public async Task Send(ClientOutputBuffer buff)
{
//这里可以写一个发包统计
if (buff != null)
{
}
else
{
Log.Error("PlayerContextBase::SendPackageImpl error buff ==null");
}
var flag = await m_client.Send(buff);
if (flag == false)
{
throw new Exception("发送消息失败");
}
}
/// <summary>
/// 将一个package消息打包到ClientOutputBuffer中
/// </summary>
/// <param name="packageObj"></param>
/// <returns></returns>
public ClientOutputBuffer PackProtobufObject(object packageObj)
{
// 包检查
System.Diagnostics.Debug.Assert(packageObj != null, "PackProtobufObject error: packageObj is null");
// 获取一个固定长度的buff，作为存储包数据的缓冲
var bufferLen = Instance.m_globalConfigure.Global.Network.OutputBufferLen;
var buffer = ClientOutputBuffer.LockSendBuffer(bufferLen);
if (PackProtobufObjectInternal(packageObj, buffer))
{
return(buffer);
}
Log.Error($"PackProtobufObject packageObj is too large for ClientOutputBuffer! package={packageObj.ToString()}");
ClientOutputBuffer.UnlockSendBuffer(buffer);
return(null); // 组包失败，原因是package包长度太大，不能用一个ClientOutputBuffer打包
}
/// <summary>
/// 打包并压缩单个包
/// </summary>
/// <param name="packageObj"></param>
/// <param name="buffer"></param>
/// <param name="bufferOffest"></param>
/// <returns></returns>
public bool PackProtobufObjectInternal(object packageObj, ClientOutputBuffer buffer, int bufferOffest = 0)
{
System.Diagnostics.Debug.Assert(packageObj != null, "PackProtobufObjectInternal error: packageObj is null");
System.Diagnostics.Debug.Assert(buffer != null, "PackProtobufObjectInternal error: buffer is null");
// 包头的长度
const int headLen = sizeof(ushort) * 2;
// 整个包的长度
ushort pkgLen;
var dataOffset = bufferOffest;
try
{
// 先将协议的内容写入到缓冲里
dataOffset += headLen;
//int objDataStartIndex = dataOffset; // 记录在当前ms中有效数据起始index
using (var stream = new MemoryStream(buffer.m_buffer,
dataOffset,
buffer.m_buffer.Length - dataOffset,
true, true))
{
// 先序列化协议包
m_messagePraser.SerializeTo(packageObj, stream);
// 包长度 = 协议内容长度 + 包头长度
pkgLen = (ushort)(stream.Position + headLen);
dataOffset += (int)stream.Position;
}
}
catch (ArgumentOutOfRangeException)
{
return(false);
}
catch (ArgumentException)
{
return(false);
}
catch (NotSupportedException)
{
return(false);
}
// 再将包头的内容写入到缓冲里，包头内容包括是否是RPC消息、包长度和协议id，包长度在这里才能计算出来
using (var headerStream = new MemoryStream(buffer.m_buffer, bufferOffest, headLen))
{
using (var writer = new BinaryWriter(headerStream))
{
// 获取协议id
ushort protocolId = (ushort)(OpcodeTypeDic.GetIdByType(packageObj.GetType()));
//协议最高位为是否是Response
ushort finalyProtocolId = (ushort)((packageObj is IResponse) ? (protocolId | 0x8000):(protocolId & 0x7FFF));
writer.Write(pkgLen);
writer.Write(finalyProtocolId);
// buff最后长度
buffer.m_dataLen = dataOffset;
}
}
//MessageFactory.Recycle(packageObj as IMessage);
return(true);
}
