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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.10 by root, Tue Aug 4 23:35:51 2009 UTC vs.
Revision 1.19 by root, Wed Aug 12 22:03:15 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 $self
31}
32
33sub send {
34 &{ shift->{send} }
35}
36
33package AnyEvent::MP::Node::Direct; 37package AnyEvent::MP::Node::External;
34 38
35use base "AnyEvent::MP::Node"; 39use base "AnyEvent::MP::Node";
36 40
37sub send { 41# called at init time, mostly sets {send}
42sub transport_reset {
38 my ($self, $msg) = @_; 43 my ($self) = @_;
39 44
40 if ($self->{transport}) { 45 delete $self->{transport};
41 $self->{transport}->send ($msg); 46
42 } elsif ($self->{queue}) { 47 Scalar::Util::weaken $self;
48
49 $self->{send} = sub {
43 push @{ $self->{queue} }, $msg; 50 push @{$self->{queue}}, shift;
44 } else {
45 $self->{queue} = [$msg];
46 $self->connect; 51 $self->connect;
52 };
53}
54
55# called only after successful handshake
56sub transport_error {
57 my ($self, @reason) = @_;
58
59 delete $self->{queue};
60 $self->transport_reset;
61
62 if (my $mon = delete $self->{lmon}) {
63 $_->(@reason) for map @$_, values %$mon;
64 }
65}
66
67# called after handshake was successful
68sub transport_connect {
69 my ($self, $transport) = @_;
70
71 $self->transport_reset
72 if $self->{transport};
73
74 delete $self->{connect_w};
75 delete $self->{connect_to};
76
77 $self->{transport} = $transport;
78
79 my $transport_send = $transport->can ("send");
80
81 $self->{send} = sub {
82 $transport_send->($transport, $_[0]);
83 };
84
85 $transport->send ($_)
86 for @{ delete $self->{queue} || [] };
87}
88
89sub connect {
90 my ($self) = @_;
91
92 Scalar::Util::weaken $self;
93
94 $self->{connect_to} ||= AE::timer
95 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT,
96 0,
97 sub {
98 $self->transport_error (transport_error => $self->{noderef}, "unable to connect");
99 };
100
101 unless ($self->{connect_w}) {
102 my @endpoints;
103 my %trial;
104
105 $self->{connect_w} = AE::timer
106 0,
107 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL,
108 sub {
109 @endpoints = split /,/, $self->{noderef}
110 unless @endpoints;
111
112 my $endpoint = shift @endpoints;
113
114 $trial{$endpoint} ||= do {
115 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
116 or return $AnyEvent::MP::Kernel::WARN->("$self->{noderef}: not a resolved node reference.");
117
118 AnyEvent::MP::Transport::mp_connect
119 $host, $port,
120 sub { delete $trial{$endpoint} }
121 ;
122 };
123 }
124 ;
47 } 125 }
48} 126}
49 127
50sub kill { 128sub kill {
51 my ($self, $port, @reason) = @_; 129 my ($self, $port, @reason) = @_;
… …
53 $self->send (["", kil => $port, @reason]); 131 $self->send (["", kil => $port, @reason]);
54} 132}
55 133
56sub monitor { 134sub monitor {
57 my ($self, $portid, $cb) = @_; 135 my ($self, $portid, $cb) = @_;
58
59 return $cb->("node failed conenction")
60 if $self->{failed};
61 136
62 my $list = $self->{lmon}{$portid} ||= []; 137 my $list = $self->{lmon}{$portid} ||= [];
63 138
64 $self->send (["", mon1 => $portid]) 139 $self->send (["", mon1 => $portid])
65 unless @$list; 140 unless @$list;
… …
79 $self->send (["", mon0 => $portid]); 154 $self->send (["", mon0 => $portid]);
80 delete $self->{monitor}{$portid}; 155 delete $self->{monitor}{$portid};
81 } 156 }
82} 157}
83 158
84sub set_transport { 159package AnyEvent::MP::Node::Direct;
85 my ($self, $transport) = @_;
86 160
87 $self->clr_transport 161use base "AnyEvent::MP::Node::External";
88 if $self->{transport};
89 162
90 if ( 163package 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 }
97 164
98 delete $self->{trial}; 165use 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 $self->connect;
126}
127 166
128sub connect { 167sub connect {
129 my ($self) = @_; 168 my ($self) = @_;
130 169
170 $self->transport_error (transport_error => $self->{noderef}, "unable to connect to indirect node");
171}
172
173package AnyEvent::MP::Node::Self;
174
175use base "AnyEvent::MP::Node";
176
177sub transport_reset {
178 my ($self) = @_;
179
131 Scalar::Util::weaken $self; 180 Scalar::Util::weaken $self;
132 181
133 $self->{retry} ||= [split /,/, $self->{noderef}]; 182 $self->{send} = sub {
134 183 local $AnyEvent::MP::Kernel::SRCNODE = $self;
135 my $endpoint = shift @{ $self->{retry} }; 184 AnyEvent::MP::Kernel::_inject (@{ $_[0] });
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");
161 }
162
163 $self->{next_connect} = AE::timer $AnyEvent::MP::Base::CONNECT_INTERVAL, 0, sub {
164 $self->connect;
165 }; 185 };
166}
167
168package AnyEvent::MP::Node::Self;
169
170use base "AnyEvent::MP::Node";
171
172sub set_transport {
173 die "FATAL error, set_transport was called";
174}
175
176sub send {
177 local $AnyEvent::MP::Base::SRCNODE = $_[0];
178 AnyEvent::MP::Base::_inject (@{ $_[1] });
179} 186}
180 187
181sub kill { 188sub kill {
182 my ($self, $port, @reason) = @_; 189 my ($self, $port, @reason) = @_;
183 190
184 delete $AnyEvent::MP::Base::PORT{$port}; 191 delete $AnyEvent::MP::Kernel::PORT{$port};
185 delete $AnyEvent::MP::Base::PORT_DATA{$port}; 192 delete $AnyEvent::MP::Kernel::PORT_DATA{$port};
186 193
187 my $mon = delete $AnyEvent::MP::Base::LMON{$port} 194 my $mon = delete $AnyEvent::MP::Kernel::LMON{$port}
188 or !@reason 195 or !@reason
189 or $AnyEvent::MP::Base::WARN->("unmonitored local port $port died with reason: @reason"); 196 or $AnyEvent::MP::Kernel::WARN->("unmonitored local port $port died with reason: @reason");
190 197
191 $_->(@reason) for values %$mon; 198 $_->(@reason) for values %$mon;
192} 199}
193 200
194sub monitor { 201sub monitor {
195 my ($self, $portid, $cb) = @_; 202 my ($self, $portid, $cb) = @_;
196 203
197 return $cb->() 204 return $cb->(no_such_port => "cannot monitor nonexistent port")
198 unless exists $AnyEvent::MP::Base::PORT{$portid}; 205 unless exists $AnyEvent::MP::Kernel::PORT{$portid};
199 206
200 $AnyEvent::MP::Base::LMON{$portid}{$cb+0} = $cb; 207 $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb;
201} 208}
202 209
203sub unmonitor { 210sub unmonitor {
204 my ($self, $portid, $cb) = @_; 211 my ($self, $portid, $cb) = @_;
205 212
206 delete $AnyEvent::MP::Base::LMON{$portid}{$cb+0}; 213 delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0};
207} 214}
208 215
209=head1 SEE ALSO 216=head1 SEE ALSO
210 217
211L<AnyEvent>. 218L<AnyEvent::MP>.
212 219
213=head1 AUTHOR 220=head1 AUTHOR
214 221
215 Marc Lehmann <schmorp@schmorp.de> 222 Marc Lehmann <schmorp@schmorp.de>
216 http://home.schmorp.de/ 223 http://home.schmorp.de/

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