public void TraceEventHelper(TraceEventType severity, int traceCode, string traceDescription, Exception e,
string action, PeerNeighborState nbrState, PeerNeighborState previousOrAttemptedState)
{
if (DiagnosticUtility.ShouldTrace(severity))
{
string attemptedState = null;
string previousState = null;
PeerNodeAddress listenAddr = null;
IPAddress connectIPAddr = null;
if (nbrState >= PeerNeighborState.Opened && nbrState <= PeerNeighborState.Connected)
{
listenAddr = this.ListenAddress;
connectIPAddr = this.ConnectIPAddress;
}
if (traceCode == TraceCode.PeerNeighborStateChangeFailed)
attemptedState = previousOrAttemptedState.ToString();
else if (traceCode == TraceCode.PeerNeighborStateChanged)
previousState = previousOrAttemptedState.ToString();
PeerNeighborTraceRecord record = new PeerNeighborTraceRecord(this.nodeId,
this.config.NodeId, listenAddr, connectIPAddr, this.GetHashCode(),
this.initiator, nbrState.ToString(), previousState, attemptedState, action);
if (severity == TraceEventType.Verbose && e != null)
severity = TraceEventType.Information; // need to be >= info for exceptions
TraceUtility.TraceEvent(severity, traceCode, traceDescription, record, this, e);
}
}
public void TraceClosedEvent(PeerNeighborState previousState)
{
if (DiagnosticUtility.ShouldTraceInformation)
{
TraceEventType severity = TraceEventType.Information;
// Override tracing severity based on close reason
switch (this.closeReason)
{
case PeerCloseReason.InvalidNeighbor:
case PeerCloseReason.DuplicateNodeId:
severity = TraceEventType.Error;
break;
case PeerCloseReason.ConnectTimedOut:
case PeerCloseReason.InternalFailure:
case PeerCloseReason.Faulted:
severity = TraceEventType.Warning;
break;
}
PeerNeighborCloseTraceRecord record = new PeerNeighborCloseTraceRecord(
this.nodeId, this.config.NodeId, null, null,
this.GetHashCode(), this.initiator,
PeerNeighborState.Closed.ToString(), previousState.ToString(), null,
this.closeInitiator.ToString(), this.closeReason.ToString()
);
TraceUtility.TraceEvent(severity, TraceCode.PeerNeighborStateChanged,
SR.GetString(SR.TraceCodePeerNeighborStateChanged), record, this, this.closeException);
}
}
private IPeerNeighbor GetNeighbor()
{
IPeerNeighbor neighbor = this.getNeighborCallback(OperationContext.Current.GetCallbackChannel <IPeerProxy>());
if ((neighbor == null) || (neighbor.State == PeerNeighborState.Closed))
{
if (DiagnosticUtility.ShouldTraceWarning)
{
TraceUtility.TraceEvent(TraceEventType.Warning, 0x40036, System.ServiceModel.SR.GetString("TraceCodePeerNeighborNotFound"), new PeerNodeTraceRecord(this.config.NodeId), OperationContext.Current.IncomingMessage);
}
return(null);
}
if (DiagnosticUtility.ShouldTraceVerbose)
{
PeerNeighborState state = neighbor.State;
PeerNodeAddress listenAddress = null;
IPAddress connectIPAddress = null;
if ((state >= PeerNeighborState.Opened) && (state <= PeerNeighborState.Connected))
{
listenAddress = this.config.GetListenAddress(true);
connectIPAddress = this.config.ListenIPAddress;
}
PeerNeighborTraceRecord extendedData = new PeerNeighborTraceRecord(neighbor.NodeId, this.config.NodeId, listenAddress, connectIPAddress, neighbor.GetHashCode(), neighbor.IsInitiator, state.ToString(), null, null, OperationContext.Current.IncomingMessage.Headers.Action);
TraceUtility.TraceEvent(TraceEventType.Verbose, 0x4003a, System.ServiceModel.SR.GetString("TraceCodePeerNeighborMessageReceived"), extendedData, this, null);
}
return(neighbor);
}
// Throws if the new state being set on the neighbor is invalid compared to the
// current state (such as setting state to connecting when it is already in
// disconnected state). Also throws if neighbor is already closed.
// NOTE: This method should be called within the lock.
void ThrowIfInvalidState(PeerNeighborState newState)
{
if (this.state == PeerNeighborState.Closed)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ObjectDisposedException(
this.ToString()));
}
if (this.state >= newState)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.GetString(SR.PeerNeighborInvalidState, this.state.ToString(),
newState.ToString())));
}
}
IPeerNeighbor GetNeighbor()
{
IPeerNeighbor neighbor = (IPeerNeighbor)getNeighborCallback(OperationContext.Current.GetCallbackChannel <IPeerProxy>());
if (neighbor == null || neighbor.State == PeerNeighborState.Closed)
{
if (DiagnosticUtility.ShouldTraceWarning)
{
TraceUtility.TraceEvent(TraceEventType.Warning, TraceCode.PeerNeighborNotFound,
SR.GetString(SR.TraceCodePeerNeighborNotFound),
new PeerNodeTraceRecord(config.NodeId),
OperationContext.Current.IncomingMessage);
}
return(null);
}
if (DiagnosticUtility.ShouldTraceVerbose)
{
PeerNeighborState state = neighbor.State;
PeerNodeAddress listenAddr = null;
IPAddress connectIPAddr = null;
if (state >= PeerNeighborState.Opened && state <= PeerNeighborState.Connected)
{
listenAddr = config.GetListenAddress(true);
connectIPAddr = config.ListenIPAddress;
}
PeerNeighborTraceRecord record = new PeerNeighborTraceRecord(neighbor.NodeId,
this.config.NodeId, listenAddr, connectIPAddr, neighbor.GetHashCode(),
neighbor.IsInitiator, state.ToString(), null, null,
OperationContext.Current.IncomingMessage.Headers.Action);
TraceUtility.TraceEvent(TraceEventType.Verbose, TraceCode.PeerNeighborMessageReceived, SR.GetString(SR.TraceCodePeerNeighborMessageReceived), record, this, null);
}
return(neighbor);
}