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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.16 by root, Sun Aug 9 16:08:16 2009 UTC vs.
Revision 1.21 by root, Thu Aug 13 00:49:23 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
25sub new { 23sub new {
26 my ($class, $noderef) = @_; 24 my ($self, $noderef) = @_;
27 25
28 bless { noderef => $noderef }, $class 26 $self = bless { noderef => $noderef }, $self;
29}
30 27
28 $self->transport_reset;
29
30 $self
31}
32
33sub send {
34 &{ shift->{send} }
35}
36
31package AnyEvent::MP::Node::Direct; 37package AnyEvent::MP::Node::External;
32 38
33use base "AnyEvent::MP::Node"; 39use base "AnyEvent::MP::Node";
34 40
35sub send { 41# called at init time, mostly sets {send}
42sub transport_reset {
36 my ($self, $msg) = @_; 43 my ($self) = @_;
37 44
38 if ($self->{transport}) { 45 delete $self->{transport};
39 $self->{transport}->send ($msg); 46
40 } elsif ($self->{queue}) { 47 Scalar::Util::weaken $self;
48
49 $self->{send} = sub {
41 push @{ $self->{queue} }, $msg; 50 push @{$self->{queue}}, shift;
42 } else {
43 $self->{queue} = [$msg];
44 $self->connect; 51 $self->connect;
52 };
53}
54
55# called only after successful handshake
56sub transport_error {
57 my ($self, @reason) = @_;
58
59 my $no_transport = !$self->{transport};
60
61 delete $self->{connect_w};
62 delete $self->{connect_to};
63
64 delete $self->{queue};
65 $self->transport_reset;
66
67 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason)
68 unless $no_transport;
69
70 if (my $mon = delete $self->{lmon}) {
71 $_->(@reason) for map @$_, values %$mon;
72 }
73}
74
75# called after handshake was successful
76sub transport_connect {
77 my ($self, $transport) = @_;
78
79 $self->transport_error (transport_error => "switched connections")
80 if $self->{transport};
81
82 delete $self->{connect_w};
83 delete $self->{connect_to};
84
85 $self->{transport} = $transport;
86
87 my $transport_send = $transport->can ("send");
88
89 $self->{send} = sub {
90 $transport_send->($transport, $_[0]);
91 };
92
93 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 1);
94
95 $transport->send ($_)
96 for @{ delete $self->{queue} || [] };
97}
98
99sub connect {
100 my ($self) = @_;
101
102 Scalar::Util::weaken $self;
103
104 $self->{connect_to} ||= AE::timer
105 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT,
106 0,
107 sub {
108 $self->transport_error (transport_error => $self->{noderef}, "unable to connect");
109 };
110
111 unless ($self->{connect_w}) {
112 my @endpoints;
113 my %trial;
114
115 $self->{connect_w} = AE::timer
116 0,
117 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL,
118 sub {
119 @endpoints = split /,/, $self->{noderef}
120 unless @endpoints;
121
122 my $endpoint = shift @endpoints;
123
124 $trial{$endpoint} ||= do {
125 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
126 or return $AnyEvent::MP::Kernel::WARN->("$self->{noderef}: not a resolved node reference.");
127
128 AnyEvent::MP::Transport::mp_connect
129 $host, $port,
130 sub { delete $trial{$endpoint} }
131 ;
132 };
133 }
134 ;
45 } 135 }
46} 136}
47 137
48sub kill { 138sub kill {
49 my ($self, $port, @reason) = @_; 139 my ($self, $port, @reason) = @_;
… …
74 $self->send (["", mon0 => $portid]); 164 $self->send (["", mon0 => $portid]);
75 delete $self->{monitor}{$portid}; 165 delete $self->{monitor}{$portid};
76 } 166 }
77} 167}
78 168
79sub set_transport { 169package AnyEvent::MP::Node::Direct;
80 my ($self, $transport) = @_;
81 170
82 $self->clr_transport 171use base "AnyEvent::MP::Node::External";
83 if $self->{transport};
84 172
85 delete $self->{trial}; 173package AnyEvent::MP::Node::Indirect;
86 delete $self->{retry};
87 delete $self->{next_connect};
88 174
89 $self->{transport} = $transport; 175use base "AnyEvent::MP::Node::Direct";
90
91 $transport->send ($_)
92 for @{ delete $self->{queue} || [] };
93}
94
95sub fail {
96 my ($self, @reason) = @_;
97
98 delete $self->{queue};
99
100 if (my $mon = delete $self->{lmon}) {
101 $_->(@reason) for map @$_, values %$mon;
102 }
103}
104
105sub clr_transport {
106 my ($self, @reason) = @_;
107
108 delete $self->{transport};
109 $self->connect;
110}
111 176
112sub connect { 177sub connect {
113 my ($self) = @_; 178 my ($self) = @_;
114 179
180 $self->transport_error (transport_error => $self->{noderef}, "unable to connect to indirect node");
181}
182
183package AnyEvent::MP::Node::Self;
184
185use base "AnyEvent::MP::Node";
186
187sub connect {
188 # we are trivially connected
189}
190
191sub transport_reset {
192 my ($self) = @_;
193
115 Scalar::Util::weaken $self; 194 Scalar::Util::weaken $self;
116 195
117 $self->{retry} ||= [split /,/, $self->{noderef}]; 196 $self->{send} = sub {
118 197 local $AnyEvent::MP::Kernel::SRCNODE = $self;
119 my $endpoint = shift @{ $self->{retry} }; 198 AnyEvent::MP::Kernel::_inject (@{ $_[0] });
120
121 if (defined $endpoint) {
122 $self->{trial}{$endpoint} ||= do {
123 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
124 or return $AnyEvent::MP::Base::WARN->("$self->{noderef}: not a resolved node reference.");
125
126 my ($w, $g);
127
128 $w = AE::timer $AnyEvent::MP::Base::CONNECT_TIMEOUT, 0, sub {
129 delete $self->{trial}{$endpoint};
130 };
131 $g = AnyEvent::MP::Transport::mp_connect
132 $host, $port,
133 sub {
134 delete $self->{trial}{$endpoint}
135 unless @_;
136 $g = shift;
137 };
138 ;
139
140 [$w, \$g]
141 };
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 {
147 delete $self->{retry};
148 $self->connect;
149 }; 199 };
150}
151
152package AnyEvent::MP::Node::Slave;
153
154use base "AnyEvent::MP::Node::Direct";
155
156sub connect {
157 my ($self) = @_;
158
159 $self->fail (transport_error => $self->{noderef}, "unable to connect to slave node");
160}
161
162package AnyEvent::MP::Node::Self;
163
164use base "AnyEvent::MP::Node";
165
166sub set_transport {
167 Carp::confess "FATAL error, set_transport was called on local node";
168}
169
170sub send {
171 local $AnyEvent::MP::Base::SRCNODE = $_[0];
172 AnyEvent::MP::Base::_inject (@{ $_[1] });
173} 200}
174 201
175sub kill { 202sub kill {
176 my ($self, $port, @reason) = @_; 203 my ($self, $port, @reason) = @_;
177 204
178 delete $AnyEvent::MP::Base::PORT{$port}; 205 delete $AnyEvent::MP::Kernel::PORT{$port};
179 delete $AnyEvent::MP::Base::PORT_DATA{$port}; 206 delete $AnyEvent::MP::Kernel::PORT_DATA{$port};
180 207
181 my $mon = delete $AnyEvent::MP::Base::LMON{$port} 208 my $mon = delete $AnyEvent::MP::Kernel::LMON{$port}
182 or !@reason 209 or !@reason
183 or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason"); 210 or $AnyEvent::MP::Kernel::WARN->("unmonitored local port $port died with reason: @reason");
184 211
185 $_->(@reason) for values %$mon; 212 $_->(@reason) for values %$mon;
186} 213}
187 214
188sub monitor { 215sub monitor {
189 my ($self, $portid, $cb) = @_; 216 my ($self, $portid, $cb) = @_;
190 217
191 return $cb->(no_such_port => "cannot monitor nonexistent port") 218 return $cb->(no_such_port => "cannot monitor nonexistent port")
192 unless exists $AnyEvent::MP::Base::PORT{$portid}; 219 unless exists $AnyEvent::MP::Kernel::PORT{$portid};
193 220
194 $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; 221 $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb;
195} 222}
196 223
197sub unmonitor { 224sub unmonitor {
198 my ($self, $portid, $cb) = @_; 225 my ($self, $portid, $cb) = @_;
199 226
200 delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0}; 227 delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0};
201} 228}
202 229
203=head1 SEE ALSO 230=head1 SEE ALSO
204 231
205L<AnyEvent>. 232L<AnyEvent::MP>.
206 233
207=head1 AUTHOR 234=head1 AUTHOR
208 235
209 Marc Lehmann <schmorp@schmorp.de> 236 Marc Lehmann <schmorp@schmorp.de>
210 http://home.schmorp.de/ 237 http://home.schmorp.de/

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