public static EndpointDetails SendingEndpoint(IReadOnlyDictionary <string, string> headers)
{
var endpointDetails = new EndpointDetails();
DictionaryExtensions.CheckIfKeyExists(Headers.OriginatingEndpoint, headers, s => endpointDetails.Name = s);
DictionaryExtensions.CheckIfKeyExists("NServiceBus.OriginatingMachine", headers, s => endpointDetails.Host = s);
DictionaryExtensions.CheckIfKeyExists(Headers.OriginatingHostId, headers, s => endpointDetails.HostId = Guid.Parse(s));
if (!string.IsNullOrEmpty(endpointDetails.Name) && !string.IsNullOrEmpty(endpointDetails.Host))
{
return(endpointDetails);
}
string address = null;
DictionaryExtensions.CheckIfKeyExists(Headers.OriginatingAddress, headers, s => address = s);
if (address != null)
{
var queueAndMachinename = ExtractQueueAndMachineName(address);
endpointDetails.Name = queueAndMachinename.Queue;
endpointDetails.Host = queueAndMachinename.Machine;
return(endpointDetails);
}
return(null);
}
public static EndpointDetails ReceivingEndpoint(IReadOnlyDictionary <string, string> headers)
{
var endpoint = new EndpointDetails();
if (headers.TryGetValue(Headers.HostId, out var hostIdHeader))
{
endpoint.HostId = Guid.Parse(hostIdHeader);
}
if (headers.TryGetValue(Headers.HostDisplayName, out var hostDisplayNameHeader))
{
endpoint.Host = hostDisplayNameHeader;
}
else
{
DictionaryExtensions.CheckIfKeyExists("NServiceBus.ProcessingMachine", headers, s => endpoint.Host = s);
}
DictionaryExtensions.CheckIfKeyExists(Headers.ProcessingEndpoint, headers, s => endpoint.Name = s);
if (!string.IsNullOrEmpty(endpoint.Name) && !string.IsNullOrEmpty(endpoint.Host))
{
return(endpoint);
}
string address = null;
//use the failed q to determine the receiving endpoint
DictionaryExtensions.CheckIfKeyExists("NServiceBus.FailedQ", headers, s => address = s);
// If we have a failed queue, then construct an endpoint from the failed queue information
if (address != null)
{
var queueAndMachinename = ExtractQueueAndMachineName(address);
if (string.IsNullOrEmpty(endpoint.Name))
{
endpoint.Name = queueAndMachinename.Queue;
}
if (string.IsNullOrEmpty(endpoint.Host))
{
endpoint.Host = queueAndMachinename.Machine;
}
// If we've been now able to get the endpoint details, return the new info.
if (!string.IsNullOrEmpty(endpoint.Name) && !string.IsNullOrEmpty(endpoint.Host))
{
return(endpoint);
}
}
return(null);
}
void TryAddEndpoint(EndpointDetails endpointDetails, AuditEnricherContext context)
{
// for backwards compat with version before 4_5 we might not have a hostid
if (endpointDetails.HostId == Guid.Empty)
{
return;
}
if (monitoring.IsNewInstance(endpointDetails))
{
context.AddForSend(new RegisterNewEndpoint
{
DetectedAt = DateTime.UtcNow,
Endpoint = endpointDetails
});
}
}
public bool IsNewInstance(EndpointDetails newEndpointDetails)
{
var endpointInstanceId = DeterministicGuid.MakeId(newEndpointDetails.Name, newEndpointDetails.HostId.ToString());
return(endpoints.TryAdd(endpointInstanceId, null));
}