/// <summary>
/// Deserialise an API call from JSON
/// </summary>
/// <param name="apiArr">The serialised call data</param>
/// <param name="trace">The trace the call belongs to</param>
/// <param name="apiObj">The resulting API object</param>
/// <returns></returns>
public static bool TryDeserialise(JArray apiArr, TraceRecord trace, out APICALL?apiObj)
{
apiObj = null;
if (apiArr[0].Type is not JTokenType.Date)
{
return(false);
}
DateTime graphConstructed = apiArr[0].ToObject <DateTime>();
ProtoGraph?graph = trace.GetProtoGraphByTime(graphConstructed);
if (graph is null)
{
return(false);
}
apiObj = new APICALL(graph)
{
Node = graph.NodeList[apiArr[1].ToObject <int>()],
Index = apiArr[2].ToObject <int>(),
Repeats = apiArr[3].ToObject <ulong>(),
UniqID = apiArr[4].ToObject <uint>()
};
if (apiArr[5] is not null)
{
if (!DeserialiseEffects(apiArr[5], apiObj))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Deserialise a timeline event from JSON
/// </summary>
/// <param name="jsnReader">A JsonReader for the trace file</param>
/// <param name="serializer">A JsonSerializer</param>
/// <param name="trace">The trace assocated with the timeline event</param>
public TIMELINE_EVENT(JsonReader jsnReader, JsonSerializer serializer, TraceRecord trace) : base(eLogFilterBaseType.TimeLine)
{
jsnReader.Read();
JArray?itemMeta = serializer.Deserialize <JArray>(jsnReader);
if (itemMeta is null || itemMeta.Count != 3)
{
return;
}
_eventType = itemMeta[0].ToObject <eTimelineEvent>();
JToken idTok = itemMeta[1];
JToken pIdTok = itemMeta[2];
//_item = item;
switch (_eventType)
{
case eTimelineEvent.ProcessStart:
case eTimelineEvent.ProcessEnd:
SetIDs(ID: idTok.ToObject <ulong>(), parentID: pIdTok.ToObject <ulong>());
_item = trace.GetTraceByID(ID) !;
Inited = true;
break;
case eTimelineEvent.ThreadStart:
case eTimelineEvent.ThreadEnd:
Debug.Assert(trace.ParentTrace == null || idTok.ToObject <ulong>() == trace.ParentTrace.PID);
SetIDs(ID: idTok.ToObject <ulong>());
_item = trace.GetProtoGraphByTID(ID) !;
Inited = true;
break;
case eTimelineEvent.APICall:
jsnReader.Read();
JArray?apiArr = serializer.Deserialize <JArray>(jsnReader);
if (apiArr is null)
{
Logging.RecordError("No APICALL data in timeline api event");
return;
}
if (!APICALL.TryDeserialise(apiArr, trace, out APICALL? apiObj) || apiObj is null)
{
Logging.RecordError("Bad APICALL data in timeline api event");
return;
}
SetIDs(ID: idTok.ToObject <ulong>(), parentID: pIdTok.ToObject <ulong>());
_item = apiObj;
Inited = true;
break;
default:
Debug.Assert(false, "Bad timeline event");
break;
}
}
/// <summary>
/// Serialise the timeline event to JSON
/// </summary>
public void Serialise(Newtonsoft.Json.JsonWriter writer, Newtonsoft.Json.JsonSerializer serializer)
{
Debug.Assert(_item is not null);
JArray meta = new JArray
{
TimelineEventType,
ID,
Parent
};
meta.WriteTo(writer);
if (TimelineEventType == eTimelineEvent.APICall)
{
APICALL apic = (Logging.APICALL)_item;
apic.Serialise(writer, serializer);
}
}
/// <summary>
/// Implementing effects as derived classes means safe deserialisation is quite clunky
/// </summary>
/// <param name="deTok">JToken of the APICALL details</param>
/// <param name="apiObj">APICALL being deserialised</param>
/// <returns>success</returns>
private static bool DeserialiseEffects(JToken deTok, APICALL apiObj)
{
try
{
JObject?deJObj = deTok.ToObject <JObject>();
if (deJObj is null)
{
return(false);
}
apiObj.APIDetails = deTok.ToObject <APIDetailsWin.API_ENTRY>();
if (apiObj.APIDetails is not null &&
deJObj.TryGetValue("Effects", out JToken? effTok) &&
apiObj.APIDetails.Value.Effects is not null &&
effTok.Type is JTokenType.Array)
{
JArray?effArray = effTok.ToObject <JArray>();
for (int effecti = 0; effecti < effArray?.Count; effecti++)
{
JToken effItem = effArray[effecti];
JObject?effectObj = effItem.ToObject <JObject>();
if (effectObj is null)
{
return(false);
}
if (effectObj.TryGetValue("TypeName", out JToken? nameTok) && nameTok is not null)
{
switch (nameTok.ToString())
{
case "Link":
{
JToken?entityIdx = effectObj["EntityIndex"];
JToken?refIdx = effectObj["ReferenceIndex"];
if (entityIdx is null || refIdx is null)
{
return(false);
}
int entityIndex = entityIdx.ToObject <int>();
int referenceIndex = refIdx.ToObject <int>();
APIDetailsWin.LinkReferenceEffect linkEff = new APIDetailsWin.LinkReferenceEffect(entityIndex, referenceIndex);
apiObj.APIDetails.Value.Effects[effecti] = linkEff;
break;
}
case "Use":
{
JToken?refIdx = effectObj["ReferenceIndex"];
if (refIdx is null)
{
return(false);
}
apiObj.APIDetails.Value.Effects[effecti] = new APIDetailsWin.UseReferenceEffect(refIdx.ToObject <int>());
break;
}
case "Destroy":
{
JToken?refIdx = effectObj["ReferenceIndex"];
if (refIdx is null)
{
return(false);
}
apiObj.APIDetails.Value.Effects[effecti] = new APIDetailsWin.DestroyReferenceEffect(refIdx.ToObject <int>());
break;
}
}
}
}
}
return(true);
}
catch (Exception e)
{
Logging.RecordException($"Failed to load API call details: {e.Message}", e);
return(false);
}
}