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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.6 by root, Mon Aug 3 21:35:03 2009 UTC vs.
Revision 1.16 by root, Sun Aug 9 16:08:16 2009 UTC

… …
19use AnyEvent::Socket (); 19use AnyEvent::Socket ();
20 20
21use AnyEvent::MP::Transport (); 21use AnyEvent::MP::Transport ();
22 22
23use base Exporter::; 23use base Exporter::;
24
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 $cv
96}
97 24
98sub new { 25sub new {
99 my ($class, $noderef) = @_; 26 my ($class, $noderef) = @_;
100 27
101 bless { noderef => $noderef }, $class 28 bless { noderef => $noderef }, $class
… …
116 $self->{queue} = [$msg]; 43 $self->{queue} = [$msg];
117 $self->connect; 44 $self->connect;
118 } 45 }
119} 46}
120 47
48sub kill {
49 my ($self, $port, @reason) = @_;
50
51 $self->send (["", kil => $port, @reason]);
52}
53
121sub monitor { 54sub monitor {
122 my ($self, $portid, $cb) = @_; 55 my ($self, $portid, $cb) = @_;
123
124 return $cb->()
125 if $self->{failed};
126 56
127 my $list = $self->{lmon}{$portid} ||= []; 57 my $list = $self->{lmon}{$portid} ||= [];
128 58
129 $self->send (["", mon1 => $portid]) 59 $self->send (["", mon1 => $portid])
130 unless @$list; 60 unless @$list;
… …
151 81
152 $self->clr_transport 82 $self->clr_transport
153 if $self->{transport}; 83 if $self->{transport};
154 84
155 delete $self->{trial}; 85 delete $self->{trial};
86 delete $self->{retry};
156 delete $self->{next_connect}; 87 delete $self->{next_connect};
157 delete $self->{failed};
158 88
159 if (
160 exists $self->{remote_uniq}
161 && $self->{remote_uniq} ne $transport->{remote_uniq}
162 ) {
163 # uniq changed, drop queue
164 delete $self->{queue};
165 #TODO: "DOWN"
166 }
167
168 $self->{remote_uniq} = $transport->{remote_uniq};
169 $self->{transport} = $transport; 89 $self->{transport} = $transport;
170 90
171 $transport->send ($_) 91 $transport->send ($_)
172 for @{ delete $self->{queue} || [] }; 92 for @{ delete $self->{queue} || [] };
173} 93}
174 94
95sub fail {
96 my ($self, @reason) = @_;
97
98 delete $self->{queue};
99
100 if (my $mon = delete $self->{lmon}) {
101 $_->(@reason) for map @$_, values %$mon;
102 }
103}
104
175sub clr_transport { 105sub clr_transport {
176 my ($self) = @_; 106 my ($self, @reason) = @_;
177 107
178 delete $self->{transport}; 108 delete $self->{transport};
179 $self->{failed} = 1;
180
181 if (my $mon = delete $self->{monitor}) {
182 $_->() for map @$_, values %$mon;
183 }
184
185 $self->connect; 109 $self->connect;
186} 110}
187 111
188sub connect { 112sub connect {
189 my ($self) = @_; 113 my ($self) = @_;
190 114
191 Scalar::Util::weaken $self; 115 Scalar::Util::weaken $self;
192 116
193 unless (exists $self->{n_noderef}) {
194 return if $self->{n_noderef_}++;
195 (AnyEvent::MP::Node::normalise_noderef ($self->{noderef}))->cb (sub {
196 $self or return;
197 delete $self->{n_noderef_};
198 my $noderef = shift->recv;
199
200 $self->{n_noderef} = $noderef;
201
202 $AnyEvent::MP::Base::NODE{$_} = $self
203 for split /,/, $noderef;
204
205 $self->connect;
206 });
207 return;
208 }
209
210 $self->{retry} ||= [split /,/, $self->{n_noderef}]; 117 $self->{retry} ||= [split /,/, $self->{noderef}];
211 118
212 my $endpoint = shift @{ $self->{retry} }; 119 my $endpoint = shift @{ $self->{retry} };
213 120
214 if (defined $endpoint) { 121 if (defined $endpoint) {
215 $self->{trial}{$endpoint} ||= do { 122 $self->{trial}{$endpoint} ||= do {
216 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint 123 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
217 or return; 124 or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference.");
218 125
219 my ($w, $g); 126 my ($w, $g);
220 127
221 $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { 128 $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub {
222 delete $self->{trial}{$endpoint}; 129 delete $self->{trial}{$endpoint};
… …
231 ; 138 ;
232 139
233 [$w, \$g] 140 [$w, \$g]
234 }; 141 };
235 } else { 142 } else {
143 $self->fail (transport_error => $self->{noderef}, "unable to connect");
144 }
145
146 $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub {
236 delete $self->{retry}; 147 delete $self->{retry};
237 }
238
239 $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub {
240 $self->connect; 148 $self->connect;
241 }; 149 };
242} 150}
243 151
152package AnyEvent::MP::Node::Slave;
153
154use base "AnyEvent::MP::Node::Direct";
155
156sub connect {
157 my ($self) = @_;
158
159 $self->fail (transport_error => $self->{noderef}, "unable to connect to slave node");
160}
161
244package AnyEvent::MP::Node::Self; 162package AnyEvent::MP::Node::Self;
245 163
246use base "AnyEvent::MP::Node"; 164use base "AnyEvent::MP::Node";
247 165
248sub set_transport { 166sub set_transport {
249 die "FATAL error, set_transport was called"; 167 Carp::confess "FATAL error, set_transport was called on local node";
250} 168}
251 169
252sub send { 170sub send {
253 local $AnyEvent::MP::Base::SRCNODE = $_[0]; 171 local $AnyEvent::MP::Base::SRCNODE = $_[0];
254 AnyEvent::MP::Base::_inject (@{ $_[1] }); 172 AnyEvent::MP::Base::_inject (@{ $_[1] });
255} 173}
256 174
175sub kill {
176 my ($self, $port, @reason) = @_;
177
178 delete $AnyEvent::MP::Base::PORT{$port};
179 delete $AnyEvent::MP::Base::PORT_DATA{$port};
180
181 my $mon = delete $AnyEvent::MP::Base::LMON{$port}
182 or !@reason
183 or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason");
184
185 $_->(@reason) for values %$mon;
186}
187
257sub monitor { 188sub monitor {
258 my ($self, $portid, $cb) = @_; 189 my ($self, $portid, $cb) = @_;
259 190
260 return $cb->() 191 return $cb->(no_such_port => "cannot monitor nonexistent port")
261 unless exists $AnyEvent::MP::Base::PORT{$portid}; 192 unless exists $AnyEvent::MP::Base::PORT{$portid};
262 193
263 $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; 194 $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb;
264} 195}
265 196

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