public OtpEpmdConnection(OtpEpmd epmd, TcpClient sock)
: base("OtpEpmd.OtpEpmdConnection", true)
{
this.epmd = epmd;
this.portmap = epmd.Portmap;
this.sock = sock;
}
/**
* Make public the information needed by remote nodes that may wish to
* connect to this one. This method establishes a connection to the Erlang
* port mapper (Epmd) and registers the server node's name and port so that
* remote nodes are able to connect.
*
* This method will fail if an Epmd process is not running on the localhost.
* See the Erlang documentation for information about starting Epmd.
*
* Note that once this method has been called, the node is expected to be
* available to accept incoming connections. For that reason you should make
* sure that you call {@link #accept()} shortly after calling
* {@link #publishPort()}. When you no longer intend to accept connections
* you should call {@link #unPublishPort()}.
*/
public bool PublishPort()
{
if (Epmd is null)
{
Epmd = OtpEpmd.PublishPort(this);
}
return(Epmd != null);
}
protected override void OnStart(string[] args)
{
if (!m_started)
{
m_epmd = new OtpEpmd();
m_epmd.start();
m_started = true;
}
}
private void unPublishPort()
{
// unregister with epmd
OtpEpmd.unPublishPort(node);
// close the local descriptor (if we have one)
closeSock(node.getEpmd());
node.setEpmd(null);
}
private bool publishPort()
{
if (node.getEpmd() != null)
{
return(false); // already published
}
OtpEpmd.publishPort(node);
return(true);
}
protected override void OnStart(string[] args)
{
if (!m_started)
{
m_epmd = new OtpEpmd();
m_epmd.start();
m_started = true;
}
}
/**
* Make public the information needed by remote nodes that may wish to
* connect to this one. This method establishes a connection to the Erlang
* port mapper (Epmd) and registers the server node's name and port so that
* remote nodes are able to connect.
*
* <p>
* This method will fail if an Epmd process is not running on the localhost.
* See the Erlang documentation for information about starting Epmd.
*
* <p>
* Note that once this method has been called, the node is expected to be
* available to accept incoming connections. For that reason you should make
* sure that you call {@link #accept()} shortly after calling
* {@link #publishPort()}. When you no longer intend to accept connections
* you should call {@link #unPublishPort()}.
*
* @return true if the operation was successful, false if the node was
* already registered.
*
* @exception java.io.IOException
* if the port mapper could not be contacted.
*/
public bool publishPort()
{
if (getEpmd() != null)
{
return(false); // already published
}
OtpEpmd.publishPort(this);
return(getEpmd() != null);
}
/**
* Unregister the server node's name and port number from the Erlang port
* mapper, thus preventing any new connections from remote nodes.
*/
public void UnPublishPort()
{
if (Epmd == null)
{
return;
}
// Unregister
OtpEpmd.UnPublishPort(this);
// Close and ignore errors
OtpTransport.Close(Epmd);
Epmd = null;
}
/**
* Unregister the server node's name and port number from the Erlang port
* mapper, thus preventing any new connections from remote nodes.
*/
public void unPublishPort()
{
// unregister with epmd
OtpEpmd.unPublishPort(this);
// close the local descriptor (if we have one)
try
{
if (getEpmd() != null)
{
closeEpmd();
}
}
catch (IOException) /* ignore close errors */
{
}
base.epmd = null;
}
protected override void OnStart(string[] args)
{
epmd = new OtpEpmd();
epmd.ServeAsync();
}
public OtpEpmdConnection(OtpEpmd epmd, TcpClient sock)
: base("OtpEpmd.OtpEpmdConnection", true)
{
this.epmd = epmd;
this.portmap = epmd.Portmap;
this.sock = sock;
}
// package
/*
* Get the port number used by the remote node.
*
* @return the port number used by the remote node, or 0 if the node was not
* registered with the port mapper.
*
* @exception java.io.IOException if the port mapper could not be contacted.
*/
internal int port()
{
return(OtpEpmd.lookupPort(this));
}
