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 SendingEndpoint(IDictionary <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);
}
var address = Address.Undefined;
DictionaryExtensions.CheckIfKeyExists(Headers.OriginatingAddress, headers, s => address = Address.Parse(s));
if (address != Address.Undefined)
{
endpointDetails.Name = address.Queue;
endpointDetails.Host = address.Machine;
return(endpointDetails);
}
return(null);
}
public static EndpointDetails SendingEndpoint(IDictionary<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;
}
var address = Address.Undefined;
DictionaryExtensions.CheckIfKeyExists(Headers.OriginatingAddress, headers, s => address = Address.Parse(s));
if (address != Address.Undefined)
{
endpointDetails.Name = address.Queue;
endpointDetails.Host = address.Machine;
return endpointDetails;
}
return null;
}
public static EndpointDetails ReceivingEndpoint(IDictionary <string, string> headers)
{
var endpoint = new EndpointDetails();
string hostIdHeader;
if (headers.TryGetValue(Headers.HostId, out hostIdHeader))
{
endpoint.HostId = Guid.Parse(hostIdHeader);
}
string hostDisplayNameHeader;
if (headers.TryGetValue(Headers.HostDisplayName, out 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);
}
var address = Address.Undefined;
//use the failed q to determine the receiving endpoint
DictionaryExtensions.CheckIfKeyExists("NServiceBus.FailedQ", headers, s => address = Address.Parse(s));
// If we have a failed queue, then construct an endpoint from the failed queue information
if (address != Address.Undefined)
{
if (string.IsNullOrEmpty(endpoint.Name))
{
endpoint.Name = address.Queue;
}
if (string.IsNullOrEmpty(endpoint.Host))
{
endpoint.Host = address.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);
}
public static EndpointDetails ReceivingEndpoint(IDictionary<string, string> headers)
{
var endpoint = new EndpointDetails();
string hostIdHeader;
if (headers.TryGetValue(Headers.HostId, out hostIdHeader))
{
endpoint.HostId = Guid.Parse(hostIdHeader);
}
string hostDisplayNameHeader;
if (headers.TryGetValue(Headers.HostDisplayName, out 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;
}
var address = Address.Undefined;
//use the failed q to determine the receiving endpoint
DictionaryExtensions.CheckIfKeyExists("NServiceBus.FailedQ", headers, s => address = Address.Parse(s));
// If we have a failed queue, then construct an endpoint from the failed queue information
if (address != Address.Undefined)
{
if (string.IsNullOrEmpty(endpoint.Name))
{
endpoint.Name = address.Queue;
}
if (string.IsNullOrEmpty(endpoint.Host))
{
endpoint.Host = address.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 HandlePost45Endpoint(EndpointDetails endpointDetails)
{
var endpointInstanceId = DeterministicGuid.MakeId(endpointDetails.Name, endpointDetails.HostId.ToString());
if (KnownEndpointsCache.TryAdd(endpointInstanceId))
{
var registerEndpoint = new RegisterEndpoint
{
EndpointInstanceId = endpointInstanceId,
Endpoint = endpointDetails,
DetectedAt = DateTime.UtcNow
};
Bus.SendLocal(registerEndpoint);
}
}
void HandlePre45Endpoint(EndpointDetails endpointDetails)
{
//since for pre 4.5 endpoints we wont have a hostid then fake one
var endpointInstanceId = DeterministicGuid.MakeId(endpointDetails.Name, endpointDetails.Host);
if (KnownEndpointsCache.TryAdd(endpointInstanceId))
{
var registerEndpoint = new RegisterEndpoint
{
//we don't set then endpoint instance id since we don't have the host id
Endpoint = endpointDetails,
DetectedAt = DateTime.UtcNow
};
Bus.SendLocal(registerEndpoint);
}
}
void TryAddEndpoint(EndpointDetails endpointDetails)
{
// SendingEndpoint will be null for messages that are from v3.3.x endpoints because we don't
// have the relevant information via the headers, which were added in v4.
// The ReceivingEndpoint will be null for messages from v3.3.x endpoints that were successfully
// processed because we dont have the information from the relevant headers.
if (endpointDetails == null)
{
return;
}
// for backwards compat with version before 4_5 we might not have a hostid
if (endpointDetails.HostId == Guid.Empty)
{
HandlePre45Endpoint(endpointDetails);
return;
}
HandlePost45Endpoint(endpointDetails);
}
