public static void IncomingRemoteCall()
{
IIncomingRemoteCallTracer incomingRemoteCallTracer = SampleApplication.OneAgentSdk
.TraceIncomingRemoteCall("RemoteMethod", "RemoteServiceName", "mrcp://endpoint/service");
string incomingDynatraceStringTag = string.Empty; // retrieve from incoming call metadata
incomingRemoteCallTracer.SetDynatraceStringTag(incomingDynatraceStringTag); // link both sides of the remote call together
incomingRemoteCallTracer.SetProtocolName("MyRemoteCallProtocol");
incomingRemoteCallTracer.Start();
try
{
ProcessRemoteCall();
}
catch (Exception e)
{
incomingRemoteCallTracer.Error(e);
// handle or rethrow
}
finally
{
incomingRemoteCallTracer.End();
}
}
public static void RemoteCallWithDatabase()
{
IOutgoingRemoteCallTracer outgoingRemoteCallTracer = SampleApplication.OneAgentSdk
.TraceOutgoingRemoteCall("RemoteMethod", "RemoteServiceName", "mrcp://endpoint/service", ChannelType.TCP_IP, "myRemoteHost:1234");
outgoingRemoteCallTracer.SetProtocolName("MyRemoteCallProtocol");
outgoingRemoteCallTracer.Start();
try
{
string outgoingDynatraceStringTag = outgoingRemoteCallTracer.GetDynatraceStringTag();
// make the call and transport the tag across to the server to link both sides of the remote call
// represents server side processing
Thread server = new Thread(() =>
{
IIncomingRemoteCallTracer incomingRemoteCallTracer = SampleApplication.OneAgentSdk
.TraceIncomingRemoteCall("RemoteMethod", "RemoteServiceName", "mrcp://endpoint/service");
string incomingDynatraceStringTag = outgoingDynatraceStringTag; // retrieve from incoming call metadata
incomingRemoteCallTracer.SetDynatraceStringTag(incomingDynatraceStringTag);
incomingRemoteCallTracer.SetProtocolName("MyRemoteCallProtocol");
incomingRemoteCallTracer.Start();
try
{
// execute database request on server
DatabaseRequestTracerSamples.Sync_StartEnd();
}
catch (Exception e)
{
incomingRemoteCallTracer.Error(e);
// handle or rethrow
}
finally
{
incomingRemoteCallTracer.End();
}
});
server.Start();
server.Join(); // sync call, wait for db result
}
catch (Exception e)
{
outgoingRemoteCallTracer.Error(e);
// handle or rethrow
}
finally
{
outgoingRemoteCallTracer.End();
}
}
/// <summary>
/// Demonstrates an outgoing remote call originating from a client and being processed by a server.
/// The Dynatrace tag is used to link both sides of the call together.
/// </summary>
public static void LinkedAsyncRemoteCall()
{
IOutgoingRemoteCallTracer outgoingRemoteCallTracer = SampleApplication.OneAgentSdk
.TraceOutgoingRemoteCall("RemoteMethod", "RemoteServiceName", "mrcp://endpoint/service", ChannelType.TCP_IP, "myRemoteHost:1234");
outgoingRemoteCallTracer.SetProtocolName("MyRemoteCallProtocol");
outgoingRemoteCallTracer.Start();
try
{
string outgoingDynatraceStringTag = outgoingRemoteCallTracer.GetDynatraceStringTag();
// make the call and transport the tag across to the server to link both sides of the remote call together
// represents server side processing
Thread server = new Thread(() =>
{
IIncomingRemoteCallTracer incomingRemoteCallTracer = SampleApplication.OneAgentSdk
.TraceIncomingRemoteCall("RemoteMethod", "RemoteServiceName", "mrcp://endpoint/service");
string incomingDynatraceStringTag = outgoingDynatraceStringTag; // retrieve from incoming call metadata
incomingRemoteCallTracer.SetDynatraceStringTag(incomingDynatraceStringTag); // link both sides of the remote call together
incomingRemoteCallTracer.SetProtocolName("MyRemoteCallProtocol");
incomingRemoteCallTracer.Start();
try
{
ProcessRemoteCall();
}
catch (Exception e)
{
incomingRemoteCallTracer.Error(e);
// handle or rethrow
}
finally
{
incomingRemoteCallTracer.End();
}
});
server.Start();
// async processing on server
}
catch (Exception e)
{
outgoingRemoteCallTracer.Error(e);
// handle or rethrow
}
finally
{
outgoingRemoteCallTracer.End();
}
}
public static void InProcessLinkTracerSample()
{
// start a custom background worker
CustomBackgroundWorker customBackgroundWorker = new CustomBackgroundWorker();
// we're using the incoming remote call tracer as an example for an active service call
IIncomingRemoteCallTracer incomingRemoteCallTracer = SampleApplication.OneAgentSdk
.TraceIncomingRemoteCall("RemoteMethod", "RemoteServiceName", "mrcp://endpoint/service");
incomingRemoteCallTracer.Start();
try
{
// create an in-process link on the originating thread
IInProcessLink inProcessLink = SampleApplication.OneAgentSdk.CreateInProcessLink();
// delegate work to another thread, in this case we use a custom background worker implementation
customBackgroundWorker.EnqueueWorkItem(() =>
{
// use the in-process link to link the PurePath on the target thread to its origin
IInProcessLinkTracer inProcessLinkTracer = SampleApplication.OneAgentSdk.TraceInProcessLink(inProcessLink);
inProcessLinkTracer.Start();
DatabaseRequestTracerSamples.Sync_StartEnd(); // performs a database request traced using the IDatabaseRequestTracer
inProcessLinkTracer.End();
});
// the same link can be re-used multiple times
customBackgroundWorker.EnqueueWorkItem(() =>
{
IInProcessLinkTracer inProcessLinkTracer = SampleApplication.OneAgentSdk.TraceInProcessLink(inProcessLink);
inProcessLinkTracer.Trace(() =>
{
DatabaseRequestTracerSamples.Sync_StartEnd();
});
});
customBackgroundWorker.EnqueueWorkItem(() =>
{
IInProcessLinkTracer inProcessLinkTracer = SampleApplication.OneAgentSdk.TraceInProcessLink(inProcessLink);
inProcessLinkTracer.Trace(DatabaseRequestTracerSamples.Sync_StartEnd);
});
}
catch (Exception e)
{
incomingRemoteCallTracer.Error(e);
throw e;
}
finally
{
incomingRemoteCallTracer.End();
customBackgroundWorker.Shutdown();
}
}
public override Task <Hipstershop.Cart> GetCart(GetCartRequest request, ServerCallContext context)
{
IIncomingRemoteCallTracer incomingRemoteCallTracer = getTracer(context, "GetCart");
try {
incomingRemoteCallTracer.Start();
return(cartStore.GetCartAsync(request.UserId));
} catch (Exception e) {
Console.WriteLine(e.ToString());
incomingRemoteCallTracer.Error(e);
} finally {
incomingRemoteCallTracer.End();
}
return(null);
}
public async override Task <Empty> EmptyCart(EmptyCartRequest request, ServerCallContext context)
{
IIncomingRemoteCallTracer incomingRemoteCallTracer = getTracer(context, "EmptyCart");
try {
await incomingRemoteCallTracer.TraceAsync(() => cartStore.EmptyCartAsync(request.UserId));
} catch (Exception e) {
Console.WriteLine(e.ToString());
incomingRemoteCallTracer.Error(e);
} finally {
incomingRemoteCallTracer.End();
}
return(Empty);
}
public async override Task <Empty> AddItem(AddItemRequest request, Grpc.Core.ServerCallContext context)
{
IIncomingRemoteCallTracer incomingRemoteCallTracer = getTracer(context, "AddItem");
try {
await incomingRemoteCallTracer.TraceAsync(() => cartStore.AddItemAsync(request.UserId, request.Item.ProductId, request.Item.Quantity));
} catch (Exception e) {
Console.WriteLine(e.ToString());
incomingRemoteCallTracer.Error(e);
} finally {
incomingRemoteCallTracer.End();
}
return(Empty);
}
public static void CustomRequestAttributeSample()
{
// we're using the incoming remote call tracer as an example for an active service call
IIncomingRemoteCallTracer incomingRemoteCallTracer = SampleApplication.OneAgentSdk
.TraceIncomingRemoteCall("RemoteMethod", "RemoteServiceName", "mrcp://endpoint/service");
incomingRemoteCallTracer.Trace(() =>
{
// do processing ...
// set custom request attributes
SampleApplication.OneAgentSdk.AddCustomRequestAttribute("region", "EMEA"); // string value
SampleApplication.OneAgentSdk.AddCustomRequestAttribute("salesAmount", 2500); // long value
SampleApplication.OneAgentSdk.AddCustomRequestAttribute("service-quality", 0.707106); // double value
// set multiple values for same key
SampleApplication.OneAgentSdk.AddCustomRequestAttribute("account-group", 1);
SampleApplication.OneAgentSdk.AddCustomRequestAttribute("account-group", 2);
SampleApplication.OneAgentSdk.AddCustomRequestAttribute("account-group", 3);
});
}
private IIncomingRemoteCallTracer getTracer(Grpc.Core.ServerCallContext context, string methodname)
{
try {
Metadata.Entry metadataEntry = context.RequestHeaders.FirstOrDefault(m => String.Equals(m.Key, "x-dynatrace"));
if (metadataEntry.Equals(default(Metadata.Entry)) || metadataEntry.Value == null)
{
Console.WriteLine("No x-dynatrace header found in the request.");
return(null);
}
string incomingDynatraceStringTag = metadataEntry.Value;
IIncomingRemoteCallTracer incomingRemoteCallTracer = oneAgentSdk.TraceIncomingRemoteCall(methodname, "CartService", "grpc://cartservice/" + methodname);
incomingRemoteCallTracer.SetDynatraceStringTag(incomingDynatraceStringTag);
incomingRemoteCallTracer.SetProtocolName("gRPC");
return(incomingRemoteCallTracer);
} catch (Exception e) {
Console.WriteLine(e.ToString());
return(null);
}
}
