/// <summary> /// 收到队列消息 /// </summary> /// <param name="client"></param> /// <param name="result"></param> public abstract void Message(WebSocketClient client, QueueServerActionResult result);
/// <summary>
/// 解释一个操作结果
/// </summary>
/// <param name="data"></param>
/// <exception cref="Adf.QueueServerDecodeException"></exception>
/// <returns></returns>
public static QueueServerActionResult Decode(byte[] data)
{
byte action = 0;
var id = "";
var queue = "";
var result = "";
//
QueueServerActionResult ar = null;
//
try
{
int position = 0;
int length = 0;
//action
action = data[position];
position = 1;
//id
length = Adf.BaseDataConverter.ToUInt16(data, position);
position += 2;
id = System.Text.Encoding.ASCII.GetString(data, position, length);
position += length;
//queue
length = Adf.BaseDataConverter.ToUInt16(data, position);
position += 2;
queue = System.Text.Encoding.ASCII.GetString(data, position, length);
position += length;
//result
length = Adf.BaseDataConverter.ToUInt16(data, position);
position += 2;
result = System.Text.Encoding.ASCII.GetString(data, position, length);
position += length;
//
ar = new QueueServerActionResult(action
, id
, queue
, result);
//
if (result == QueueServerAction.OK)
{
if (action == QueueServerAction.PULL)
{
//body
length = Adf.BaseDataConverter.ToUInt16(data, position);
position += 2;
var body = new byte[length];
Array.Copy(data, position, body, 0, length);
position += length;
//duplications
var duplications = Adf.BaseDataConverter.ToUInt16(data, position);
position += 2;
//message id
var messageId = Adf.BaseDataConverter.ToUInt64(data, position);
//position += 8;
ar.SetBody(body, duplications, messageId);
}
else if (action == QueueServerAction.RPUSH)
{
//message id
var messageId = Adf.BaseDataConverter.ToUInt64(data, position);
//position += 8;
ar.SetMessageId(messageId);
}
else if (action == QueueServerAction.LPUSH)
{
//message id
var messageId = Adf.BaseDataConverter.ToUInt64(data, position);
//position += 8;
ar.SetMessageId(messageId);
}
else if (action == QueueServerAction.COUNT)
{
//count
var count = Adf.BaseDataConverter.ToInt32(data, position);
//position += 4;
ar.SetCount(count);
}
else if (action == QueueServerAction.CLEAR)
{
//count
var count = Adf.BaseDataConverter.ToInt32(data, position);
//position += 4;
ar.SetCount(count);
}
}
//
return(ar);
}
catch (Exception exception)
{
throw new QueueServerDecodeException("data length invalid.", exception);
}
}