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java.lang.Objectorg.opennms.netmgt.capsd.AbstractPlugin
org.opennms.netmgt.capsd.SshPlugin
This class is designed to be used by the capabilities daemon to test for the existance of an TCP server on remote interfaces. The class implements the Plugin interface that allows it to be used along with other plugins by the daemon.
Field Summary | |
private static int |
DEFAULT_RETRY
Default number of retries for TCP requests |
private static int |
DEFAULT_TIMEOUT
Default timeout (in milliseconds) for TCP requests |
private static java.lang.String |
PROTOCOL_NAME
The protocol supported by the plugin |
Constructor Summary | |
SshPlugin()
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Method Summary | |
java.lang.String |
getProtocolName()
Returns the name of the protocol that this plugin checks on the target system for support. |
boolean |
isProtocolSupported(java.net.InetAddress address)
Returns true if the protocol defined by this plugin is supported. |
boolean |
isProtocolSupported(java.net.InetAddress address,
java.util.Map qualifiers)
Returns true if the protocol defined by this plugin is supported. |
private boolean |
isServer(java.net.InetAddress host,
int port,
int retries,
int timeout,
org.apache.regexp.RE regex,
java.lang.StringBuffer bannerResult)
Test to see if the passed host-port pair is the endpoint for a TCP server. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
private static final java.lang.String PROTOCOL_NAME
private static final int DEFAULT_RETRY
private static final int DEFAULT_TIMEOUT
Constructor Detail |
public SshPlugin()
Method Detail |
private boolean isServer(java.net.InetAddress host, int port, int retries, int timeout, org.apache.regexp.RE regex, java.lang.StringBuffer bannerResult)
Test to see if the passed host-port pair is the endpoint for a TCP server. If there is a TCP server at that destination then a value of true is returned from the method. Otherwise a false value is returned to the caller. In order to return true the remote host must generate a banner line which contains the text from the bannerMatch argument.
host
- The remote host to connect to.port
- The remote port on the host.bannerResult
- Banner line generated by the remote host must contain this
text.
public java.lang.String getProtocolName()
getProtocolName
in interface Plugin
getProtocolName
in class AbstractPlugin
public boolean isProtocolSupported(java.net.InetAddress address)
isProtocolSupported
in interface Plugin
isProtocolSupported
in class AbstractPlugin
address
- The address to check for support.
java.lang.UnsupportedOperationException
- This is always thrown by this plugin.public boolean isProtocolSupported(java.net.InetAddress address, java.util.Map qualifiers)
isProtocolSupported
in interface Plugin
isProtocolSupported
in class AbstractPlugin
address
- The address to check for support.qualifiers
- The map where qualification are set by the plugin.
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