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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.4 by root, Sat Aug 1 15:04:30 2009 UTC vs.
Revision 1.8 by root, Tue Aug 4 18:33:30 2009 UTC

… …
13package AnyEvent::MP::Node; 13package AnyEvent::MP::Node;
14 14
15use common::sense; 15use common::sense;
16 16
17use AE (); 17use AE ();
18use AnyEvent::Util ();
18use AnyEvent::Socket (); 19use AnyEvent::Socket ();
19 20
20use AnyEvent::MP::Transport (); 21use AnyEvent::MP::Transport ();
21 22
22use base Exporter::; 23use base Exporter::;
23 24
24our $VERSION = '0.0'; 25our $VERSION = '0.0';
26
27our $DEFAULT_PORT = "4040";
28
29sub normalise_noderef($) {
30 my ($noderef) = @_;
31
32 my $cv = AE::cv;
33 my @res;
34
35 $cv->begin (sub {
36 my %seen;
37 my @refs;
38 for (sort { $a->[0] <=> $b->[0] } @res) {
39 push @refs, $_->[1] unless $seen{$_->[1]}++
40 }
41 shift->send (join ",", @refs);
42 });
43
44 $noderef = $DEFAULT_PORT unless length $noderef;
45
46 my $idx;
47 for my $t (split /,/, $noderef) {
48 my $pri = ++$idx;
49
50 #TODO: this should be outside normalise_noderef and in become_public
51 if ($t =~ /^\d*$/) {
52 require POSIX;
53 my $nodename = (POSIX::uname ())[1];
54
55 $cv->begin;
56 AnyEvent::Socket::resolve_sockaddr $nodename, $t || "aemp=$DEFAULT_PORT", "tcp", 0, undef, sub {
57 for (@_) {
58 my ($service, $host) = AnyEvent::Socket::unpack_sockaddr $_->[3];
59 push @res, [
60 $pri += 1e-5,
61 AnyEvent::Socket::format_hostport AnyEvent::Socket::format_address $host, $service
62 ];
63 }
64 $cv->end;
65 };
66
67# my (undef, undef, undef, undef, @ipv4) = gethostbyname $nodename;
68#
69# for (@ipv4) {
70# push @res, [
71# $pri,
72# AnyEvent::Socket::format_hostport AnyEvent::Socket::format_address $_, $t || $DEFAULT_PORT,
73# ];
74# }
75 } else {
76 my ($host, $port) = AnyEvent::Socket::parse_hostport $t, "aemp=$DEFAULT_PORT"
77 or Carp::croak "$t: unparsable transport descriptor";
78
79 $cv->begin;
80 AnyEvent::Socket::resolve_sockaddr $host, $port, "tcp", 0, undef, sub {
81 for (@_) {
82 my ($service, $host) = AnyEvent::Socket::unpack_sockaddr $_->[3];
83 push @res, [
84 $pri += 1e-5,
85 AnyEvent::Socket::format_hostport AnyEvent::Socket::format_address $host, $service
86 ];
87 }
88 $cv->end;
89 }
90 }
91 }
92
93 $cv->end;
94
95 $cv
96}
25 97
26sub new { 98sub new {
27 my ($class, $noderef) = @_; 99 my ($class, $noderef) = @_;
28 100
29 bless { noderef => $noderef }, $class 101 bless { noderef => $noderef }, $class
… …
44 $self->{queue} = [$msg]; 116 $self->{queue} = [$msg];
45 $self->connect; 117 $self->connect;
46 } 118 }
47} 119}
48 120
121sub kill {
122 my ($self, $port, @reason) = @_;
123
124 $self->send (["", kil => $port, @reason]);
125}
126
127sub monitor {
128 my ($self, $portid, $cb) = @_;
129
130 return $cb->("node failed conenction")
131 if $self->{failed};
132
133 my $list = $self->{lmon}{$portid} ||= [];
134
135 $self->send (["", mon1 => $portid])
136 unless @$list;
137
138 push @$list, $cb;
139}
140
141sub unmonitor {
142 my ($self, $portid, $cb) = @_;
143
144 my $list = $self->{lmon}{$portid}
145 or return;
146
147 @$list = grep $_ != $cb, @$list;
148
149 unless (@$list) {
150 $self->send (["", mon0 => $portid]);
151 delete $self->{monitor}{$portid};
152 }
153}
154
49sub set_transport { 155sub set_transport {
50 my ($self, $transport) = @_; 156 my ($self, $transport) = @_;
51 157
52 delete $self->{trial}; 158 $self->clr_transport
53 delete $self->{next_connect}; 159 if $self->{transport};
54 160
55 if ( 161 if (
56 exists $self->{remote_uniq} 162 exists $self->{remote_uniq}
57 && $self->{remote_uniq} ne $transport->{remote_uniq} 163 && $self->{remote_uniq} ne $transport->{remote_uniq}
58 ) { 164 ) {
59 # uniq changed, drop queue 165 # uniq changed, different node
166 $self->fail ("node restart detected");
167 }
168
169 delete $self->{trial};
170 delete $self->{next_connect};
60 delete $self->{queue}; 171 delete $self->{failed};
61 #TODO: "DOWN"
62 }
63 172
64 $self->{remote_uniq} = $transport->{remote_uniq}; 173 $self->{remote_uniq} = $transport->{remote_uniq};
65 $self->{transport} = $transport; 174 $self->{transport} = $transport;
66 175
67 $transport->send ($_) 176 $transport->send ($_)
68 for @{ delete $self->{queue} || [] }; 177 for @{ delete $self->{queue} || [] };
69} 178}
70 179
180sub fail {
181 my ($self, @reason) = @_;
182
183 delete $self->{queue};
184
185 $self->{failed} = 1;
186
187 if (my $mon = delete $self->{lmon}) {
188 $_->(@reason) for map @$_, values %$mon;
189 }
190}
191
71sub clr_transport { 192sub clr_transport {
72 my ($self) = @_; 193 my ($self, @reason) = @_;
73 194
74 delete $self->{transport}; 195 delete $self->{transport};
75
76 $self->connect; 196 $self->connect;
77} 197}
78 198
79sub connect { 199sub connect {
80 my ($self) = @_; 200 my ($self) = @_;
81 201
82 Scalar::Util::weaken $self; 202 Scalar::Util::weaken $self;
83 203
84 unless (exists $self->{n_noderef}) { 204 unless (exists $self->{n_noderef}) {
205 return if $self->{n_noderef_}++;
85 (AnyEvent::MP::normalise_noderef ($self->{noderef}))->cb (sub { 206 (AnyEvent::MP::Node::normalise_noderef ($self->{noderef}))->cb (sub {
86 $self or return; 207 $self or return;
208 delete $self->{n_noderef_};
87 my $noderef = shift->recv; 209 my $noderef = shift->recv;
88 210
89 $self->{n_noderef} = $noderef; 211 $self->{n_noderef} = $noderef;
90 212
91 $AnyEvent::MP::NODE{$_} = $self 213 $AnyEvent::MP::Base::NODE{$_} = $self
92 for split /,/, $noderef; 214 for split /,/, $noderef;
93 215
94 $self->connect; 216 $self->connect;
95 }); 217 });
96 return; 218 return;
… …
105 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint 227 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
106 or return; 228 or return;
107 229
108 my ($w, $g); 230 my ($w, $g);
109 231
110 $w = AE::timer $AnyEvent::MP::CONNECT_TIMEOUT, 0, sub { 232 $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub {
111 delete $self->{trial}{$endpoint}; 233 delete $self->{trial}{$endpoint};
112 }; 234 };
113 $g = AnyEvent::MP::Transport::mp_connect 235 $g = AnyEvent::MP::Transport::mp_connect
114 $host, $port, 236 $host, $port,
115 sub { 237 sub {
… …
123 }; 245 };
124 } else { 246 } else {
125 delete $self->{retry}; 247 delete $self->{retry};
126 } 248 }
127 249
128 $self->{next_connect} = AE::timer $AnyEvent::MP::CONNECT_INTERVAL, 0, sub { 250 $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub {
129 $self->connect; 251 $self->connect;
130 }; 252 };
131} 253}
132 254
133package AnyEvent::MP::Node::Self; 255package AnyEvent::MP::Node::Self;
… …
137sub set_transport { 259sub set_transport {
138 die "FATAL error, set_transport was called"; 260 die "FATAL error, set_transport was called";
139} 261}
140 262
141sub send { 263sub send {
264 local $AnyEvent::MP::Base::SRCNODE = $_[0];
142 AnyEvent::MP::_inject ($_[1]); 265 AnyEvent::MP::Base::_inject (@{ $_[1] });
266}
267
268sub kill {
269 my ($self, $port, @reason) = @_;
270
271 delete $AnyEvent::MP::Base::PORT{$port};
272 delete $AnyEvent::MP::Base::PORT_DATA{$port};
273
274 my $mon = delete $AnyEvent::MP::Base::LMON{$port}
275 or !@reason
276 or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason");
277
278 $_->(@reason) for values %$mon;
279}
280
281sub monitor {
282 my ($self, $portid, $cb) = @_;
283
284 return $cb->()
285 unless exists $AnyEvent::MP::Base::PORT{$portid};
286
287 $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb;
288}
289
290sub unmonitor {
291 my ($self, $portid, $cb) = @_;
292
293 delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0};
143} 294}
144 295
145=head1 SEE ALSO 296=head1 SEE ALSO
146 297
147L<AnyEvent>. 298L<AnyEvent>.

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