/// <summary>
/// 发包
/// </summary>
/// <param name="conn_idx"></param>
/// <param name="packet"></param>
public void Send(long conn_idx, PacketBase packet)
{
if (m_sockets.Contains(conn_idx))
{
//包索引
uint packet_idx = 0;
if (packet is PackBaseC2S)
{
packet_idx = PacketEncrypt.GetPacketIndex();
(packet as PackBaseC2S).packet_idx = PacketEncrypt.EncrpytPacketIndex(packet_idx, GlobalID.ENCRYPT_KEY);
}
m_send_by.Clear();
m_send_by.WriteUShort(0);//先写入长度占位
packet.Write(m_send_by);
int data_len = m_send_by.Available - NetID.PacketHeadSize;
m_send_by.ModifyUShort((ushort)data_len, 0);
//数据有效性
if (packet is PackBaseC2S)
{
//包长2 + 协议头2 + 包索引id4 + 有效性校验2 = 10
ushort data_verify = PacketEncrypt.CalcPacketDataVerify(m_send_by.Buffer, 10, m_send_by.Available - 10, packet_idx, GlobalID.ENCRYPT_KEY);
m_send_by.ModifyUShort((ushort)data_verify, 8);
}
int size = NetConnectManager.Instance.Send(conn_idx, m_send_by);
m_send_msg_count++;
m_send_msg_size += size;
}
PacketPools.Recover(packet);
}
/// <summary>
/// 发包
/// </summary>
/// <param name="conn_idx"></param>
/// <param name="packet"></param>
public void Send(PacketBase packet)
{
if (m_cur_conn_idx > 0)
{
//包索引
uint packet_idx = 0;
if (packet is PackBaseC2S)
{
packet_idx = PacketEncrypt.GetPacketIndex();
(packet as PackBaseC2S).packet_idx = PacketEncrypt.EncrpytPacketIndex(packet_idx, GlobalID.ENCRYPT_KEY);
}
//数据写入stream
m_send_by.Clear();
m_send_by.WriteUShort(0); //先写入长度占位
packet.Write(m_send_by);
int data_len = m_send_by.Available - NetID.PacketHeadSize; //总长度
m_send_by.ModifyUShort((ushort)data_len, 0);
//数据有效性
if (packet is PackBaseC2S)
{
//包长2 + 协议头2 + 包索引id4 + 有效性校验2 = 10
ushort data_verify = PacketEncrypt.CalcPacketDataVerify(m_send_by.Buffer, 10, m_send_by.Available - 10, packet_idx, GlobalID.ENCRYPT_KEY);
m_send_by.ModifyUShort((ushort)data_verify, 8);
}
NetConnectManager.Instance.Send(m_cur_conn_idx, m_send_by);
}
PacketPools.Recover(packet);
}
/// <summary>
/// 网络事件处理
/// </summary>
public void OnNetworkClient(long conn_idx, ushort header, ByteArray data)
{
ClientSession session = ClientSessionManager.Instance.GetSession(conn_idx);
if (session != null)
{
///1.判断cd
if (!session.CheckCooldown(header))
{
//Log.Debug("协议cd不够:" + header);
return;
}
///2.消息解密
if (GlobalID.ENABLE_PACKET_ENCRYPT)
{
//id有效性校验
uint packet_idx = data.ReadUInt();
packet_idx = PacketEncrypt.DecrpytPacketIndex(packet_idx, PacketEncrypt.Encrypt_Key);
if (packet_idx < session.last_packet_idx)
{
Log.Warning("协议索引校验失败conn_idx:" + conn_idx + " header:" + header);
ClientSessionManager.Instance.KickoutSession(conn_idx);
return;
}
session.last_packet_idx = packet_idx;
//验证数据的有效性：防止被修改
ushort send_verify_data = data.ReadUShort();
ushort verify_data = PacketEncrypt.CalcPacketDataVerify(data.Buffer, 6, data.Available, packet_idx, PacketEncrypt.Encrypt_Key);
if (send_verify_data != verify_data)
{
Log.Warning("数据有效性校验失败conn_idx:" + conn_idx + " header:" + header);
ClientSessionManager.Instance.KickoutSession(conn_idx);
return;
}
}
///3.是否转发消息
if (header >= ProtocolID.MSG_BASE_C2SS && header < ProtocolID.MSG_BASE_C2SS + ProtocolID.MSG_APPLAYER_PER_INTERVAL)
{
HandleProxyMsgToSS(session, header, data);
}
else if (header >= ProtocolID.MSG_BASE_C2WS && header < ProtocolID.MSG_BASE_C2WS + ProtocolID.MSG_APPLAYER_PER_INTERVAL)
{
HandleProxyMsgToWS(session, header, data);
}
else if (header >= ProtocolID.MSG_BASE_C2FS && header < ProtocolID.MSG_BASE_C2FS + ProtocolID.MSG_APPLAYER_PER_INTERVAL)
{
HandleProxyMsgToFS(session, header, data);
}
else
{
PacketBase packet = PacketPools.Get(header);
packet.Read(data);
MsgProcFunction fun;
if (m_msg_proc.TryGetValue(packet.header, out fun))
{
try
{
fun(session, packet);
}
catch (Exception e)
{
Log.Exception(e);
}
}
else
{
Log.Warning("未注册消息处理函数id：" + header);
}
PacketPools.Recover(packet);
}
}
else
{
PacketBase packet = PacketPools.Get(header);
packet.Read(data);
switch (packet.header)
{
case c2gs.msg.ENCRYPT:
OnClientEncrypt(conn_idx, packet);
break;
default: //没有session，又不是握手协议，说明发错协议了，直接踢掉
ClientSessionManager.Instance.KickoutSession(conn_idx);
break;
}
PacketPools.Recover(packet);
}
}
