/// <summary>
/// 接收数据处理，根据信息解析协议，根据协议内容处理消息再下发到客户端
/// </summary>
/// <param name="clientSocket"></param>
void OnReceiveData(ClientSocket clientSocket)
{
ByteArray readbuff = clientSocket.ReadBuff;
byte[] bytes = readbuff.Bytes;
int bodyLength = BitConverter.ToInt32(bytes, readbuff.ReadIdx);
//判断接收到的信息长度是否小于包体长度+包体头长度，如果小于，代表我们的信息不全，大于代表信息全了（有可能有粘包存在）
if (readbuff.Length < bodyLength + 4)
{
return;
}
//解析协议名
ProtocolEnum proto = MsgBase.DecodeName(readbuff.Bytes);
if (proto == ProtocolEnum.None)
{
Debug.LogError("OnReceiveData MsgBase.DecodeName fail");
CloseClient(clientSocket);
return;
}
readbuff.ReadIdx += 4;
//解析协议体
int bodyCount = bodyLength - readbuff.Bytes[4] - 2;
MsgBase msgBase = MsgBase.Decode(proto, readbuff.Bytes, bodyCount);
if (msgBase == null)
{
Debug.LogError("{0}协议内容解析错误：" + proto.ToString());
CloseClient(clientSocket);
return;
}
//通过反射分发消息
MethodInfo mi = typeof(MsgHandler).GetMethod(proto.ToString());
object[] o = { clientSocket, msgBase };
if (mi != null)
{
mi.Invoke(null, o);
}
else
{
Debug.LogError("OnReceiveData Invoke fail:" + proto.ToString());
}
readbuff.ReadIdx += bodyLength;
readbuff.CheckAndMoveBytes();
//继续读取消息 处理黏包
if (readbuff.Length > 4)
{
OnReceiveData(clientSocket);
}
}
/// <summary>
/// 协议解密，以及反序列化
/// </summary>
/// <param name="protocol"></param>
/// <param name="bytes"></param>
/// <param name="offset"></param>
/// <param name="count"></param>
/// <returns></returns>
public static MessageBase Decode(ProtocolEnum protocol, byte[] bytes, int offset, int count)
{
if (count <= 0)
{
Debug.LogError("协议解密出错，数据长度为0");
return(null);
}
string secret = string.IsNullOrEmpty(NetManager.Instance.Secretkey) ? NetManager.Instance.PublicKey :
NetManager.Instance.Secretkey;
try
{
byte[] newBytes = new byte[count];
Array.Copy(bytes, offset, newBytes, 0, count);
//// 解密
newBytes = AES.AESDecrypt(newBytes, secret);
using (var memory = new MemoryStream(newBytes, 0, newBytes.Length))
{
// 这里要求对应的协议类型类，要与协议枚举的名字一一对应
Type t = System.Type.GetType(protocol.ToString());
return((MessageBase)Serializer.NonGeneric.Deserialize(t, memory));
}
}
catch (Exception ex)
{
Debug.LogError("协议解密出错 ：" + ex);
return(null);
}
}
/// <summary>
/// 协议解密，以及反序列化
/// </summary>
/// <param name="protocol"></param>
/// <param name="bytes"></param>
/// <param name="offset"></param>
/// <param name="count"></param>
/// <returns></returns>
public static MessageBase Decode(ProtocolEnum protocol, byte[] bytes, int offset, int count)
{
if (count <= 0)
{
Debug.LogError("协议解密出错，数据长度为0");
return(null);
}
try
{
byte[] newBytes = new byte[count];
Array.Copy(bytes, offset, newBytes, 0, count);
string secret = ServerSocket.SecretKey;
// 请求加密使用的是公钥加密
if (protocol == ProtocolEnum.MessageSecret)
{
secret = ServerSocket.PublicKey;
}
// 解密
newBytes = AES.AESDecrypt(newBytes, secret);
using (var memory = new MemoryStream(newBytes, 0, newBytes.Length))
{
// 这里要求对应的协议类型类，要与协议枚举的名字一一对应（这里的类最好不要有命名空间包裹，若有，可能识别不到）
Type t = System.Type.GetType(protocol.ToString());
return((MessageBase)Serializer.NonGeneric.Deserialize(t, memory));
}
}
catch (Exception ex)
{
Debug.LogError("协议解密出错 ：" + ex);
return(null);
}
}
public static MsgBase Decode(ProtocolEnum protocol, byte[] bytes, int offset, int count)
{
if (count <= 0)
{
Debug.LogError("协议解密出错，数据长度为0");
return(null);
}
try
{
byte[] newBytes = new byte[count];
Array.Copy(bytes, offset, newBytes, 0, count);
string secret = ServerSocket.Secretkey;
if (protocol == ProtocolEnum.MsgSecret)
{
secret = ServerSocket.PublicKey;
}
newBytes = AES.AESDecrypt(newBytes, secret);
using (var memory = new MemoryStream(newBytes, 0, newBytes.Length))
{
Type t = System.Type.GetType(protocol.ToString());
return((MsgBase)Serializer.NonGeneric.Deserialize(t, memory));
}
}
catch (Exception ex)
{
Debug.LogError("协议解密出错:" + ex);
return(null);
}
}
/// <summary>
/// 接收信息，并解析
/// </summary>
/// <param name="cleint"></param>
void OnReceiveData(ClientSocket clintSocket)
{
ByteArray readBuff = clintSocket.ReadBuff;
// 基本消息长度判断（一个协议头为 4）
if (readBuff.Length <= 4 || readBuff.ReadIndex < 0)
{
Debug.Log("数据小于 4");
return;
}
int readIndex = readBuff.ReadIndex;
byte[] bytes = readBuff.Bytes;
//解析协议头，获得中的长度
int bodyLength = BitConverter.ToInt32(bytes, readIndex);
// （分包处理）判断接收消息长度是否小于包体长度+包头长度，如果小于，代表接收到的消息不全(返回，不做处理，等下一次全了在处理)，大于则代表消息全了（也有可能有粘包存在）
if (readBuff.Length < bodyLength + 4)
{
Debug.Log("数据不完整");
return;
}
// 移动到消息体位置
readBuff.ReadIndex += 4;
// 解析协议名称
int nameCount = 0;
ProtocolEnum protocol = ProtocolEnum.None;
try
{
protocol = MessageBase.DecodeName(readBuff.Bytes, readBuff.ReadIndex, out nameCount);
}
catch (Exception ex)
{
Debug.LogError("解析协议名称 Error :" + ex);
CloseClient(clintSocket);
return;
}
// 协议名称为空
if (protocol == ProtocolEnum.None)
{
Debug.LogError("OnReceiveData MessageBase.DecodeName() Fail :");
CloseClient(clintSocket);
return;
}
// 解析协议内容
readBuff.ReadIndex += nameCount;
int bodyCount = bodyLength - nameCount;
MessageBase messageBase = null;
try
{
messageBase = MessageBase.Decode(protocol, readBuff.Bytes, readBuff.ReadIndex, bodyCount);
if (messageBase == null)
{
Debug.LogError("{0} 解析协议内容 Error ", protocol.ToString());
CloseClient(clintSocket);
return;
}
}
catch (Exception ex)
{
Debug.LogError("解析协议内容 Error :" + ex);
CloseClient(clintSocket);
return;
}
// 移动读取位置，并且继续判断移动数据
readBuff.ReadIndex += bodyCount;
readBuff.CheckAndMoveBytes();
//通过反射，分发消息（解析完数据，对应的处理）
MethodInfo methodInfo = typeof(MessageHandler).GetMethod(protocol.ToString());
object[] o = { clintSocket, messageBase };
if (methodInfo != null)
{
methodInfo.Invoke(null, o);
}
else
{
Debug.LogError("OnReceiveData Invok Fail:" + protocol.ToString());
}
// 继续读取消息（粘包现象处理）
if (readBuff.Length > 4)
{
OnReceiveData(clintSocket);
}
}
