public bool Parse()
{
if (isOk)
{
return(true);
}
if (packet == null)
{
packet = PacketPool.Fetch();
}
bool finish = false;
int items = packet.items;
int size = packet.size;
if (size > 0)
{
if (buffer.Length < size + 2) //判断剩余数据是否足够
{
finish = true;
}
else
{
if (items == 0) //单条回复
{
var offset = (int)packet.memoryStream.Length;
buffer.Read(packet.memoryStream, size + 2);
packet.Results = new List <ArraySegment <byte> >(1);
packet.Results.Add(new ArraySegment <byte>(packet.memoryStream.GetBuffer(), offset, size + 2));
finish = true;
isOk = true;
}
else
{
var offset = (int)packet.memoryStream.Length;
buffer.Read(packet.memoryStream, size + 2);
packet.Results.Add(new ArraySegment <byte>(packet.memoryStream.GetBuffer(), offset, size + 2));
if (items == packet.Results.Count)
{
finish = true;
isOk = true;
}
}
size = packet.size = 0;
}
}
int readCount = 0;
while (!finish)
{
if (buffer.ReadLine(packet.memoryStream, out readCount))
{
var bytes = packet.memoryStream.GetBuffer();
int offset = (int)(packet.memoryStream.Length - readCount);
var replyType = bytes[packet.memoryStream.Length - readCount];
switch (replyType)
{
case (byte)'+': //状态回复
case (byte)'-': //错误回复
case (byte)':': //整数回复
{
if (items == 0) //单条回复
{
packet.Result = Encoding.UTF8.GetString(bytes, offset + 1, readCount - 3);
finish = true;
isOk = true;
}
else //多条回复
{
packet.Results.Add(new ArraySegment <byte>(packet.memoryStream.GetBuffer(), offset + 1, readCount - 1));
if (items == packet.Results.Count)
{
finish = true;
isOk = true;
}
}
}
break;
case (byte)'$': //批量回复
{
size = int.Parse(Encoding.UTF8.GetString(bytes, offset + 1, readCount - 3));
if (size == -1) //批量回复值不存在
{
packet.Results = new List <ArraySegment <byte> >(1);
packet.Results.Add(new ArraySegment <byte>(packet.memoryStream.GetBuffer(), 0, 0));
finish = true;
isOk = true;
}
else
{
if (buffer.Length < size + 2) //判断剩余数据是否足够
{
finish = true;
packet.size = size;
}
else
{
if (items == 0) //单条回复
{
offset = (int)packet.memoryStream.Length;
buffer.Read(packet.memoryStream, size + 2);
packet.Results = new List <ArraySegment <byte> >(1);
packet.Results.Add(new ArraySegment <byte>(packet.memoryStream.GetBuffer(), offset, size + 2));
finish = true;
isOk = true;
}
else
{
offset = (int)packet.memoryStream.Length;
buffer.Read(packet.memoryStream, size + 2);
packet.Results.Add(new ArraySegment <byte>(packet.memoryStream.GetBuffer(), offset, size + 2));
if (items == packet.Results.Count)
{
finish = true;
isOk = true;
}
}
}
}
}
break;
case (byte)'*': //多条批量回复
{
items = int.Parse(Encoding.UTF8.GetString(bytes, offset + 1, readCount - 3));
if (items <= 0) //没有回复
{
packet.Results = new List <ArraySegment <byte> >(1);
packet.Results.Add(new ArraySegment <byte>(packet.memoryStream.GetBuffer(), 0, 0));
finish = true;
isOk = true;
}
else
{
packet.items = items;
packet.Results = new List <ArraySegment <byte> >(items);
}
}
break;
default:
{
throw new Exception("Packet error");
}
}
}
else
{
finish = true;
}
}
return(isOk);
}
public void Dispose()
{
PacketPool.Recycle(this);
}
