private InvocationLogViewModel CreateInvocationEntry(Guid id)
{
InvocationLogViewModel invocationModel = null;
string cacheKey = "INVOCATION_MODEL_" + id;
if (HttpRuntime.Cache != null)
{
invocationModel = HttpRuntime.Cache.Get(cacheKey) as InvocationLogViewModel;
if (invocationModel == null)
{
var invocation = _functionInstanceLookup.Lookup(id);
if (invocation != null)
{
invocationModel = new InvocationLogViewModel(invocation, HostInstanceHasHeartbeat(invocation));
if (invocationModel.IsFinal())
{
HttpRuntime.Cache.Insert(cacheKey, invocationModel, null, Cache.NoAbsoluteExpiration, TimeSpan.FromMinutes(30));
}
}
}
}
else
{
var invocation = _functionInstanceLookup.Lookup(id);
if (invocation != null)
{
invocationModel = new InvocationLogViewModel(invocation, HostInstanceHasHeartbeat(invocation));
}
}
return(invocationModel);
}
public IHttpActionResult Output(string id, int start = 0)
{
// Parse the ID
Guid funcId;
if (!Guid.TryParse(id, out funcId))
{
return(BadRequest());
}
// Get the invocation log
var instance = _functionInstanceLookup.Lookup(funcId);
if (instance == null)
{
return(NotFound());
}
if (instance.InlineOutputText != null)
{
return(new TextResult(instance.InlineOutputText, Request));
}
LocalBlobDescriptor outputBlobDescriptor = instance.OutputBlob;
if (outputBlobDescriptor == null)
{
return(NotFound());
}
CloudBlockBlob blob = outputBlobDescriptor.GetBlockBlob(_account);
var sb = new StringBuilder();
var stream = blob.OpenRead();
try
{
using (var sr = new StreamReader(stream))
{
stream = null;
string line = sr.ReadLine();
for (int i = 0; line != null; i++, line = sr.ReadLine())
{
if (i >= start)
{
sb.AppendLine(line);
}
}
}
}
finally
{
if (stream != null)
{
stream.Dispose();
}
}
return(new TextResult(sb.ToString(), Request));
}
private FunctionSnapshot GetFunctionFromInstance(string id, out Guid parsed, out FunctionInstanceSnapshot snapshot)
{
if (!Guid.TryParse(id, out parsed))
{
snapshot = null;
return(null);
}
snapshot = _functionInstanceLookup.Lookup(parsed);
if (snapshot == null)
{
return(null);
}
return(GetFunction(snapshot.FunctionId));
}
private DateTimeOffset?GetFunctionCompletedTime(Guid functionInstanceId)
{
FunctionInstanceSnapshot primaryLog = _functionInstanceLookup.Lookup(functionInstanceId);
return(primaryLog != null ? primaryLog.EndTime : null);
}