public String Read(ChannelBuffer buf, byte separator)
{
int count = buf.BytesBefore(separator);
if (count < 0)
{
return(null);
}
byte[] data = new byte[count];
buf.ReadBytes(data);
buf.ReadByte(); // get rid of separator
return(Encoding.UTF8.GetString(data));
}
public String ReadRaw(ChannelBuffer buf, byte separator)
{
int count = buf.BytesBefore(separator);
if (count < 0)
{
return(null);
}
byte[] data = new byte[count];
buf.ReadBytes(data);
buf.ReadByte(); // get rid of separator
int length = data.Length;
for (int i = 0; i < length; i++)
{
if (data[i] == '\\')
{
if (i + 1 < length)
{
byte b = data[i + 1];
if (b == 't')
{
data[i] = (byte)'\t';
}
else if (b == 'r')
{
data[i] = (byte)'\r';
}
else if (b == 'n')
{
data[i] = (byte)'\n';
}
else
{
data[i] = b;
}
Array.Copy(data, i + 2, data, i + 1, length - i - 2);
length--;
}
}
}
return(Encoding.UTF8.GetString(data, 0, length));
}
protected internal IMessage DecodeLine(ChannelBuffer buf, ITransaction parent,
Stack <ITransaction> stack, IMessageTree tree)
{
BufferHelper helper = _mBufferHelper;
char identifier = (char)buf.ReadByte();
String timestamp = helper.Read(buf, TAB);
String type = helper.Read(buf, TAB);
String name = helper.Read(buf, TAB);
switch (identifier)
{
case 't':
IMessage transaction = new DefaultTransaction(type, name, null);
helper.Read(buf, LF); // get rid of line feed
transaction.Timestamp = _mDateHelper.Parse(timestamp);
if (parent != null)
{
parent.AddChild(transaction);
}
stack.Push(parent);
return(transaction);
case 'A':
DefaultTransaction tran = new DefaultTransaction(type, name, null);
String status = helper.Read(buf, TAB);
String duration = helper.Read(buf, TAB);
String data = helper.ReadRaw(buf, TAB);
helper.Read(buf, LF); // get rid of line feed
tran.Timestamp = _mDateHelper.Parse(timestamp);
tran.Status = status;
tran.AddData(data);
long d = Int64.Parse(duration.Substring(0, duration.Length - 2), NumberStyles.Integer);
tran.DurationInMicros = d;
if (parent != null)
{
parent.AddChild(tran);
return(parent);
}
return(tran);
case 'T':
String transactionStatus = helper.Read(buf, TAB);
String transactionDuration = helper.Read(buf, TAB);
String transactionData = helper.ReadRaw(buf, TAB);
helper.Read(buf, LF); // get rid of line feed
parent.Status = transactionStatus;
parent.AddData(transactionData);
long transactionD = Int64.Parse(transactionDuration.Substring(0, transactionDuration.Length - 2), NumberStyles.Integer);
parent.DurationInMicros = transactionD;
return(stack.Pop());
case 'E':
DefaultEvent evt = new DefaultEvent(type, name);
String eventStatus = helper.Read(buf, TAB);
String eventData = helper.ReadRaw(buf, TAB);
helper.Read(buf, LF); // get rid of line feed
evt.Timestamp = _mDateHelper.Parse(timestamp);
evt.Status = eventStatus;
evt.AddData(eventData);
if (parent != null)
{
parent.AddChild(evt);
return(parent);
}
return(evt);
case 'M':
DefaultMetric metric = new DefaultMetric(type, name);
String metricStatus = helper.Read(buf, TAB);
String metricData = helper.ReadRaw(buf, TAB);
helper.Read(buf, LF);
metric.Timestamp = _mDateHelper.Parse(timestamp);
metric.Status = metricStatus;
metric.AddData(metricData);
if (parent != null)
{
parent.AddChild(metric);
return(parent);
}
return(metric);
case 'H':
DefaultHeartbeat heartbeat = new DefaultHeartbeat(type, name);
String heartbeatStatus = helper.Read(buf, TAB);
String heartbeatData = helper.ReadRaw(buf, TAB);
helper.Read(buf, LF); // get rid of line feed
heartbeat.Timestamp = _mDateHelper.Parse(timestamp);
heartbeat.Status = heartbeatStatus;
heartbeat.AddData(heartbeatData);
if (parent != null)
{
parent.AddChild(heartbeat);
return(parent);
}
return(heartbeat);
}
LoggerManager.Error("Unknown identifier(" + identifier + ") of message: " + buf);
//throw new Exception("Unknown identifier int name"); //java版的抛出异常
// unknown message, ignore it
return(parent);
}