public static bool TryReadInt32(this JsonFilter reader, out int value)
{
var possibleValue = reader.ReadAsInt32();
if (possibleValue.HasValue)
{
value = possibleValue.Value;
return(true);
}
value = 0;
return(false);
}
public void ReadJsonGraph(string path, string targetPath = null, bool loadTargetIfApplicable = true)
{
if (loadTargetIfApplicable && targetPath != null && File.Exists(targetPath))
{
if (Deserialize(targetPath))
{
return;
}
}
MutableDataflowGraph = new MutableDirectedGraph();
DataflowGraph = MutableDataflowGraph;
using (var stream = new ProgressStream(new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, 64 << 10), "JsonData"))
using (var textReader = new StreamReader(stream))
using (var textWriter = new StreamWriter(Path.ChangeExtension(targetPath, ".filter.json")))
using (var reader = new JsonFilter(path, new JsonTextReader(textReader), new JsonTextWriter(textWriter)))
{
AssertPostRead(reader, JsonToken.StartObject);
while (reader.Read() && reader.TokenType == JsonToken.PropertyName)
{
string propertyName = (string)reader.Value;
switch (propertyName)
{
case "graph":
ReadGraph(reader);
break;
case "execution":
ReadExecutions(reader);
break;
case "pips":
ReadPips(reader);
break;
default:
reader.Skip();
break;
}
}
}
AddEdges();
Compute();
if (targetPath != null)
{
Serialize(targetPath);
}
}
public void ReadExecutions(JsonFilter reader)
{
AssertPostRead(reader, JsonToken.StartArray);
while (reader.Read() && reader.TokenType == JsonToken.StartObject)
{
AssertPostRead(reader, JsonToken.PropertyName);
var id = reader.ReadAsInt32().Value;
var node = GetNodeForId(id);
ulong?startTime = null, endTime = null;
while (reader.Read() && reader.TokenType == JsonToken.PropertyName)
{
string propertyName = (string)reader.Value;
switch (propertyName)
{
case "startTime":
startTime = reader.ReadAsUInt64();
break;
case "endTime":
endTime = reader.ReadAsUInt64();
break;
default:
reader.Skip();
break;
}
}
Contract.Assert(startTime.HasValue);
Contract.Assert(endTime.HasValue);
Min(ref MinStartTime, startTime.Value);
Max(ref MaxEndTime, endTime.Value);
StartTimes[node] = startTime.Value;
Durations[node] = endTime.Value - startTime.Value;
AssertToken(reader, JsonToken.EndObject);
}
TotalDuration = MaxEndTime - MinStartTime;
AssertToken(reader, JsonToken.EndArray);
}
public void ReadPips(JsonFilter reader)
{
Dictionary <string, PipType> pipTypeLookup = new Dictionary <string, PipType>();
foreach (PipType pt in Enum.GetValues(typeof(PipType)))
{
pipTypeLookup[pt.ToString()] = pt;
}
AssertPostRead(reader, JsonToken.StartArray);
while (reader.Read() && reader.TokenType == JsonToken.StartObject)
{
AssertPostRead(reader, JsonToken.PropertyName);
var id = (uint)reader.ReadAsInt32();
while (reader.Read() && reader.TokenType == JsonToken.PropertyName)
{
string propertyName = (string)reader.Value;
switch (propertyName)
{
case "type":
PipTypes[id] = pipTypeLookup[reader.ReadAsString()];
break;
case "stableId":
SemiStableHashes[id] = ulong.Parse(reader.ReadAsString(), NumberStyles.HexNumber);
break;
default:
reader.Skip();
break;
}
}
AssertToken(reader, JsonToken.EndObject);
}
AssertToken(reader, JsonToken.EndArray);
}
public static ulong ReadAsUInt64(this JsonFilter reader)
{
Contract.Assert(reader.Read());
Contract.Assert(reader.TokenType == JsonToken.Integer);
return((ulong)(long)reader.Value);
}
public static int ValueAsInt(this JsonFilter reader)
{
return((int)(long)reader.Value);
}
public void AssertPostRead(JsonFilter reader, JsonToken expectedTokenType)
{
reader.Read();
Contract.Assert(reader.TokenType == expectedTokenType, "Unexpected token");
}
public void AssertToken(JsonFilter reader, JsonToken expectedTokenType)
{
Contract.Assert(reader.TokenType == expectedTokenType, "Unexpected token");
}
public void ReadGraph(JsonFilter reader)
{
Dictionary <string, PipType> pipTypeLookup = new Dictionary <string, PipType>();
foreach (PipType pt in Enum.GetValues(typeof(PipType)))
{
pipTypeLookup[pt.ToString()] = pt;
}
AssertPostRead(reader, JsonToken.StartArray);
while (reader.Read() && reader.TokenType == JsonToken.StartObject)
{
AssertPostRead(reader, JsonToken.PropertyName);
var id = (int)reader.ReadAsInt32();
NodeId node = GetNodeForId(id);
while (reader.Read() && reader.TokenType == JsonToken.PropertyName)
{
int value = 0;
string propertyName = (string)reader.Value;
switch (propertyName)
{
case "type":
PipTypes[node] = pipTypeLookup[reader.ReadAsString()];
break;
case "stableId":
SemiStableHashes[node] = ulong.Parse(reader.ReadAsString(), NumberStyles.HexNumber);
break;
case "dependsOn":
AssertPostRead(reader, JsonToken.StartArray);
while (reader.TryReadInt32(out value))
{
MutableDataflowGraph.AddEdge(GetNodeForId(value), node);
}
AssertToken(reader, JsonToken.EndArray);
break;
case "consumes":
AssertPostRead(reader, JsonToken.StartArray);
while (reader.TryReadInt32(out value))
{
var list = GetOrAddDependenciesList(node);
list.Add(value);
}
AssertToken(reader, JsonToken.EndArray);
break;
case "produces":
AssertPostRead(reader, JsonToken.StartArray);
while (reader.TryReadInt32(out value))
{
m_pipProducers[value] = node;
}
AssertToken(reader, JsonToken.EndArray);
break;
case "provenance":
AssertPostRead(reader, JsonToken.StartObject);
while (reader.Read() && reader.TokenType == JsonToken.PropertyName)
{
if (reader.Value.Equals("value"))
{
var outputValue = FullSymbol.Create(SymbolTable, reader.ReadAsString());
OutputValues[node] = outputValue;
continue;
}
reader.Skip();
}
AssertToken(reader, JsonToken.EndObject);
break;
default:
reader.Skip();
break;
}
}
AssertToken(reader, JsonToken.EndObject);
}
AssertToken(reader, JsonToken.EndArray);
}