 | |
112 | |
202 | Scalar::Util::weaken $self; |
113 | Scalar::Util::weaken $self; |
203 | |
114 | |
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}]; |
115 | $self->{retry} ||= [split /,/, $self->{noderef}]; |
222 | |
116 | |
223 | my $endpoint = shift @{ $self->{retry} }; |
117 | my $endpoint = shift @{ $self->{retry} }; |
224 | |
118 | |
225 | if (defined $endpoint) { |
119 | if (defined $endpoint) { |
226 | $self->{trial}{$endpoint} ||= do { |
120 | $self->{trial}{$endpoint} ||= do { |
227 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
121 | my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint |
228 | or return; |
122 | or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference."); |
229 | |
123 | |
230 | my ($w, $g); |
124 | my ($w, $g); |
231 | |
125 | |
232 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
126 | $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { |
233 | delete $self->{trial}{$endpoint}; |
127 | delete $self->{trial}{$endpoint}; |
… | |
… | |
242 | ; |
136 | ; |
243 | |
137 | |
244 | [$w, \$g] |
138 | [$w, \$g] |
245 | }; |
139 | }; |
246 | } else { |
140 | } else { |
|
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141 | $self->fail (transport_error => $self->{noderef}, "unable to connect"); |
|
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142 | } |
|
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143 | |
|
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144 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
247 | delete $self->{retry}; |
145 | delete $self->{retry}; |
248 | } |
|
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249 | |
|
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250 | $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { |
|
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251 | $self->connect; |
146 | $self->connect; |
252 | }; |
147 | }; |
253 | } |
148 | } |
254 | |
149 | |
|
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150 | package AnyEvent::MP::Node::Slave; |
|
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151 | |
|
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152 | use base "AnyEvent::MP::Node::Direct"; |
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153 | |
|
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154 | sub connect { |
|
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155 | my ($self) = @_; |
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156 | |
|
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157 | $self->fail (transport_error => $self->{noderef}, "unable to connect to slave node"); |
|
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158 | } |
|
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159 | |
255 | package AnyEvent::MP::Node::Self; |
160 | package AnyEvent::MP::Node::Self; |
256 | |
161 | |
257 | use base "AnyEvent::MP::Node"; |
162 | use base "AnyEvent::MP::Node"; |
258 | |
163 | |
259 | sub set_transport { |
164 | sub set_transport { |
260 | die "FATAL error, set_transport was called"; |
165 | Carp::confess "FATAL error, set_transport was called on local node"; |
261 | } |
166 | } |
262 | |
167 | |
263 | sub send { |
168 | sub send { |
264 | local $AnyEvent::MP::Base::SRCNODE = $_[0]; |
169 | local $AnyEvent::MP::Base::SRCNODE = $_[0]; |
265 | AnyEvent::MP::Base::_inject (@{ $_[1] }); |
170 | AnyEvent::MP::Base::_inject (@{ $_[1] }); |
… | |
… | |
279 | } |
184 | } |
280 | |
185 | |
281 | sub monitor { |
186 | sub monitor { |
282 | my ($self, $portid, $cb) = @_; |
187 | my ($self, $portid, $cb) = @_; |
283 | |
188 | |
284 | return $cb->() |
189 | return $cb->(no_such_port => "cannot monitor nonexistent port") |
285 | unless exists $AnyEvent::MP::Base::PORT{$portid}; |
190 | unless exists $AnyEvent::MP::Base::PORT{$portid}; |
286 | |
191 | |
287 | $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; |
192 | $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; |
288 | } |
193 | } |
289 | |
194 | |
… | |
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293 | delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0}; |
198 | delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0}; |
294 | } |
199 | } |
295 | |
200 | |
296 | =head1 SEE ALSO |
201 | =head1 SEE ALSO |
297 | |
202 | |
298 | L<AnyEvent>. |
203 | L<AnyEvent::MP>. |
299 | |
204 | |
300 | =head1 AUTHOR |
205 | =head1 AUTHOR |
301 | |
206 | |
302 | Marc Lehmann <schmorp@schmorp.de> |
207 | Marc Lehmann <schmorp@schmorp.de> |
303 | http://home.schmorp.de/ |
208 | http://home.schmorp.de/ |