public static void Recv(byte[] data, int offset, int size, List <Packet> packets)
{
//消息格式
//2字节消息类型，2字节消息长度，N字节消息数据
while (size > CmdMsgLength)
{
//MsgLength个字节消息长度,CmdLength个字节消息类型长度,N字节消息数据长度
ByteReadMemory memory = new ByteReadMemory(data, offset, size);
//1.读取消息类型
ushort cmd = memory.ReadUShort();
size -= CmdLength;
//2.读取消息长度
ushort length = memory.ReadUShort();
size -= MsgLength;
if (length > size)
{
throw new ArgumentException($"PacketProcessing Recv error: {length} > {size}");
}
//3.读取消息数据
ByteBuffer buffer = ByteBuffer.Allocate(length);
memory.Read(buffer, length);
size -= length;
packets.Add(new Packet(cmd, buffer, 0));
}
}
public bool RecvReliablePackets(ServerChannel channel, List <Packet> packets, IChannelListener listener, ServerHeartbeatProcessing heartbeat)
{
while (true)
{
int size = channel.Recv(m_RecvBuffer, 0, m_RecvBuffer.Length);
if (size <= 0)
{
break;
}
if (size == 8)
{
ByteReadMemory memory = new ByteReadMemory(m_RecvBuffer, 0, size);
uint flag = memory.ReadUInt();
uint conv = memory.ReadUInt();
if (conv == channel.Conv)
{
if (flag == KcpConstants.Flag_Connect)
{
channel.SetConnectedStatus(true);
if (listener != null)
{
listener.OnAddChannel(channel);
}
continue;
}
if (flag == KcpConstants.Flag_Disconnect)
{
channel.SetConnectedStatus(false);
if (listener != null)
{
listener.OnRemoveChannel(channel);
}
continue;
}
if (flag == KcpConstants.Flag_Heartbeat)
{
heartbeat.UpdateHeartbeat(channel, m_RecvBuffer, 0, size);
continue;
}
}
}
PacketProcessing.Recv(m_RecvBuffer, 0, size, packets);
}
return(packets.Count > 0);
}
public void RecvReliablePackets(ClientTransport transport, KcpCon kcp, List <Packet> packets, ClientHeartbeatProcessing heartbeat)
{
while (true)
{
int size = kcp.Recv(m_Buffer, 0, m_Buffer.Length);
if (size <= 0)
{
break;
}
if (size == 8)
{
ByteReadMemory memory = new ByteReadMemory(m_Buffer, 0, 8);
uint flag = memory.ReadUInt();
uint conv = memory.ReadUInt();
if (conv == kcp.Conv)
{
if (flag == KcpConstants.Flag_Heartbeat)
{
heartbeat.RecvHeartbeat();
continue;
}
if (flag == KcpConstants.Flag_Disconnect)
{
transport.Disconnect(false, true);
continue;
}
}
}
PacketProcessing.Recv(m_Buffer, 0, size, packets);
}
}