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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.7 by root, Tue Aug 4 14:10:51 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 }, $class
… …
120 47
121sub kill { 48sub kill {
122 my ($self, $port, @reason) = @_; 49 my ($self, $port, @reason) = @_;
123 50
124 $self->send (["", kil => $port, @reason]); 51 $self->send (["", kil => $port, @reason]);
125
126# delete $AnyEvent::MP::Base::PORT{$port};
127
128# my $mon = delete $AnyEvent::MP::Base::LMON{$port}
129# or return;
130
131# $_->(@reason) for values %$mon;
132} 52}
133 53
134sub monitor { 54sub monitor {
135 my ($self, $portid, $cb) = @_; 55 my ($self, $portid, $cb) = @_;
136
137 return $cb->()
138 if $self->{failed};
139 56
140 my $list = $self->{lmon}{$portid} ||= []; 57 my $list = $self->{lmon}{$portid} ||= [];
141 58
142 $self->send (["", mon1 => $portid]) 59 $self->send (["", mon1 => $portid])
143 unless @$list; 60 unless @$list;
… …
164 81
165 $self->clr_transport 82 $self->clr_transport
166 if $self->{transport}; 83 if $self->{transport};
167 84
168 delete $self->{trial}; 85 delete $self->{trial};
86 delete $self->{retry};
169 delete $self->{next_connect}; 87 delete $self->{next_connect};
170 delete $self->{failed};
171 88
172 if (
173 exists $self->{remote_uniq}
174 && $self->{remote_uniq} ne $transport->{remote_uniq}
175 ) {
176 # uniq changed, drop queue
177 delete $self->{queue};
178 #TODO: "DOWN"
179 }
180
181 $self->{remote_uniq} = $transport->{remote_uniq};
182 $self->{transport} = $transport; 89 $self->{transport} = $transport;
183 90
184 $transport->send ($_) 91 $transport->send ($_)
185 for @{ delete $self->{queue} || [] }; 92 for @{ delete $self->{queue} || [] };
186} 93}
187 94
95sub fail {
96 my ($self, @reason) = @_;
97
98 delete $self->{queue};
99
100 if (my $mon = delete $self->{lmon}) {
101 $_->(@reason) for map @$_, values %$mon;
102 }
103}
104
188sub clr_transport { 105sub clr_transport {
189 my ($self) = @_; 106 my ($self, @reason) = @_;
190 107
191 delete $self->{transport}; 108 delete $self->{transport};
192 $self->{failed} = 1;
193
194 if (my $mon = delete $self->{monitor}) {
195 $_->() for map @$_, values %$mon;
196 }
197
198 $self->connect; 109 $self->connect;
199} 110}
200 111
201sub connect { 112sub connect {
202 my ($self) = @_; 113 my ($self) = @_;
203 114
204 Scalar::Util::weaken $self; 115 Scalar::Util::weaken $self;
205 116
206 unless (exists $self->{n_noderef}) {
207 return if $self->{n_noderef_}++;
208 (AnyEvent::MP::Node::normalise_noderef ($self->{noderef}))->cb (sub {
209 $self or return;
210 delete $self->{n_noderef_};
211 my $noderef = shift->recv;
212
213 $self->{n_noderef} = $noderef;
214
215 $AnyEvent::MP::Base::NODE{$_} = $self
216 for split /,/, $noderef;
217
218 $self->connect;
219 });
220 return;
221 }
222
223 $self->{retry} ||= [split /,/, $self->{n_noderef}]; 117 $self->{retry} ||= [split /,/, $self->{noderef}];
224 118
225 my $endpoint = shift @{ $self->{retry} }; 119 my $endpoint = shift @{ $self->{retry} };
226 120
227 if (defined $endpoint) { 121 if (defined $endpoint) {
228 $self->{trial}{$endpoint} ||= do { 122 $self->{trial}{$endpoint} ||= do {
229 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint 123 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
230 or return; 124 or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference.");
231 125
232 my ($w, $g); 126 my ($w, $g);
233 127
234 $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub { 128 $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub {
235 delete $self->{trial}{$endpoint}; 129 delete $self->{trial}{$endpoint};
… …
244 ; 138 ;
245 139
246 [$w, \$g] 140 [$w, \$g]
247 }; 141 };
248 } 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 {
249 delete $self->{retry}; 147 delete $self->{retry};
250 }
251
252 $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub {
253 $self->connect; 148 $self->connect;
254 }; 149 };
255} 150}
256 151
152package AnyEvent::MP::Node::Slave;
153
154use base "AnyEvent::MP::Node::Direct";
155
156sub connect {
157 my ($self) = @_;
158
159 $self->fail (transport_error => $self->{noderef}, "unable to connect to slave node");
160}
161
257package AnyEvent::MP::Node::Self; 162package AnyEvent::MP::Node::Self;
258 163
259use base "AnyEvent::MP::Node"; 164use base "AnyEvent::MP::Node";
260 165
261sub set_transport { 166sub set_transport {
262 die "FATAL error, set_transport was called"; 167 Carp::confess "FATAL error, set_transport was called on local node";
263} 168}
264 169
265sub send { 170sub send {
266 local $AnyEvent::MP::Base::SRCNODE = $_[0]; 171 local $AnyEvent::MP::Base::SRCNODE = $_[0];
267 AnyEvent::MP::Base::_inject (@{ $_[1] }); 172 AnyEvent::MP::Base::_inject (@{ $_[1] });
… …
269 174
270sub kill { 175sub kill {
271 my ($self, $port, @reason) = @_; 176 my ($self, $port, @reason) = @_;
272 177
273 delete $AnyEvent::MP::Base::PORT{$port}; 178 delete $AnyEvent::MP::Base::PORT{$port};
179 delete $AnyEvent::MP::Base::PORT_DATA{$port};
274 180
275 my $mon = delete $AnyEvent::MP::Base::LMON{$port} 181 my $mon = delete $AnyEvent::MP::Base::LMON{$port}
276 or return; 182 or !@reason
183 or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason");
277 184
278 $_->(@reason) for values %$mon; 185 $_->(@reason) for values %$mon;
279} 186}
280 187
281sub monitor { 188sub monitor {
282 my ($self, $portid, $cb) = @_; 189 my ($self, $portid, $cb) = @_;
283 190
284 return $cb->() 191 return $cb->(no_such_port => "cannot monitor nonexistent port")
285 unless exists $AnyEvent::MP::Base::PORT{$portid}; 192 unless exists $AnyEvent::MP::Base::PORT{$portid};
286 193
287 $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; 194 $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb;
288} 195}
289 196

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