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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.3 by root, Sat Aug 1 07:36:30 2009 UTC vs.
Revision 1.20 by root, Thu Aug 13 00:23:36 2009 UTC

… …
13package AnyEvent::MP::Node; 13package AnyEvent::MP::Node;
14 14
15use common::sense; 15use common::sense;
16 16
17use AE (); 17use AE ();
18use AnyEvent::Util ();
18use AnyEvent::Socket (); 19use AnyEvent::Socket ();
19 20
20use AnyEvent::MP::Transport (); 21use AnyEvent::MP::Transport ();
21 22
22use base Exporter::;
23
24our $VERSION = '0.0';
25
26sub new { 23sub new {
27 my ($class, $noderef) = @_; 24 my ($self, $noderef) = @_;
28 25
29 bless { noderef => $noderef }, $class 26 $self = bless { noderef => $noderef }, $self;
30}
31 27
28 $self->transport_reset;
29
30 $self
31}
32
33sub send {
34 &{ shift->{send} }
35}
36
32package AnyEvent::MP::Node::Direct; 37package AnyEvent::MP::Node::External;
33 38
34use base "AnyEvent::MP::Node"; 39use base "AnyEvent::MP::Node";
35 40
36sub send { 41# called at init time, mostly sets {send}
42sub transport_reset {
37 my ($self, $msg) = @_; 43 my ($self) = @_;
38 44
39 if ($self->{transport}) { 45 delete $self->{transport};
40 $self->{transport}->send ($msg); 46
41 } elsif ($self->{queue}) { 47 Scalar::Util::weaken $self;
48
49 $self->{send} = sub {
42 push @{ $self->{queue} }, $msg; 50 push @{$self->{queue}}, shift;
43 } else {
44 $self->{queue} = [$msg];
45 $self->connect; 51 $self->connect;
52 };
53}
54
55# called only after successful handshake
56sub transport_error {
57 my ($self, @reason) = @_;
58
59 $self->{transport}
60 or return;
61
62 delete $self->{queue};
63 $self->transport_reset;
64
65 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason);
66
67 if (my $mon = delete $self->{lmon}) {
68 $_->(@reason) for map @$_, values %$mon;
46 } 69 }
47} 70}
48 71
49sub set_transport { 72# called after handshake was successful
73sub transport_connect {
50 my ($self, $transport) = @_; 74 my ($self, $transport) = @_;
51 75
52 delete $self->{trial}; 76 $self->transport_error (transport_error => "switched connections")
77 if $self->{transport};
78
53 delete $self->{next_connect}; 79 delete $self->{connect_w};
80 delete $self->{connect_to};
54 81
55 if (
56 exists $self->{remote_uniq}
57 && $self->{remote_uniq} ne $transport->{remote_uniq}
58 ) {
59 # uniq changed, drop queue
60 delete $self->{queue};
61 #TODO: "DOWN"
62 }
63
64 $self->{remote_uniq} = $transport->{remote_uniq};
65 $self->{transport} = $transport; 82 $self->{transport} = $transport;
83
84 my $transport_send = $transport->can ("send");
85
86 $self->{send} = sub {
87 $transport_send->($transport, $_[0]);
88 };
89
90 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 1);
66 91
67 $transport->send ($_) 92 $transport->send ($_)
68 for @{ delete $self->{queue} || [] }; 93 for @{ delete $self->{queue} || [] };
69} 94}
70 95
71sub clr_transport {
72 my ($self) = @_;
73
74 delete $self->{transport};
75 warn "clr_transport\n";
76}
77
78sub connect { 96sub connect {
79 my ($self) = @_; 97 my ($self) = @_;
80 98
81 Scalar::Util::weaken $self; 99 Scalar::Util::weaken $self;
82 100
83 unless (exists $self->{n_noderef}) { 101 $self->{connect_to} ||= AE::timer
84 (AnyEvent::MP::normalise_noderef ($self->{noderef}))->cb (sub { 102 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT,
85 $self or return; 103 0,
86 my $noderef = shift->recv; 104 sub {
87 105 $self->transport_error (transport_error => $self->{noderef}, "unable to connect");
88 $self->{n_noderef} = $noderef;
89
90 $AnyEvent::MP::NODE{$_} = $self
91 for split /,/, $noderef;
92
93 $self->connect;
94 }); 106 };
95 return; 107
108 unless ($self->{connect_w}) {
109 my @endpoints;
110 my %trial;
111
112 $self->{connect_w} = AE::timer
113 0,
114 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL,
115 sub {
116 @endpoints = split /,/, $self->{noderef}
117 unless @endpoints;
118
119 my $endpoint = shift @endpoints;
120
121 $trial{$endpoint} ||= do {
122 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
123 or return $AnyEvent::MP::Kernel::WARN->("$self->{noderef}: not a resolved node reference.");
124
125 AnyEvent::MP::Transport::mp_connect
126 $host, $port,
127 sub { delete $trial{$endpoint} }
128 ;
129 };
130 }
131 ;
96 } 132 }
133}
97 134
98 $self->{retry} ||= [split /,/, $self->{n_noderef}]; 135sub kill {
136 my ($self, $port, @reason) = @_;
99 137
100 my $endpoint = shift @{ $self->{retry} }; 138 $self->send (["", kil => $port, @reason]);
139}
101 140
102 if (defined $endpoint) { 141sub monitor {
103 $self->{trial}{$endpoint} ||= do { 142 my ($self, $portid, $cb) = @_;
104 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint 143
144 my $list = $self->{lmon}{$portid} ||= [];
145
146 $self->send (["", mon1 => $portid])
147 unless @$list;
148
149 push @$list, $cb;
150}
151
152sub unmonitor {
153 my ($self, $portid, $cb) = @_;
154
155 my $list = $self->{lmon}{$portid}
105 or return; 156 or return;
106 157
107 my ($w, $g); 158 @$list = grep $_ != $cb, @$list;
108 159
109 $w = AE::timer $AnyEvent::MP::CONNECT_TIMEOUT, 0, sub { 160 unless (@$list) {
110 delete $self->{trial}{$endpoint}; 161 $self->send (["", mon0 => $portid]);
111 }; 162 delete $self->{monitor}{$portid};
112 $g = AnyEvent::MP::Transport::mp_connect
113 $host, $port,
114 sub {
115 delete $self->{trial}{$endpoint}
116 unless @_;
117 $g = shift;
118 };
119 ;
120
121 [$w, \$g]
122 };
123 } else {
124 delete $self->{retry};
125 } 163 }
164}
126 165
127 $self->{next_connect} = AE::timer $AnyEvent::MP::CONNECT_INTERVAL, 0, sub { 166package AnyEvent::MP::Node::Direct;
128 $self->connect; 167
168use base "AnyEvent::MP::Node::External";
169
170package AnyEvent::MP::Node::Indirect;
171
172use base "AnyEvent::MP::Node::Direct";
173
174sub connect {
175 my ($self) = @_;
176
177 $self->transport_error (transport_error => $self->{noderef}, "unable to connect to indirect node");
178}
179
180package AnyEvent::MP::Node::Self;
181
182use base "AnyEvent::MP::Node";
183
184sub connect {
185 # we are trivially connected
186}
187
188sub transport_reset {
189 my ($self) = @_;
190
191 Scalar::Util::weaken $self;
192
193 $self->{send} = sub {
194 local $AnyEvent::MP::Kernel::SRCNODE = $self;
195 AnyEvent::MP::Kernel::_inject (@{ $_[0] });
129 }; 196 };
130} 197}
131 198
132package AnyEvent::MP::Node::Self; 199sub kill {
200 my ($self, $port, @reason) = @_;
133 201
134use base "AnyEvent::MP::Node"; 202 delete $AnyEvent::MP::Kernel::PORT{$port};
203 delete $AnyEvent::MP::Kernel::PORT_DATA{$port};
135 204
136sub set_transport { 205 my $mon = delete $AnyEvent::MP::Kernel::LMON{$port}
137 die "FATAL error, set_transport was called"; 206 or !@reason
138} 207 or $AnyEvent::MP::Kernel::WARN->("unmonitored local port $port died with reason: @reason");
139 208
140sub send { 209 $_->(@reason) for values %$mon;
141 AnyEvent::MP::_inject ($_[1]); 210}
211
212sub monitor {
213 my ($self, $portid, $cb) = @_;
214
215 return $cb->(no_such_port => "cannot monitor nonexistent port")
216 unless exists $AnyEvent::MP::Kernel::PORT{$portid};
217
218 $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb;
219}
220
221sub unmonitor {
222 my ($self, $portid, $cb) = @_;
223
224 delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0};
142} 225}
143 226
144=head1 SEE ALSO 227=head1 SEE ALSO
145 228
146L<AnyEvent>. 229L<AnyEvent::MP>.
147 230
148=head1 AUTHOR 231=head1 AUTHOR
149 232
150 Marc Lehmann <schmorp@schmorp.de> 233 Marc Lehmann <schmorp@schmorp.de>
151 http://home.schmorp.de/ 234 http://home.schmorp.de/

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