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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.12 by root, Wed Aug 5 19:55:58 2009 UTC vs.
Revision 1.18 by root, Wed Aug 12 21:39:59 2009 UTC

… …
18use AnyEvent::Util (); 18use AnyEvent::Util ();
19use AnyEvent::Socket (); 19use AnyEvent::Socket ();
20 20
21use AnyEvent::MP::Transport (); 21use AnyEvent::MP::Transport ();
22 22
23use base Exporter::;
24
25our $VERSION = '0.0';
26
27sub new { 23sub new {
28 my ($class, $noderef) = @_; 24 my ($self, $noderef) = @_;
29 25
30 bless { noderef => $noderef }, $class 26 $self = bless { noderef => $noderef }, $self;
31}
32 27
28 $self->transport_reset;
29
30 $self
31}
32
33sub send {
34 &{$_[0]->{send}}
35}
36
33package AnyEvent::MP::Node::Direct; 37package AnyEvent::MP::Node::External;
34 38
35use base "AnyEvent::MP::Node"; 39use base "AnyEvent::MP::Node";
36 40
37sub send { 41# called at init time, mostly sets {send}
42sub transport_reset {
38 my ($self, $msg) = @_; 43 my ($self) = @_;
39 44
45 delete $self->{transport};
46
47 $self->{send} = sub {
48 push @{$_[0]{queue}}, $_[1];
49 $_[0]->connect;
50 };
51}
52
53# called only after successful handshake
54sub transport_error {
55 my ($self, @reason) = @_;
56
57 delete $self->{queue};
58 $self->transport_reset;
59
60 if (my $mon = delete $self->{lmon}) {
61 $_->(@reason) for map @$_, values %$mon;
62 }
63}
64
65# called after handshake was successful
66sub transport_connect {
67 my ($self, $transport) = @_;
68
69 $self->transport_reset
40 if ($self->{transport}) { 70 if $self->{transport};
71
72 delete $self->{connect_w};
73 delete $self->{connect_to};
74
75 $self->{transport} = $transport;
76
77 $self->{send} = sub {
41 $self->{transport}->send ($msg); 78 $transport->send ($_[1]);
42 } elsif ($self->{queue}) { 79 };
43 push @{ $self->{queue} }, $msg; 80
44 } else { 81 $transport->send ($_)
45 $self->{queue} = [$msg]; 82 for @{ delete $self->{queue} || [] };
46 $self->connect; 83}
84
85sub connect {
86 my ($self) = @_;
87
88 Scalar::Util::weaken $self;
89
90 $self->{connect_to} ||= AE::timer
91 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT,
92 0,
93 sub {
94 $self->transport_error (transport_error => $self->{noderef}, "unable to connect");
95 };
96
97 unless ($self->{connect_w}) {
98 my @endpoints;
99 my %trial;
100
101 $self->{connect_w} = AE::timer
102 0,
103 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL,
104 sub {
105 @endpoints = split /,/, $self->{noderef}
106 unless @endpoints;
107
108 my $endpoint = shift @endpoints;
109
110 $trial{$endpoint} ||= do {
111 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
112 or return $AnyEvent::MP::Kernel::WARN->("$self->{noderef}: not a resolved node reference.");
113
114 AnyEvent::MP::Transport::mp_connect
115 $host, $port,
116 sub { delete $trial{$endpoint} }
117 ;
118 };
119 }
120 ;
47 } 121 }
48} 122}
49 123
50sub kill { 124sub kill {
51 my ($self, $port, @reason) = @_; 125 my ($self, $port, @reason) = @_;
… …
53 $self->send (["", kil => $port, @reason]); 127 $self->send (["", kil => $port, @reason]);
54} 128}
55 129
56sub monitor { 130sub monitor {
57 my ($self, $portid, $cb) = @_; 131 my ($self, $portid, $cb) = @_;
58
59 return $cb->(transport_error => "node unreachable")
60 if $self->{failed};
61 132
62 my $list = $self->{lmon}{$portid} ||= []; 133 my $list = $self->{lmon}{$portid} ||= [];
63 134
64 $self->send (["", mon1 => $portid]) 135 $self->send (["", mon1 => $portid])
65 unless @$list; 136 unless @$list;
… …
79 $self->send (["", mon0 => $portid]); 150 $self->send (["", mon0 => $portid]);
80 delete $self->{monitor}{$portid}; 151 delete $self->{monitor}{$portid};
81 } 152 }
82} 153}
83 154
84sub set_transport { 155package AnyEvent::MP::Node::Direct;
85 my ($self, $transport) = @_;
86 156
87 $self->clr_transport 157use base "AnyEvent::MP::Node::External";
88 if $self->{transport};
89 158
90 if ( 159package AnyEvent::MP::Node::Indirect;
91 exists $self->{remote_uniq}
92 && $self->{remote_uniq} ne $transport->{remote_uniq}
93 ) {
94 # uniq changed, different node
95 $self->fail ("node restart detected");
96 }
97 160
98 delete $self->{trial}; 161use base "AnyEvent::MP::Node::Direct";
99 delete $self->{next_connect};
100 delete $self->{failed};
101
102 $self->{remote_uniq} = $transport->{remote_uniq};
103 $self->{transport} = $transport;
104
105 $transport->send ($_)
106 for @{ delete $self->{queue} || [] };
107}
108
109sub fail {
110 my ($self, @reason) = @_;
111
112 delete $self->{queue};
113
114 $self->{failed} = 1;
115
116 if (my $mon = delete $self->{lmon}) {
117 $_->(@reason) for map @$_, values %$mon;
118 }
119}
120
121sub clr_transport {
122 my ($self, @reason) = @_;
123
124 delete $self->{transport};
125 $self->connect;
126}
127 162
128sub connect { 163sub connect {
129 my ($self) = @_; 164 my ($self) = @_;
130 165
131 Scalar::Util::weaken $self;
132
133 $self->{retry} ||= [split /,/, $self->{noderef}];
134
135 my $endpoint = shift @{ $self->{retry} };
136
137 if (defined $endpoint) {
138 $self->{trial}{$endpoint} ||= do {
139 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
140 or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference.");
141
142 my ($w, $g);
143
144 $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub {
145 delete $self->{trial}{$endpoint};
146 };
147 $g = AnyEvent::MP::Transport::mp_connect
148 $host, $port,
149 sub {
150 delete $self->{trial}{$endpoint}
151 unless @_;
152 $g = shift;
153 };
154 ;
155
156 [$w, \$g]
157 };
158 } else {
159 delete $self->{retry};
160 $self->fail (transport_error => $self->{noderef}, "unable to connect"); 166 $self->transport_error (transport_error => $self->{noderef}, "unable to connect to indirect node");
161 } 167}
162 168
163 $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub { 169package AnyEvent::MP::Node::Self;
164 $self->connect; 170
171use base "AnyEvent::MP::Node";
172
173sub transport_reset {
174 my ($self) = @_;
175
176 $self->{send} = sub {
177 local $AnyEvent::MP::Kernel::SRCNODE = $_[0];
178 AnyEvent::MP::Kernel::_inject (@{ $_[1] });
165 }; 179 };
166}
167
168package AnyEvent::MP::Node::Self;
169
170use base "AnyEvent::MP::Node";
171
172sub set_transport {
173 Carp::confess "FATAL error, set_transport was called on local node";
174}
175
176sub send {
177 local $AnyEvent::MP::Base::SRCNODE = $_[0];
178 AnyEvent::MP::Base::_inject (@{ $_[1] });
179} 180}
180 181
181sub kill { 182sub kill {
182 my ($self, $port, @reason) = @_; 183 my ($self, $port, @reason) = @_;
183 184
184 delete $AnyEvent::MP::Base::PORT{$port}; 185 delete $AnyEvent::MP::Kernel::PORT{$port};
185 delete $AnyEvent::MP::Base::PORT_DATA{$port}; 186 delete $AnyEvent::MP::Kernel::PORT_DATA{$port};
186 187
187 my $mon = delete $AnyEvent::MP::Base::LMON{$port} 188 my $mon = delete $AnyEvent::MP::Kernel::LMON{$port}
188 or !@reason 189 or !@reason
189 or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason"); 190 or $AnyEvent::MP::Kernel::WARN->("unmonitored local port $port died with reason: @reason");
190 191
191 $_->(@reason) for values %$mon; 192 $_->(@reason) for values %$mon;
192} 193}
193 194
194sub monitor { 195sub monitor {
195 my ($self, $portid, $cb) = @_; 196 my ($self, $portid, $cb) = @_;
196 197
197 return $cb->() 198 return $cb->(no_such_port => "cannot monitor nonexistent port")
198 unless exists $AnyEvent::MP::Base::PORT{$portid}; 199 unless exists $AnyEvent::MP::Kernel::PORT{$portid};
199 200
200 $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; 201 $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb;
201} 202}
202 203
203sub unmonitor { 204sub unmonitor {
204 my ($self, $portid, $cb) = @_; 205 my ($self, $portid, $cb) = @_;
205 206
206 delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0}; 207 delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0};
207} 208}
208 209
209=head1 SEE ALSO 210=head1 SEE ALSO
210 211
211L<AnyEvent>. 212L<AnyEvent::MP>.
212 213
213=head1 AUTHOR 214=head1 AUTHOR
214 215
215 Marc Lehmann <schmorp@schmorp.de> 216 Marc Lehmann <schmorp@schmorp.de>
216 http://home.schmorp.de/ 217 http://home.schmorp.de/

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