/// <summary>
/// 注册消息回调事件
/// </summary>
public static void Register(MessageType type, CallBack_client method)
{
if (!_callBacks.ContainsKey(type))
{
_callBacks.Add(type, method);
}
else
{
Debug.LogWarning("注册了相同的回调事件");
}
}
private static IEnumerator _Receive()
{
//持续接受消息
while (_curState == ClientState.Connected)
{
//解析数据包过程(服务器与客户端需要严格按照一定的协议制定数据包)
byte[] data = new byte[4];
int length; //消息长度
MessageType type; //类型
int receive = 0; //接收长度
//异步读取
IAsyncResult async = _stream.BeginRead(data, 0, data.Length, null, null);
while (!async.IsCompleted)
{
yield return(null);
}
//异常处理
try
{
receive = _stream.EndRead(async);
}
catch (Exception ex)
{
_curState = ClientState.None;
Info.Instance.Print("消息包头接收失败:" + ex.Message, true);
yield break;
}
if (receive < data.Length)
{
_curState = ClientState.None;
Info.Instance.Print("消息包头接收失败", true);
yield break;
}
using (MemoryStream stream = new MemoryStream(data))
{
BinaryReader binary = new BinaryReader(stream, Encoding.UTF8); //UTF-8格式解析
try
{
length = binary.ReadUInt16();
type = (MessageType)binary.ReadUInt16();
}
catch (Exception)
{
_curState = ClientState.None;
Info.Instance.Print("消息包头接收失败", true);
yield break;
}
}
//如果有包体
if (length - 4 > 0)
{
data = new byte[length - 4];
//异步读取
async = _stream.BeginRead(data, 0, data.Length, null, null);
while (!async.IsCompleted)
{
yield return(null);
}
//异常处理
try
{
receive = _stream.EndRead(async);
}
catch (Exception ex)
{
_curState = ClientState.None;
Info.Instance.Print("消息包头接收失败:" + ex.Message, true);
yield break;
}
if (receive < data.Length)
{
_curState = ClientState.None;
Info.Instance.Print("消息包头接收失败", true);
yield break;
}
}
//没有包体
else
{
data = new byte[0];
receive = 0;
}
if (_callBacks.ContainsKey(type))
{
//执行回调事件
CallBack_client method = _callBacks[type];
method(data);
}
else
{
Debug.Log("未注册该类型的回调事件");
}
}
}
