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Handle Fedora's telnet output:

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*** c0 : ('echo A | telnet -e A 127.0.0.1 6633',)
telnet: connect to address 127.0.0.1: Connection refused
Telnet escape character is 'A'.
Trying 127.0.0.1...
Unable to contact the remote controller at 127.0.0.1:6633
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This commit is contained in:
Jose Pedro Oliveira
2013-08-22 00:57:14 +01:00
parent 15f2d240d6
commit 3d89df13ef
1 changed files with 2 additions and 2 deletions
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mininet/node.py
+2 -2
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@@ -1140,7 +1140,7 @@ class Controller( Node ):
"installed." ) "installed." )
listening = self.cmd( "echo A | telnet -e A %s %d" % listening = self.cmd( "echo A | telnet -e A %s %d" %
( self.ip, self.port ) ) ( self.ip, self.port ) )
if 'Unable' not in listening: if 'refused' not in listening:
servers = self.cmd( 'netstat -atp' ).split( '\n' ) servers = self.cmd( 'netstat -atp' ).split( '\n' )
pstr = ':%d ' % self.port pstr = ':%d ' % self.port
clist = servers[ 0:1 ] + [ s for s in servers if pstr in s ] clist = servers[ 0:1 ] + [ s for s in servers if pstr in s ]
@@ -1235,6 +1235,6 @@ class RemoteController( Controller ):
"Warn if remote controller is not accessible" "Warn if remote controller is not accessible"
listening = self.cmd( "echo A | telnet -e A %s %d" % listening = self.cmd( "echo A | telnet -e A %s %d" %
( self.ip, self.port ) ) ( self.ip, self.port ) )
if 'Unable' in listening: if 'refused' in listening:
warn( "Unable to contact the remote controller" warn( "Unable to contact the remote controller"
" at %s:%d\n" % ( self.ip, self.port ) ) " at %s:%d\n" % ( self.ip, self.port ) )