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Comparing AnyEvent-MP/MP/Node.pm (file contents):
Revision 1.2 by root, Sat Aug 1 07:11:45 2009 UTC vs.
Revision 1.24 by root, Sat Aug 15 04:34:34 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 warn "send $self $self->{noderef}\n";#d# 45 delete $self->{transport};
40 46
41 if ($self->{transport}) { 47 Scalar::Util::weaken $self;
42 $self->{transport}->send ($msg); 48
43 } elsif ($self->{queue}) { 49 $self->{send} = sub {
44 push @{ $self->{queue} }, $msg; 50 push @{$self->{queue}}, shift;
45 } else {
46 $self->{queue} = [$msg];
47 $self->connect; 51 $self->connect;
48 } 52 };
49}
50 53
54 $self->connect
55 if $self->{autoconnect};
56}
57
58# called only after successful handshake
51sub set_transport { 59sub transport_error {
60 my ($self, @reason) = @_;
61
62 my $no_transport = !$self->{transport};
63
64 delete $self->{connect_w};
65 delete $self->{connect_to};
66
67 delete $self->{queue};
68 $self->transport_reset;
69
70 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 0, @reason)
71 unless $no_transport;
72
73 if (my $mon = delete $self->{lmon}) {
74 $_->(@reason) for map @$_, values %$mon;
75 }
76}
77
78# called after handshake was successful
79sub transport_connect {
52 my ($self, $transport) = @_; 80 my ($self, $transport) = @_;
53 81
54 delete $self->{trial}; 82 # first connect with a master node
83 $AnyEvent::MP::Kernel::SLAVE->($self)
84 if ref $AnyEvent::MP::Kernel::SLAVE;
85
86 $self->transport_error (transport_error => "switched connections")
87 if $self->{transport};
88
55 delete $self->{next_connect}; 89 delete $self->{connect_w};
90 delete $self->{connect_to};
56 91
57 use Data::Dumper; warn "set_transport $self->{noderef} $self $AnyEvent::MP::NODE{'10.0.0.1:4040'}\n";#d#
58
59 if (
60 exists $self->{remote_uniq}
61 && $self->{remote_uniq} ne $transport->{remote_uniq}
62 ) {
63 # uniq changed, drop queue
64 delete $self->{queue};
65 #TODO: "DOWN"
66 }
67
68 $self->{remote_uniq} = $transport->{remote_uniq};
69 $self->{transport} = $transport; 92 $self->{transport} = $transport;
93
94 my $transport_send = $transport->can ("send");
95
96 $self->{send} = sub {
97 $transport_send->($transport, $_[0]);
98 };
99
100 AnyEvent::MP::Kernel::_inject_nodeevent ($self, 1);
70 101
71 $transport->send ($_) 102 $transport->send ($_)
72 for @{ delete $self->{queue} || [] }; 103 for @{ delete $self->{queue} || [] };
73} 104}
74 105
75sub clr_transport {
76 my ($self) = @_;
77
78 delete $self->{transport};
79 warn "clr_transport\n";
80}
81
82sub connect { 106sub connect {
83 my ($self) = @_; 107 my ($self) = @_;
84 108
109 return if $self->{transport};
110
85 Scalar::Util::weaken $self; 111 Scalar::Util::weaken $self;
86 112
87 unless (exists $self->{n_noderef}) { 113 $self->{connect_to} ||= AE::timer
88 (AnyEvent::MP::normalise_noderef ($self->{noderef}))->cb (sub { 114 $AnyEvent::MP::Config::CFG{monitor_timeout} || $AnyEvent::MP::Kernel::MONITOR_TIMEOUT,
115 0,
116 sub {
117 $self->transport_error (transport_error => $self->{noderef}, "unable to connect");
118 };
119
120 unless ($self->{connect_w}) {
121 my @endpoints;
122 my %trial;
123
124 $self->{connect_w} = AE::timer
125 0,
126 $AnyEvent::MP::Config::CFG{connect_interval} || $AnyEvent::MP::Kernel::CONNECT_INTERVAL,
127 sub {
128 @endpoints = split /,/, $self->{noderef}
129 unless @endpoints;
130
131 my $endpoint = shift @endpoints;
132
133 $trial{$endpoint} ||= do {
134 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
135 or return $AnyEvent::MP::Kernel::WARN->("$self->{noderef}: not a resolved node reference.");
136
137 AnyEvent::MP::Transport::mp_connect
138 $host, $port,
139 sub { delete $trial{$endpoint} }
140 ;
141 };
142 }
143 ;
144 }
145}
146
147sub kill {
148 my ($self, $port, @reason) = @_;
149
150 $self->send (["", kil => $port, @reason]);
151}
152
153sub monitor {
154 my ($self, $portid, $cb) = @_;
155
156 my $list = $self->{lmon}{$portid} ||= [];
157
158 $self->send (["", mon1 => $portid])
159 unless @$list || !length $portid;
160
161 push @$list, $cb;
162}
163
164sub unmonitor {
165 my ($self, $portid, $cb) = @_;
166
167 my $list = $self->{lmon}{$portid}
89 $self or return; 168 or return;
169
170 @$list = grep $_ != $cb, @$list;
171
172 unless (@$list) {
173 $self->send (["", mon0 => $portid]);
174 delete $self->{monitor}{$portid};
175 }
176}
177
178package AnyEvent::MP::Node::Direct;
179
180use base "AnyEvent::MP::Node::External";
181
182package AnyEvent::MP::Node::Indirect;
183
184use base "AnyEvent::MP::Node::Direct";
185
186sub master {
187 my ($self) = @_;
188
189 my (undef, $master) = split /\@/, $self->{noderef}, 2;
190 $master =~ s/!/,/g;
191 $master
192}
193
194sub transport_reset {
195 my ($self) = @_;
196
197 if ($self->{transport}) {
198 # as an optimisation, immediately nuke slave nodes
199 delete $AnyEvent::MP::Kernel::NODE{$self->{noderef}};
200 } else {
201 $self->SUPER::transport_reset;
202 return;#d##TODO#
203
90 my $noderef = shift->recv; 204 my $noderef = $self->{noderef};
205 my $master = $self->master;
91 206
92 $self->{n_noderef} = $noderef; 207 # slave nodes are so cool - we can always send to them :)
93 208
94 $AnyEvent::MP::NODE{$_} = $self 209 $self->{send} = sub {
95 for split /,/, $noderef;
96
97 $self->connect; 210 $self->connect;
98 }); 211 snd $master, snd => $noderef, @_;
99 return;
100 }
101
102 $self->{retry} ||= [split /,/, $self->{n_noderef}];
103
104 my $endpoint = shift @{ $self->{retry} };
105
106 if (defined $endpoint) {
107 $self->{trial}{$endpoint} ||= do {
108 my ($host, $port) = AnyEvent::Socket::parse_hostport $endpoint
109 or return;
110
111 my ($w, $g);
112
113 $w = AE::timer $AnyEvent::MP::CONNECT_TIMEOUT, 0, sub {
114 delete $self->{trial}{$endpoint};
115 };
116 $g = AnyEvent::MP::Transport::mp_connect
117 $host, $port,
118 sub {
119 delete $self->{trial}{$endpoint}
120 unless @_;
121 $g = shift;
122 };
123 ;
124
125 [$w, \$g]
126 }; 212 };
127 } else {
128 delete $self->{retry};
129 } 213 }
214}
130 215
131 $self->{next_connect} = AE::timer $AnyEvent::MP::CONNECT_INTERVAL, 0, sub { 216sub connect {
132 $self->connect; 217 my ($self) = @_;
218
219 #TODO#
220# # ask for a connection, #TODO# rate-limit this somehow
221# snd $self->master, relay => $self->{noderef}, connect_node => $AnyEvent::MP::Kernel::NODE;
222}
223
224package AnyEvent::MP::Node::Self;
225
226use base "AnyEvent::MP::Node";
227
228sub connect {
229 # we are trivially connected
230}
231
232sub transport_reset {
233 my ($self) = @_;
234
235 Scalar::Util::weaken $self;
236
237 $self->{send} = sub {
238 local $AnyEvent::MP::Kernel::SRCNODE = $self;
239 AnyEvent::MP::Kernel::_inject (@{ $_[0] });
133 }; 240 };
134} 241}
135 242
136package AnyEvent::MP::Node::Self; 243sub kill {
244 my ($self, $port, @reason) = @_;
137 245
138use base "AnyEvent::MP::Node"; 246 delete $AnyEvent::MP::Kernel::PORT{$port};
247 delete $AnyEvent::MP::Kernel::PORT_DATA{$port};
139 248
140sub set_transport { 249 my $mon = delete $AnyEvent::MP::Kernel::LMON{$port}
141 die "FATAL error, set_transport was called"; 250 or !@reason
142} 251 or $AnyEvent::MP::Kernel::WARN->("unmonitored local port $port died with reason: @reason");
143 252
144sub send { 253 $_->(@reason) for values %$mon;
145 AnyEvent::MP::_inject ($_[1]); 254}
255
256sub monitor {
257 my ($self, $portid, $cb) = @_;
258
259 return $cb->(no_such_port => "cannot monitor nonexistent port")
260 unless exists $AnyEvent::MP::Kernel::PORT{$portid};
261
262 $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0} = $cb;
263}
264
265sub unmonitor {
266 my ($self, $portid, $cb) = @_;
267
268 delete $AnyEvent::MP::Kernel::LMON{$portid}{$cb+0};
146} 269}
147 270
148=head1 SEE ALSO 271=head1 SEE ALSO
149 272
150L<AnyEvent>. 273L<AnyEvent::MP>.
151 274
152=head1 AUTHOR 275=head1 AUTHOR
153 276
154 Marc Lehmann <schmorp@schmorp.de> 277 Marc Lehmann <schmorp@schmorp.de>
155 http://home.schmorp.de/ 278 http://home.schmorp.de/

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