/**
* Sends a StatusMessage request (local node) to the nearest right and
* left neighbors (in the local node's ConnectionTable) of the new Connection.
*/
protected void UpdateNeighborStatus(object contab, EventArgs args)
{
ConnectionEventArgs cea = (ConnectionEventArgs)args;
if (cea.ConnectionType != ConnectionType.Structured)
{
//We don't do anything,
return;
}
//This is the list we had when things changed
ConnectionList structs = cea.CList;
//structs is constant
if (structs.Count == 0)
{
//There is no one to talk to
return;
}
/*
* Get the data we need about this connection:
*/
Connection con = cea.Connection;
AHAddress new_address = (AHAddress)con.Address;
/*
* Update the left neighbor:
*/
Connection lc = structs.GetLeftNeighborOf(new_address);
EnqueueAction(new UpdateNeighborAction(this, con.ConType, lc));
/*
* Update the right neighbor:
*/
Connection rc = structs.GetRightNeighborOf(new_address);
if (lc != rc)
{
EnqueueAction(new UpdateNeighborAction(this, con.ConType, rc));
}
}
/**
* Sends a StatusMessage request (local node) to the nearest right and
* left neighbors (in the local node's ConnectionTable) of the new Connection.
*/
protected void UpdateNeighborStatus(object contab, EventArgs args)
{
ConnectionEventArgs cea = (ConnectionEventArgs)args;
if (cea.ConnectionType != ConnectionType.Structured)
{
//We don't do anything,
return;
}
//This is the list we had when things changed
ConnectionList structs = cea.CList;
//structs is constant
if (structs.Count == 0)
{
//There is no one to talk to
return;
}
/*
* Get the data we need about this connection:
*/
Connection con = cea.Connection;
string con_type_string = con.ConType;
AHAddress new_address = (AHAddress)con.Address;
/*
* Update the left neighbor:
*/
Connection lc = structs.GetLeftNeighborOf(new_address);
try {
//This edge could ahve been closed, which will
//cause the Rpc to throw an exception
CallGetStatus(con_type_string, lc);
}
catch (EdgeClosedException) {
//Just ignore this connection if it is closed
}
catch (EdgeException ex) {
if (!ex.IsTransient)
{
//Make sure this Edge is closed before going forward
lc.Edge.Close();
}
}
catch (Exception x) {
if (ProtocolLog.Exceptions.Enabled)
{
ProtocolLog.Write(ProtocolLog.Exceptions, String.Format(
"CallGetStatus(left) on {0} failed: {1}", lc, x));
}
}
/*
* Update the right neighbor:
*/
Connection rc = structs.GetRightNeighborOf(new_address);
try {
if ((lc != rc))
{
//This edge could ahve been closed, which will
//cause the Rpc to throw an exception
CallGetStatus(con_type_string, rc);
}
}
catch (EdgeClosedException) {
//Just ignore this connection if it is closed
}
catch (EdgeException ex) {
if (!ex.IsTransient)
{
//Make sure this Edge is closed before going forward
rc.Edge.Close();
}
}
catch (Exception x) {
if (ProtocolLog.Exceptions.Enabled)
{
ProtocolLog.Write(ProtocolLog.Exceptions, String.Format(
"CallGetStatus(right) on {0} failed: {1}", rc, x));
}
}
}