version 1.22, 2004/01/05 09:30:10
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version 1.28, 2004/03/02 14:57:40
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Line 131 sub Dump {
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Line 131 sub Dump {
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while(($key, $value) = each %$self) { |
while(($key, $value) = each %$self) { |
print STDERR "$key -> $value\n"; |
print STDERR "$key -> $value\n"; |
} |
} |
print "-------------------------------\n"; |
print STDERR "-------------------------------\n"; |
} |
} |
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=pod |
=pod |
Line 199 sub new {
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Line 199 sub new {
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Debug(5, "Connecting to ".$DnsName); |
Debug(5, "Connecting to ".$DnsName); |
# Now create the object... |
# Now create the object... |
my $self = { Host => $DnsName, |
my $self = { Host => $DnsName, |
LoncapaHim => $Hostname, |
LoncapaHim => $Hostname, |
Port => $Port, |
Port => $Port, |
State => "Initialized", |
State => "Initialized", |
TransactionRequest => "", |
TransactionRequest => "", |
TransactionReply => "", |
TransactionReply => "", |
InformReadable => 0, |
InformReadable => 0, |
InformWritable => 0, |
InformWritable => 0, |
TimeoutCallback => undef, |
TimeoutCallback => undef, |
TransitionCallback => undef, |
TransitionCallback => undef, |
Timeoutable => 0, |
Timeoutable => 0, |
TimeoutValue => 30, |
TimeoutValue => 30, |
TimeoutRemaining => 0, |
TimeoutRemaining => 0, |
CipherKey => "", |
CipherKey => "", |
Cipher => undef}; |
LondVersion => "Unknown", |
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Cipher => undef}; |
bless($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}, |
Line 278 sub Readable {
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Line 279 sub Readable {
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my $self = shift; |
my $self = shift; |
my $socket = $self->{Socket}; |
my $socket = $self->{Socket}; |
my $data = ''; |
my $data = ''; |
my $rv = $socket->recv($data, POSIX::BUFSIZ, 0); |
my $rv; |
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if ($socket) { |
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eval { |
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$rv = $socket->recv($data, POSIX::BUFSIZ, 0); |
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} |
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} else { |
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$self->Transition("Disconnected"); |
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return -1; |
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} |
my $errno = $! + 0; # Force numeric context. |
my $errno = $! + 0; # Force numeric context. |
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unless (defined($rv) && length $data) {# Read failed, |
unless (defined($rv) && length $data) {# Read failed, |
Line 316 sub Readable {
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Line 325 sub Readable {
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$self->Transition("ChallengeReceived"); |
$self->Transition("ChallengeReceived"); |
$self->{TimeoutRemaining} = $self->{TimeoutValue}; |
$self->{TimeoutRemaining} = $self->{TimeoutValue}; |
return 0; |
return 0; |
} elsif ($self->{State} eq "ChallengeReplied") { # should be ok. |
} elsif ($self->{State} eq "ChallengeReplied") { |
if($self->{TransactionReply} != "ok\n") { |
if($self->{TransactionReply} ne "ok\n") { |
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$self->Transition("Disconnected"); |
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$socket->close(); |
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return -1; |
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} |
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$self->Transition("RequestingVersion"); |
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$self->{InformReadable} = 0; |
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$self->{InformWritable} = 1; |
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$self->{TransactionRequest} = "version\n"; |
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return 0; |
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} elsif ($self->{State} eq "ReadingVersionString") { |
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$self->{LondVersion} = chomp($self->{TransactionReply}); |
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$self->Transition("SetHost"); |
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$self->{InformReadable} = 0; |
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$self->{InformWritable} = 1; |
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my $peer = $self->{LoncapaHim}; |
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$self->{TransactionRequest}= "sethost:$peer\n"; |
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return 0; |
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} elsif ($self->{State} eq "HostSet") { # should be ok. |
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if($self->{TransactionReply} ne "ok\n") { |
$self->Transition("Disconnected"); |
$self->Transition("Disconnected"); |
$socket->close(); |
$socket->close(); |
return -1; |
return -1; |
Line 393 Returns 0 if successful, or -1 if not.
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Line 421 Returns 0 if successful, or -1 if not.
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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}; |
my $nwritten = $socket->send($self->{TransactionRequest}, 0); |
my $nwritten; |
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if ($socket) { |
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eval { |
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$nwritten = $socket->send($self->{TransactionRequest}, 0); |
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} |
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} else { |
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# For whatever reason, there's no longer a socket left. |
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$self->Transition("Disconnected"); |
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return -1; |
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} |
my $errno = $! + 0; |
my $errno = $! + 0; |
unless (defined $nwritten) { |
unless (defined $nwritten) { |
if($errno != POSIX::EINTR) { |
if($errno != POSIX::EINTR) { |
Line 408 sub Writable {
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Line 447 sub Writable {
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($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 "RequestingKey") { |
} elsif($self->{State} eq "RequestingVersion") { |
$self->Transition("ReceivingKey"); |
$self->Transition("ReadingVersionString"); |
$self->{InformWritable} = 0; |
} elsif ($self->{State} eq "SetHost") { |
$self->{InformReadable} = 1; |
$self->Transition("HostSet"); |
$self->{TransactionReply} = ''; |
} elsif($self->{State} eq "RequestingKey") { |
} elsif ($self->{State} eq "SendingRequest") { |
$self->Transition("ReceivingKey"); |
$self->Transition("ReceivingReply"); |
# $self->{InformWritable} = 0; |
$self->{TimeoutRemaining} = $self->{TimeoutValue}; |
# $self->{InformReadable} = 1; |
} elsif ($self->{State} eq "Disconnected") { |
# $self->{TransactionReply} = ''; |
return -1; |
} elsif ($self->{State} eq "SendingRequest") { |
} |
$self->Transition("ReceivingReply"); |
return 0; |
$self->{TimeoutRemaining} = $self->{TimeoutValue}; |
} |
} elsif ($self->{State} eq "Disconnected") { |
} else { # The write failed (e.g. partner disconnected). |
return -1; |
$self->Transition("Disconnected"); |
} |
$socket->close(); |
return 0; |
return -1; |
} |
} |
} else { # The write failed (e.g. partner disconnected). |
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$self->Transition("Disconnected"); |
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$socket->close(); |
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return -1; |
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} |
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} |
} |
=pod |
=pod |
Line 856 sub read_hosts {
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Line 899 sub read_hosts {
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my $hostref = \%HostsTab; |
my $hostref = \%HostsTab; |
return ($hostref); |
return ($hostref); |
} |
} |
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# |
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# Get the version of our peer. Note that this is only well |
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# defined if the state machine has hit the idle state at least |
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# once (well actually if it has transitioned out of |
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# ReadingVersionString The member data LondVersion is returned. |
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# |
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sub PeerVersion { |
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my $self = shift; |
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return $self->{LondVersion}; |
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} |
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1; |
1; |
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