version 1.15, 2003/10/28 11:15:10
|
version 1.24, 2004/02/09 10:57:37
|
Line 46 my %hostshash;
|
Line 46 my %hostshash;
|
my %perlvar; |
my %perlvar; |
|
|
# |
# |
|
# Set debugging level |
|
# |
|
sub SetDebug { |
|
$DebugLevel = shift; |
|
} |
|
|
|
# |
# The config read is done in this way to support the read of |
# The config read is done in this way to support the read of |
# the non-default configuration file in the |
# the non-default configuration file in the |
# event we are being used outside of loncapa. |
# event we are being used outside of loncapa. |
Line 60 sub ReadConfig {
|
Line 67 sub ReadConfig {
|
my $perlvarref = read_conf('loncapa.conf'); |
my $perlvarref = read_conf('loncapa.conf'); |
%perlvar = %{$perlvarref}; |
%perlvar = %{$perlvarref}; |
my $hoststab = read_hosts( |
my $hoststab = read_hosts( |
"$perlvar{'lonTabDir'}/hosts.tab") || |
"$perlvar{lonTabDir}/hosts.tab") || |
die "Can't read host table!!"; |
die "Can't read host table!!"; |
%hostshash = %{$hoststab}; |
%hostshash = %{$hoststab}; |
|
$ConfigRead = 1; |
|
|
} |
} |
|
|
Line 84 sub ReadForeignConfig {
|
Line 92 sub ReadForeignConfig {
|
my $MyHost = shift; |
my $MyHost = shift; |
my $Filename = shift; |
my $Filename = shift; |
|
|
|
&Debug(4, "ReadForeignConfig $MyHost $Filename\n"); |
|
|
$perlvar{lonHostID} = $MyHost; # Rmember my host. |
$perlvar{lonHostID} = $MyHost; # Rmember my host. |
my $hosttab = read_hosts($Filename) || |
my $hosttab = read_hosts($Filename) || |
die "Can't read hosts table!!"; |
die "Can't read hosts table!!"; |
%hostshash = %{$hosttab} |
%hostshash = %{$hosttab}; |
|
if($DebugLevel > 3) { |
|
foreach my $host (keys %hostshash) { |
|
print "host $host => $hostshash{$host}\n"; |
|
} |
|
} |
|
$ConfigRead = 1; |
|
|
} |
} |
|
|
Line 112 sub Dump {
|
Line 127 sub Dump {
|
my $self = shift; |
my $self = shift; |
my $key; |
my $key; |
my $value; |
my $value; |
print "Dumping LondConnectionObject:\n"; |
print STDERR "Dumping LondConnectionObject:\n"; |
while(($key, $value) = each %$self) { |
while(($key, $value) = each %$self) { |
print STDERR "$key -> $value\n"; |
print STDERR "$key -> $value\n"; |
} |
} |
print "-------------------------------\n"; |
print STDERR "-------------------------------\n"; |
} |
} |
|
|
=pod |
=pod |
Line 176 sub new {
|
Line 191 sub new {
|
# LoncapaHim fields of the object respectively. |
# LoncapaHim fields of the object respectively. |
# |
# |
if (!exists $hostshash{$Hostname}) { |
if (!exists $hostshash{$Hostname}) { |
|
&Debug(8, "No Such host $Hostname"); |
return undef; # No such host!!! |
return undef; # No such host!!! |
} |
} |
my @ConfigLine = @{$hostshash{$Hostname}}; |
my @ConfigLine = @{$hostshash{$Hostname}}; |
Line 183 sub new {
|
Line 199 sub new {
|
Debug(5, "Connecting to ".$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 => $Port, |
State => "Initialized", |
State => "Initialized", |
TransactionRequest => "", |
TransactionRequest => "", |
TransactionReply => "", |
TransactionReply => "", |
InformReadable => 0, |
InformReadable => 0, |
InformWritable => 0, |
InformWritable => 0, |
TimeoutCallback => undef, |
TimeoutCallback => undef, |
TransitionCallback => undef, |
TransitionCallback => undef, |
Timeoutable => 0, |
Timeoutable => 0, |
TimeoutValue => 30, |
TimeoutValue => 30, |
TimeoutRemaining => 0, |
TimeoutRemaining => 0, |
CipherKey => "", |
CipherKey => "", |
Cipher => undef}; |
LondVersion => "Unknown", |
|
Cipher => undef}; |
bless($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 300 sub Readable {
|
Line 317 sub Readable {
|
$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") { |
$self->Transition("Disconnected"); |
$self->Transition("Disconnected"); |
$socket->close(); |
$socket->close(); |
return -1; |
return -1; |
} |
} |
$self->Transition("RequestingKey"); |
$self->Transition("RequestingVersion"); |
$self->{InformReadable} = 0; |
$self->{InformReadable} = 0; |
$self->{InformWritable} = 1; |
$self->{InformWritable} = 1; |
$self->{TransactionRequest} = "ekey\n"; |
$self->{TransactionRequest} = "version\n"; |
return 0; |
return 0; |
|
} elsif ($self->{State} eq "ReadingVersionString") { |
|
$self->{LondVersion} = chomp($self->{TransactionReply}); |
|
$self->Transition("SetHost"); |
|
$self->{InformReadable} = 0; |
|
$self->{InformWritable} = 1; |
|
my $peer = $self->{LoncapaHim}; |
|
$self->{TransactionRequest}= "sethost:$peer\n"; |
|
return 0; |
|
} elsif ($self->{State} eq "HostSet") { # should be ok. |
|
if($self->{TransactionReply} ne "ok\n") { |
|
$self->Transition("Disconnected"); |
|
$socket->close(); |
|
return -1; |
|
} |
|
$self->Transition("RequestingKey"); |
|
$self->{InformReadable} = 0; |
|
$self->{InformWritable} = 1; |
|
$self->{TransactionRequest} = "ekey\n"; |
|
return 0; |
} elsif ($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 392 sub Writable {
|
Line 428 sub Writable {
|
($errno == POSIX::EINTR) || |
($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). |
|
$self->Transition("Disconnected"); |
|
$socket->close(); |
|
return -1; |
|
} |
|
|
} |
} |
=pod |
=pod |
Line 546 Shuts down the socket.
|
Line 586 Shuts down the socket.
|
sub Shutdown { |
sub Shutdown { |
my $self = shift; |
my $self = shift; |
my $socket = $self->GetSocket(); |
my $socket = $self->GetSocket(); |
$socket->shutdown(2); |
Debug(5,"socket is -$socket-"); |
|
if ($socket) { |
|
# Ask lond to exit too. Non blocking so |
|
# there is no cost for failure. |
|
eval { |
|
$socket->send("exit\n", 0); |
|
$socket->shutdown(2); |
|
} |
|
} |
} |
} |
|
|
=pod |
=pod |
Line 768 sub read_conf
|
Line 816 sub read_conf
|
my %perlvar; |
my %perlvar; |
foreach my $filename (@conf_files,'loncapa_apache.conf') |
foreach my $filename (@conf_files,'loncapa_apache.conf') |
{ |
{ |
|
if($DebugLevel > 3) { |
|
print("Going to read $confdir.$filename\n"); |
|
} |
open(CONFIG,'<'.$confdir.$filename) or |
open(CONFIG,'<'.$confdir.$filename) or |
die("Can't read $confdir$filename"); |
die("Can't read $confdir$filename"); |
while (my $configline=<CONFIG>) |
while (my $configline=<CONFIG>) |
Line 781 sub read_conf
|
Line 832 sub read_conf
|
} |
} |
close(CONFIG); |
close(CONFIG); |
} |
} |
|
if($DebugLevel > 3) { |
|
print "Dumping perlvar:\n"; |
|
foreach my $var (keys %perlvar) { |
|
print "$var = $perlvar{$var}\n"; |
|
} |
|
} |
my $perlvarref=\%perlvar; |
my $perlvarref=\%perlvar; |
return ($perlvarref); |
return $perlvarref; |
} |
} |
|
|
#---------------------- Subroutine read_hosts: Read a LON-CAPA hosts.tab |
#---------------------- Subroutine read_hosts: Read a LON-CAPA hosts.tab |
# formatted configuration file. |
# formatted configuration file. |
Line 797 sub read_hosts {
|
Line 854 sub read_hosts {
|
my $Filename = shift; |
my $Filename = shift; |
my %HostsTab; |
my %HostsTab; |
|
|
open(CONFIG,'<'.$Filename) or die("Can't read $Filename"); |
open(CONFIG,'<'.$Filename) or die("Can't read $Filename"); |
while (my $line = <CONFIG>) { |
while (my $line = <CONFIG>) { |
if (!($line =~ /^\s*\#/)) { |
if (!($line =~ /^\s*\#/)) { |
my @items = split(/:/, $line); |
my @items = split(/:/, $line); |
Line 823 sub read_hosts {
|
Line 880 sub read_hosts {
|
my $hostref = \%HostsTab; |
my $hostref = \%HostsTab; |
return ($hostref); |
return ($hostref); |
} |
} |
|
# |
|
# Get the version of our peer. Note that this is only well |
|
# defined if the state machine has hit the idle state at least |
|
# once (well actually if it has transitioned out of |
|
# ReadingVersionString The member data LondVersion is returned. |
|
# |
|
sub PeerVersion { |
|
my $self = shift; |
|
|
|
return $self->{LondVersion}; |
|
} |
|
|
1; |
1; |
|
|