version 1.24, 2004/02/09 10:57:37
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version 1.25, 2004/02/09 13:33:16
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Line 216 sub new {
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Line 216 sub new {
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Cipher => undef}; |
Cipher => undef}; |
bless($self, $class); |
bless($self, $class); |
unless ($self->{Socket} = IO::Socket::INET->new(PeerHost => $self->{Host}, |
unless ($self->{Socket} = IO::Socket::INET->new(PeerHost => $self->{Host}, |
PeerPort => $self->{Port}, |
PeerPort => $self->{Port}, |
Type => SOCK_STREAM, |
Type => SOCK_STREAM, |
Proto => "tcp", |
Proto => "tcp", |
Timeout => 3)) { |
Timeout => 3)) { |
return undef; # Inidicates the socket could not be made. |
return undef; # Inidicates the socket could not be made. |
} |
} |
# |
# |
Line 309 sub Readable {
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Line 309 sub Readable {
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$socket->close(); |
$socket->close(); |
return -1; |
return -1; |
} |
} |
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&Debug(8," Transition out of Initialized"); |
&Debug(8," Transition out of Initialized"); |
$self->{TransactionRequest} = $self->{TransactionReply}; |
$self->{TransactionRequest} = $self->{TransactionReply}; |
$self->{InformWritable} = 1; |
$self->{InformWritable} = 1; |
Line 317 sub Readable {
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Line 317 sub Readable {
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$self->Transition("ChallengeReceived"); |
$self->Transition("ChallengeReceived"); |
$self->{TimeoutRemaining} = $self->{TimeoutValue}; |
$self->{TimeoutRemaining} = $self->{TimeoutValue}; |
return 0; |
return 0; |
} elsif ($self->{State} eq "ChallengeReplied") { |
} elsif ($self->{State} eq "ChallengeReplied") { |
if($self->{TransactionReply} ne "ok\n") { |
if($self->{TransactionReply} ne "ok\n") { |
$self->Transition("Disconnected"); |
$self->Transition("Disconnected"); |
$socket->close(); |
$socket->close(); |
return -1; |
return -1; |
} |
} |
$self->Transition("RequestingVersion"); |
$self->Transition("RequestingVersion"); |
$self->{InformReadable} = 0; |
$self->{InformReadable} = 0; |
$self->{InformWritable} = 1; |
$self->{InformWritable} = 1; |
$self->{TransactionRequest} = "version\n"; |
$self->{TransactionRequest} = "version\n"; |
return 0; |
return 0; |
} elsif ($self->{State} eq "ReadingVersionString") { |
} elsif ($self->{State} eq "ReadingVersionString") { |
$self->{LondVersion} = chomp($self->{TransactionReply}); |
$self->{LondVersion} = chomp($self->{TransactionReply}); |
$self->Transition("SetHost"); |
$self->Transition("SetHost"); |
$self->{InformReadable} = 0; |
$self->{InformReadable} = 0; |
$self->{InformWritable} = 1; |
$self->{InformWritable} = 1; |
my $peer = $self->{LoncapaHim}; |
my $peer = $self->{LoncapaHim}; |
$self->{TransactionRequest}= "sethost:$peer\n"; |
$self->{TransactionRequest}= "sethost:$peer\n"; |
return 0; |
return 0; |
} elsif ($self->{State} eq "HostSet") { # should be ok. |
} elsif ($self->{State} eq "HostSet") { # should be ok. |
if($self->{TransactionReply} ne "ok\n") { |
if($self->{TransactionReply} ne "ok\n") { |
$self->Transition("Disconnected"); |
$self->Transition("Disconnected"); |
$socket->close(); |
$socket->close(); |
return -1; |
return -1; |
} |
} |
$self->Transition("RequestingKey"); |
$self->Transition("RequestingKey"); |
$self->{InformReadable} = 0; |
$self->{InformReadable} = 0; |
$self->{InformWritable} = 1; |
$self->{InformWritable} = 1; |
$self->{TransactionRequest} = "ekey\n"; |
$self->{TransactionRequest} = "ekey\n"; |
return 0; |
return 0; |
} elsif ($self->{State} eq "ReceivingKey") { |
} elsif ($self->{State} eq "ReceivingKey") { |
my $buildkey = $self->{TransactionReply}; |
my $buildkey = $self->{TransactionReply}; |
my $key = $self->{LoncapaHim}.$perlvar{'lonHostID'}; |
my $key = $self->{LoncapaHim}.$perlvar{'lonHostID'}; |
Line 395 sub Readable {
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Line 395 sub Readable {
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} |
} |
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return 0; |
return 0; |
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} |
} |
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Line 410 mark the object as waiting for readabili
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Line 410 mark the object as waiting for readabili
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Returns 0 if successful, or -1 if not. |
Returns 0 if successful, or -1 if not. |
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=cut |
=cut |
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sub Writable { |
sub Writable { |
my $self = shift; # Get reference to the object. |
my $self = shift; # Get reference to the object. |
my $socket = $self->{Socket}; |
my $socket = $self->{Socket}; |
Line 428 sub Writable {
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Line 429 sub Writable {
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($errno == POSIX::EINTR) || |
($errno == POSIX::EINTR) || |
($errno == 0)) { |
($errno == 0)) { |
substr($self->{TransactionRequest}, 0, $nwritten) = ""; # rmv written part |
substr($self->{TransactionRequest}, 0, $nwritten) = ""; # rmv written part |
if(length $self->{TransactionRequest} == 0) { |
if(length $self->{TransactionRequest} == 0) { |
$self->{InformWritable} = 0; |
$self->{InformWritable} = 0; |
$self->{InformReadable} = 1; |
$self->{InformReadable} = 1; |
$self->{TransactionReply} = ''; |
$self->{TransactionReply} = ''; |
# |
# |
# Figure out the next state: |
# Figure out the next state: |
# |
# |
if($self->{State} eq "Connected") { |
if($self->{State} eq "Connected") { |
$self->Transition("Initialized"); |
$self->Transition("Initialized"); |
} elsif($self->{State} eq "ChallengeReceived") { |
} elsif($self->{State} eq "ChallengeReceived") { |
$self->Transition("ChallengeReplied"); |
$self->Transition("ChallengeReplied"); |
} elsif($self->{State} eq "RequestingVersion") { |
} elsif($self->{State} eq "RequestingVersion") { |
$self->Transition("ReadingVersionString"); |
$self->Transition("ReadingVersionString"); |
} elsif ($self->{State} eq "SetHost") { |
} elsif ($self->{State} eq "SetHost") { |
$self->Transition("HostSet"); |
$self->Transition("HostSet"); |
} elsif($self->{State} eq "RequestingKey") { |
} elsif($self->{State} eq "RequestingKey") { |
$self->Transition("ReceivingKey"); |
$self->Transition("ReceivingKey"); |
# $self->{InformWritable} = 0; |
# $self->{InformWritable} = 0; |
# $self->{InformReadable} = 1; |
# $self->{InformReadable} = 1; |
# $self->{TransactionReply} = ''; |
# $self->{TransactionReply} = ''; |
} elsif ($self->{State} eq "SendingRequest") { |
} elsif ($self->{State} eq "SendingRequest") { |
$self->Transition("ReceivingReply"); |
$self->Transition("ReceivingReply"); |
$self->{TimeoutRemaining} = $self->{TimeoutValue}; |
$self->{TimeoutRemaining} = $self->{TimeoutValue}; |
} elsif ($self->{State} eq "Disconnected") { |
} elsif ($self->{State} eq "Disconnected") { |
return -1; |
return -1; |
} |
} |
return 0; |
return 0; |
} |
} |
} else { # The write failed (e.g. partner disconnected). |
} else { # The write failed (e.g. partner disconnected). |
$self->Transition("Disconnected"); |
$self->Transition("Disconnected"); |
$socket->close(); |
$socket->close(); |
return -1; |
return -1; |
} |
} |
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} |
} |
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=pod |
=pod |
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=head2 Tick |
=head2 Tick |