LogItemSchema CreateSchemaItem(MessageSubscription sub, MessageFormat fmt)
{
LogItemSchema element = new LogItemSchema()
{
Name = fmt.name, Parent = schema, Id = sub.id
};
foreach (var f in fmt.fields)
{
LogItemSchema column = new LogItemSchema()
{
Name = f.name, Parent = element, Type = f.typeName + (f.arraySize > 0 ? "[" + f.arraySize + "]" : ""), Id = sub.id
};
if (f.type == FieldType.Struct)
{
// nested
var child = CreateSchemaItem(sub, f.structType);
column.ChildItems = child.ChildItems;
}
else if (f.arraySize > 0)
{
List <LogItemSchema> arrayItems = new List <LogItemSchema>();
// break out the elements of the array as separate items.
for (int i = 0; i < f.arraySize; i++)
{
arrayItems.Add(new LogItemSchema()
{
Name = i.ToString(), Parent = column, Type = f.typeName, Id = sub.id
});
}
column.ChildItems = arrayItems;
}
if (element.ChildItems == null)
{
element.ChildItems = new List <Model.LogItemSchema>();
}
element.ChildItems.Add(column);
}
return(element);
}
public IEnumerable <LogEntry> GetRows(string typeName, DateTime startTime, TimeSpan duration)
{
if (typeName == "GPS")
{
// convert the ulog "vehicleglobal_position" to a GPS entry.
MessageFormat format = null;
if (formats.TryGetValue("vehicle_global_position", out format))
{
foreach (var m in msgs)
{
if (m is MessageData)
{
MessageData data = (MessageData)m;
if (data.format == format)
{
yield return(new vehicleglobal_position(data));
}
}
}
}
}
}
LogItemSchema CreateSchemaItem(MessageSubscription sub, MessageFormat fmt)
{
LogItemSchema element = new LogItemSchema()
{
Name = fmt.name, Id = sub.id
};
foreach (var f in fmt.fields)
{
LogItemSchema column = new LogItemSchema()
{
Name = f.name, Type = f.typeName + (f.arraySize > 0 ? "[" + f.arraySize + "]" : ""), Id = sub.id
};
if (f.type == FieldType.Struct)
{
// nested
var child = CreateSchemaItem(sub, f.structType);
foreach (var item in child.CopyChildren())
{
column.AddChild(item);
}
}
else if (f.arraySize > 0)
{
column.IsArray = true;
// break out the elements of the array as separate items.
for (int i = 0; i < f.arraySize; i++)
{
column.AddChild(new LogItemSchema()
{
Name = i.ToString(), Type = f.typeName, Id = sub.id
});
}
}
element.AddChild(column);
}
return(element);
}
public MessageSubscription(int id, MessageFormat fmt, int multiId)
{
this.id = id;
this.format = fmt;
this.multiId = multiId;
}
private object ReadField(BinaryReader reader, MessageField field)
{
object o = null;
switch (field.type)
{
case FieldType.Float:
o = reader.ReadSingle();
break;
case FieldType.Double:
o = reader.ReadDouble();
break;
case FieldType.Int8:
o = reader.ReadSByte();
break;
case FieldType.Bool:
o = (reader.ReadByte() == 0) ? false : true;
break;
case FieldType.UInt8:
o = reader.ReadByte();
break;
case FieldType.Int16:
o = reader.ReadInt16();
break;
case FieldType.UInt16:
o = reader.ReadUInt16();
break;
case FieldType.Int32:
o = reader.ReadInt32();
break;
case FieldType.UInt32:
o = reader.ReadUInt32();
break;
case FieldType.Int64:
o = reader.ReadInt64();
break;
case FieldType.UInt64:
o = reader.ReadUInt64();
break;
case FieldType.Char:
o = (char)reader.ReadByte();
break;
case FieldType.Struct:
{
MessageFormat f = field.structType;
if (f == null)
{
throw new Exception(string.Format("Unexpected FieldType.Struct in field {0}", field.name));
}
MessageData s = new MessageData(this.msgId, null, this.subscription);
s.format = f;
s.ReadValues(reader);
o = s;
}
break;
}
return(o);
}
internal MessageData GetNestedData(string fieldName)
{
if (values == null)
{
ParseValues();
}
foreach (var field in format.fields)
{
if (field.name == fieldName)
{
object value = values[fieldName];
if (field.arraySize > 0)
{
if (nestedFormats == null)
{
nestedFormats = new Dictionary <string, MessageFormat>();
}
MessageFormat format = null;
if (!nestedFormats.TryGetValue(fieldName, out format))
{
List <MessageField> fields = new List <MessageField>();
object tv;
// we need to copy the timestamp down so the data renders with time sync.
if (this.values.TryGetValue("timestamp", out tv))
{
fields.Add(new MessageField("double timestamp"));
}
for (int i = 0; i < field.arraySize; i++)
{
var name = i.ToString();
fields.Add(new MessageField(MessageField.GetFieldTypeName(field.type) + " " + name));
}
format = new MessageFormat(fieldName, fields);
nestedFormats[fieldName] = format;
}
MessageData array = new MessageData(this.msgId, null, this.subscription);
array.format = format;
var values = new Dictionary <string, object>();
object ts = null;
int offset = 0;
// we need to copy the timestamp down so the data renders with time sync.
if (this.values.TryGetValue("timestamp", out ts))
{
values["timestamp"] = ts;
offset++;
}
Array data = (Array)value;
for (int i = 0; i < field.arraySize; i++)
{
string name = format.fields[i + offset].name;
values[name] = data.GetValue(i);
}
array.values = values;
return(array);
}
else if (value is MessageData)
{
return((MessageData)value);
}
else
{
throw new Exception(string.Format("Field {0} is not a struct", fieldName));
}
}
}
return(null);
}
