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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.17 by root, Mon Aug 10 01:37:19 2009 UTC vs.
Revision 1.18 by root, Wed Aug 12 21:39:59 2009 UTC

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

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